./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec2_product11.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 8e809cb7921b0f8738511433928ba20d09f78a0d0fe23412d97e6052fa9e13ec --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:13:19,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:13:19,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:13:19,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:13:19,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:13:19,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:13:19,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:13:19,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:13:19,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:13:19,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:13:19,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:13:19,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:13:19,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:13:19,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:13:19,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:13:19,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:13:19,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:13:19,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:13:19,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:13:19,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:13:19,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:13:19,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:13:19,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:13:19,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:13:19,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:13:19,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:13:19,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:13:19,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:13:19,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:13:19,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:13:19,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:13:19,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:13:19,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:13:19,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:13:19,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:13:19,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:13:19,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:13:19,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:13:19,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:13:19,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:13:19,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:13:19,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:13:19,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:13:19,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:13:19,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:13:19,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:13:19,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:13:19,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:13:19,840 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:13:19,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:13:19,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:13:19,841 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:13:19,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:13:19,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:13:19,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:13:19,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:13:19,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:13:19,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:13:19,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:13:19,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:13:19,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:13:19,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:13:19,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:13:19,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:13:19,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:13:19,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:13:19,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:13:19,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:13:19,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:13:19,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e809cb7921b0f8738511433928ba20d09f78a0d0fe23412d97e6052fa9e13ec [2021-12-15 17:13:20,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:13:20,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:13:20,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:13:20,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:13:20,078 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:13:20,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2021-12-15 17:13:20,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524e7197/a7cc687ca7ee4919bec460835bd08e1f/FLAG45ab6a401 [2021-12-15 17:13:20,541 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:13:20,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2021-12-15 17:13:20,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524e7197/a7cc687ca7ee4919bec460835bd08e1f/FLAG45ab6a401 [2021-12-15 17:13:20,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524e7197/a7cc687ca7ee4919bec460835bd08e1f [2021-12-15 17:13:20,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:13:20,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:13:20,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:20,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:13:20,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:13:20,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:20" (1/1) ... [2021-12-15 17:13:20,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd7d683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:20, skipping insertion in model container [2021-12-15 17:13:20,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:20" (1/1) ... [2021-12-15 17:13:20,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:13:20,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:13:21,117 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_product11.cil.c[1545,1558] [2021-12-15 17:13:21,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:21,426 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:13:21,441 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_product11.cil.c[1545,1558] [2021-12-15 17:13:21,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:21,562 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:13:21,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21 WrapperNode [2021-12-15 17:13:21,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:21,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:21,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:13:21,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:13:21,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,768 INFO L137 Inliner]: procedures = 93, calls = 338, calls flagged for inlining = 191, calls inlined = 282, statements flattened = 8634 [2021-12-15 17:13:21,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:21,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:13:21,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:13:21,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:13:21,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:13:21,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:13:21,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:13:21,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:13:21,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (1/1) ... [2021-12-15 17:13:21,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:13:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:13:21,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:13:21,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:13:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:13:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:13:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:13:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:13:22,137 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:13:22,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:13:24,959 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:13:24,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:13:24,980 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:13:24,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:24 BoogieIcfgContainer [2021-12-15 17:13:24,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:13:24,987 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:13:24,988 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:13:24,991 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:13:24,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:24,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:13:20" (1/3) ... [2021-12-15 17:13:24,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@464e4a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:24, skipping insertion in model container [2021-12-15 17:13:24,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:24,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:21" (2/3) ... [2021-12-15 17:13:24,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@464e4a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:24, skipping insertion in model container [2021-12-15 17:13:24,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:24,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:24" (3/3) ... [2021-12-15 17:13:24,997 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2021-12-15 17:13:25,030 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:13:25,031 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:13:25,031 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:13:25,031 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:13:25,031 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:13:25,031 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:13:25,031 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:13:25,031 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:13:25,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2479 states, 2478 states have (on average 1.8652138821630346) internal successors, (4622), 2478 states have internal predecessors, (4622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:25,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1223 [2021-12-15 17:13:25,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:25,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:25,198 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] [2021-12-15 17:13:25,199 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] [2021-12-15 17:13:25,199 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:13:25,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2479 states, 2478 states have (on average 1.8652138821630346) internal successors, (4622), 2478 states have internal predecessors, (4622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:25,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1223 [2021-12-15 17:13:25,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:25,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:25,258 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] [2021-12-15 17:13:25,259 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] [2021-12-15 17:13:25,263 INFO L791 eck$LassoCheckResult]: Stem: 646#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~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; 2393#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; 1781#L3410true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1672#L3403true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~29#1;havoc valid_product_~retValue_acc~29#1;valid_product_~retValue_acc~29#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~29#1; 826#L3418true 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; 633#L408true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 499#L377true 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; 1570#L2548true 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; 1086#L467true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1884#L492true 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; 1414#L3068true assume 0 == initPersonOnFloor_~floor#1; 91#L3069true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1349#L3176-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 683#L2860true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 2286#L2872-2true assume { :end_inline_callOnFloor } true; 1888#L3212true assume { :end_inline_initPersonOnFloor } true; 857#L177true 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~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 1294#L2797true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 1229#L2824true isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 531#L2429true stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 186#L1813true assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 1693#L1144true stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 2439#L1817true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 2236#L1830true timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 2058#L1966true assume !(0 != timeShift_~tmp___9~2#1); 1896#L2057true assume 1 == ~doorState~0;~doorState~0 := 0; 667#L2057-2true 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 22#L2797-3true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 142#L2824-3true isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 2279#L2429-1true stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 2224#L1696true assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 1571#L1144-1true stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 1357#L1709true timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 1415#L2065true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 192#L1753true assume !(1 == ~currentHeading~0); 1237#L1763true assume !(0 == ~currentFloorID~0); 1852#L1763-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1651#L1769-1true assume { :end_inline_continueInDirection } true; 442#L2074-2true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 1587#L1144-3true __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 549#L2593true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1688#L2594true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 66#L1153true __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 1304#L2598true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 755#L2653true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1116#L2089true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1990#L207-2true [2021-12-15 17:13:25,280 INFO L793 eck$LassoCheckResult]: Loop: 1990#L207-2true assume !false; 922#L208true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 285#L211true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 1996#L990true 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; 1089#L215true assume 1 != cleanup_~tmp___0~0#1; 2044#L215-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret47#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~14#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~14#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~13#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~13#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 979#L2797-25true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 2073#L2824-25true anyStopRequested_#t~ret42#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret42#1;havoc anyStopRequested_#t~ret42#1; 2345#L1252true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 1087#L1316true isIdle_#t~ret47#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~14#1 := isIdle_#t~ret47#1;havoc isIdle_#t~ret47#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~14#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 2107#L1329true 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; 1363#L227true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 272#L2797-30true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 299#L2824-30true isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 2266#L2429-3true stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 161#L1813-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 2219#L1144-4true stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 1755#L1817-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 2473#L1830-1true timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 2210#L1966-2true assume !(0 != timeShift_~tmp___9~2#1); 835#L2057-3true assume 1 == ~doorState~0;~doorState~0 := 0; 965#L2057-5true 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 1597#L2797-33true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 1722#L2824-33true isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 1463#L2429-4true stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 2198#L1696-2true assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 52#L1144-5true stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 2078#L1709-2true timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 1365#L2065-2true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 413#L1753-3true assume !(1 == ~currentHeading~0); 472#L1763-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1095#L1763-11true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2478#L1769-7true assume { :end_inline_continueInDirection } true; 2217#L2074-5true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 173#L1144-7true __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 212#L2593-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1933#L2594-1true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 2103#L1153-5true __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 1069#L2598-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 146#L2653-1true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1238#L2089-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1990#L207-2true [2021-12-15 17:13:25,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:25,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2059140603, now seen corresponding path program 1 times [2021-12-15 17:13:25,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:25,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062760079] [2021-12-15 17:13:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:25,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:25,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:25,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062760079] [2021-12-15 17:13:25,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062760079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:25,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:25,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:25,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005436087] [2021-12-15 17:13:25,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:25,568 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:25,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:25,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1878229724, now seen corresponding path program 1 times [2021-12-15 17:13:25,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:25,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571634445] [2021-12-15 17:13:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:25,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:25,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:25,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571634445] [2021-12-15 17:13:25,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571634445] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:25,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:25,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-15 17:13:25,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251379006] [2021-12-15 17:13:25,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:25,724 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:13:25,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:13:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 17:13:25,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-15 17:13:25,765 INFO L87 Difference]: Start difference. First operand has 2479 states, 2478 states have (on average 1.8652138821630346) internal successors, (4622), 2478 states have internal predecessors, (4622), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:13:28,830 INFO L93 Difference]: Finished difference Result 18772 states and 34781 transitions. [2021-12-15 17:13:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-15 17:13:28,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18772 states and 34781 transitions. [2021-12-15 17:13:28,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8992 [2021-12-15 17:13:29,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18772 states to 18592 states and 34585 transitions. [2021-12-15 17:13:29,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18592 [2021-12-15 17:13:29,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18592 [2021-12-15 17:13:29,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18592 states and 34585 transitions. [2021-12-15 17:13:29,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:13:29,259 INFO L681 BuchiCegarLoop]: Abstraction has 18592 states and 34585 transitions. [2021-12-15 17:13:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18592 states and 34585 transitions. [2021-12-15 17:13:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18592 to 7054. [2021-12-15 17:13:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 7054 states have (on average 1.8622058406577828) internal successors, (13136), 7053 states have internal predecessors, (13136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 13136 transitions. [2021-12-15 17:13:29,490 INFO L704 BuchiCegarLoop]: Abstraction has 7054 states and 13136 transitions. [2021-12-15 17:13:29,490 INFO L587 BuchiCegarLoop]: Abstraction has 7054 states and 13136 transitions. [2021-12-15 17:13:29,490 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:13:29,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7054 states and 13136 transitions. [2021-12-15 17:13:29,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3578 [2021-12-15 17:13:29,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:29,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:29,515 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] [2021-12-15 17:13:29,515 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] [2021-12-15 17:13:29,515 INFO L791 eck$LassoCheckResult]: Stem: 22555#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~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; 22556#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; 23657#L3410 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 23598#L3403 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~29#1;havoc valid_product_~retValue_acc~29#1;valid_product_~retValue_acc~29#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~29#1; 22825#L3418 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; 22537#L408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 22308#L377 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; 22309#L2548 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; 23144#L467 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 22441#L492 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; 23416#L3068 assume 0 == initPersonOnFloor_~floor#1; 21517#L3069 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 21304#L3176-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 22615#L2860 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 22299#L2872-2 assume { :end_inline_callOnFloor } true; 23707#L3212 assume { :end_inline_initPersonOnFloor } true; 22868#L177 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~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 22869#L2797 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 23275#L2824 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 22359#L2429 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 21724#L1813 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 21726#L1144 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 23609#L1817 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 23881#L1830 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 27231#L1966 assume !(0 != timeShift_~tmp___9~2#1); 27232#L2057 assume 1 == ~doorState~0;~doorState~0 := 0; 28190#L2057-2 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 28189#L2797-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 28188#L2824-3 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 28187#L2429-1 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 28185#L1696 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 28186#L1144-1 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 28194#L1709 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 28192#L2065 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 28191#L1753 assume !(1 == ~currentHeading~0); 23283#L1763 assume !(0 == ~currentFloorID~0); 23284#L1763-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 23580#L1769-1 assume { :end_inline_continueInDirection } true; 22216#L2074-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 22217#L1144-3 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 22392#L2593 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 22393#L2594 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 21459#L1153 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 21460#L2598 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 21379#L2653 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 22723#L2089 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 26489#L207-2 [2021-12-15 17:13:29,516 INFO L793 eck$LassoCheckResult]: Loop: 26489#L207-2 assume !false; 26488#L208 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 26487#L211 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 26486#L990 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; 23147#L215 assume 1 != cleanup_~tmp___0~0#1; 23148#L215-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret47#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~14#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~14#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~13#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~13#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 23021#L2797-25 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 23022#L2824-25 anyStopRequested_#t~ret42#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret42#1;havoc anyStopRequested_#t~ret42#1; 26463#L1252 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 26456#L1316 isIdle_#t~ret47#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~14#1 := isIdle_#t~ret47#1;havoc isIdle_#t~ret47#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~14#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 26455#L1329 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; 24028#L227 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 24027#L2797-30 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 23954#L2824-30 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 24004#L2429-3 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 23952#L1813-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 23951#L1144-4 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 23950#L1817-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 23641#L1830-1 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 23841#L1966-2 assume !(0 != timeShift_~tmp___9~2#1); 23842#L2057-3 assume 1 == ~doorState~0;~doorState~0 := 0; 28229#L2057-5 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 28228#L2797-33 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 28227#L2824-33 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 28226#L2429-4 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 28225#L1696-2 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 21423#L1144-5 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 21424#L1709-2 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 23379#L2065-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 23380#L1753-3 assume !(1 == ~currentHeading~0); 22265#L1763-9 assume !(0 == ~currentFloorID~0); 21412#L1763-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 23152#L1769-7 assume { :end_inline_continueInDirection } true; 22267#L2074-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 27349#L1144-7 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 27348#L2593-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 27347#L2594-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 27344#L1153-5 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 27338#L2598-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 27328#L2653-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 26490#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 26489#L207-2 [2021-12-15 17:13:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2059140603, now seen corresponding path program 2 times [2021-12-15 17:13:29,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:29,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061303088] [2021-12-15 17:13:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:29,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:29,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:29,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061303088] [2021-12-15 17:13:29,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061303088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:29,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:29,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:29,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917449121] [2021-12-15 17:13:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:29,562 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:29,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1177165146, now seen corresponding path program 1 times [2021-12-15 17:13:29,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:29,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520493744] [2021-12-15 17:13:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:29,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:29,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:29,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520493744] [2021-12-15 17:13:29,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520493744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:29,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:29,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:29,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935005414] [2021-12-15 17:13:29,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:29,590 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:13:29,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:13:29,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:13:29,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:13:29,591 INFO L87 Difference]: Start difference. First operand 7054 states and 13136 transitions. cyclomatic complexity: 6084 Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:29,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:13:29,707 INFO L93 Difference]: Finished difference Result 10664 states and 19818 transitions. [2021-12-15 17:13:29,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:13:29,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10664 states and 19818 transitions. [2021-12-15 17:13:29,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7128 [2021-12-15 17:13:29,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10664 states to 10664 states and 19818 transitions. [2021-12-15 17:13:29,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10664 [2021-12-15 17:13:29,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10664 [2021-12-15 17:13:29,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10664 states and 19818 transitions. [2021-12-15 17:13:29,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:13:29,800 INFO L681 BuchiCegarLoop]: Abstraction has 10664 states and 19818 transitions. [2021-12-15 17:13:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10664 states and 19818 transitions. [2021-12-15 17:13:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10664 to 10656. [2021-12-15 17:13:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10656 states, 10656 states have (on average 1.8586711711711712) internal successors, (19806), 10655 states have internal predecessors, (19806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10656 states to 10656 states and 19806 transitions. [2021-12-15 17:13:30,022 INFO L704 BuchiCegarLoop]: Abstraction has 10656 states and 19806 transitions. [2021-12-15 17:13:30,022 INFO L587 BuchiCegarLoop]: Abstraction has 10656 states and 19806 transitions. [2021-12-15 17:13:30,022 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:13:30,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10656 states and 19806 transitions. [2021-12-15 17:13:30,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7120 [2021-12-15 17:13:30,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:30,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:30,052 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] [2021-12-15 17:13:30,052 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] [2021-12-15 17:13:30,053 INFO L791 eck$LassoCheckResult]: Stem: 40282#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~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; 40283#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; 41400#L3410 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 41343#L3403 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~29#1;havoc valid_product_~retValue_acc~29#1;valid_product_~retValue_acc~29#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~29#1; 40552#L3418 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; 40264#L408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 40035#L377 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; 40036#L2548 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; 40876#L467 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 40168#L492 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; 41159#L3068 assume 0 == initPersonOnFloor_~floor#1; 39242#L3069 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 39032#L3176-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 40343#L2860 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 40028#L2872-2 assume { :end_inline_callOnFloor } true; 41454#L3212 assume { :end_inline_initPersonOnFloor } true; 40597#L177 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~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 40598#L2797 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 41063#L2824 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 40085#L2429 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 39452#L1813 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 39454#L1144 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 41354#L1817 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 41605#L1830 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 41532#L1966 assume !(0 != timeShift_~tmp___9~2#1); 41457#L2057 assume 1 == ~doorState~0;~doorState~0 := 0; 40317#L2057-2 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 39071#L2797-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 39072#L2824-3 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 39357#L2429-1 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 41598#L1696 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 41272#L1144-1 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 39539#L1709 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 41115#L2065 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 39466#L1753 assume !(1 == ~currentHeading~0); 39467#L1763 assume !(0 == ~currentFloorID~0); 41015#L1763-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 41442#L1769-1 assume { :end_inline_continueInDirection } true; 45312#L2074-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 45310#L1144-3 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 45307#L2593 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 45306#L2594 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 45292#L1153 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 45271#L2598 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 45267#L2653 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 45265#L2089 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 45264#L207-2 [2021-12-15 17:13:30,053 INFO L793 eck$LassoCheckResult]: Loop: 45264#L207-2 assume !false; 45263#L208 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 45262#L211 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 45261#L990 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; 45260#L215 assume 1 != cleanup_~tmp___0~0#1; 45259#L215-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret47#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~14#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~14#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~13#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~13#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 45249#L2797-25 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 45239#L2824-25 anyStopRequested_#t~ret42#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret42#1;havoc anyStopRequested_#t~ret42#1; 45231#L1252 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 45222#L1316 isIdle_#t~ret47#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~14#1 := isIdle_#t~ret47#1;havoc isIdle_#t~ret47#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~14#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 45221#L1329 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; 45220#L227 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 45219#L2797-30 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 42320#L2824-30 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 45218#L2429-3 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 45217#L1813-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 45215#L1144-4 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 45213#L1817-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 39301#L1830-1 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 41592#L1966-2 assume !(0 != timeShift_~tmp___9~2#1); 40568#L2057-3 assume 1 == ~doorState~0;~doorState~0 := 0; 40569#L2057-5 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 40731#L2797-33 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 41292#L2824-33 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 41202#L2429-4 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 41203#L1696-2 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 39148#L1144-5 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 39149#L1709-2 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 41121#L2065-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 39895#L1753-3 assume !(1 == ~currentHeading~0); 39896#L1763-9 assume !(0 == ~currentFloorID~0); 39133#L1763-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 40883#L1769-7 assume { :end_inline_continueInDirection } true; 45311#L2074-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 45309#L1144-7 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 45308#L2593-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 45305#L2594-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 45301#L1153-5 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 45289#L2598-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 45268#L2653-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 45266#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 45264#L207-2 [2021-12-15 17:13:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2059140603, now seen corresponding path program 3 times [2021-12-15 17:13:30,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:30,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386762369] [2021-12-15 17:13:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:30,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:30,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386762369] [2021-12-15 17:13:30,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386762369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:30,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:30,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:30,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693558901] [2021-12-15 17:13:30,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:30,083 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1570192156, now seen corresponding path program 1 times [2021-12-15 17:13:30,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:30,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370707216] [2021-12-15 17:13:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:30,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:30,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:30,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370707216] [2021-12-15 17:13:30,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370707216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:30,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:30,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:13:30,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51202667] [2021-12-15 17:13:30,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:30,116 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:13:30,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:13:30,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:13:30,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:13:30,116 INFO L87 Difference]: Start difference. First operand 10656 states and 19806 transitions. cyclomatic complexity: 9152 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:30,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:13:30,509 INFO L93 Difference]: Finished difference Result 38585 states and 71368 transitions. [2021-12-15 17:13:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 17:13:30,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38585 states and 71368 transitions. [2021-12-15 17:13:30,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33918 [2021-12-15 17:13:30,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38585 states to 38585 states and 71368 transitions. [2021-12-15 17:13:30,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38585 [2021-12-15 17:13:30,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38585 [2021-12-15 17:13:30,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38585 states and 71368 transitions. [2021-12-15 17:13:31,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:13:31,009 INFO L681 BuchiCegarLoop]: Abstraction has 38585 states and 71368 transitions. [2021-12-15 17:13:31,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38585 states and 71368 transitions. [2021-12-15 17:13:31,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38585 to 13661. [2021-12-15 17:13:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13661 states, 13661 states have (on average 1.8443744967425517) internal successors, (25196), 13660 states have internal predecessors, (25196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:13:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13661 states to 13661 states and 25196 transitions. [2021-12-15 17:13:31,564 INFO L704 BuchiCegarLoop]: Abstraction has 13661 states and 25196 transitions. [2021-12-15 17:13:31,564 INFO L587 BuchiCegarLoop]: Abstraction has 13661 states and 25196 transitions. [2021-12-15 17:13:31,564 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:13:31,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13661 states and 25196 transitions. [2021-12-15 17:13:31,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9188 [2021-12-15 17:13:31,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:31,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:31,609 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] [2021-12-15 17:13:31,609 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] [2021-12-15 17:13:31,610 INFO L791 eck$LassoCheckResult]: Stem: 89551#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~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; 89552#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; 90762#L3410 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90693#L3403 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~29#1;havoc valid_product_~retValue_acc~29#1;valid_product_~retValue_acc~29#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~29#1; 89829#L3418 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; 89532#L408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 89301#L377 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; 89302#L2548 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; 90171#L467 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 89437#L492 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; 90482#L3068 assume 0 == initPersonOnFloor_~floor#1; 88502#L3069 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 88292#L3176-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 89612#L2860 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 89294#L2872-2 assume { :end_inline_callOnFloor } true; 90827#L3212 assume { :end_inline_initPersonOnFloor } true; 89874#L177 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~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 89875#L2797 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 90372#L2824 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 89352#L2429 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 88714#L1813 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 88716#L1144 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 90708#L1817 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 91054#L1830 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 90923#L1966 assume !(0 != timeShift_~tmp___9~2#1); 90924#L2057 assume !(1 == ~doorState~0); 91304#L2057-2 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 98401#L2797-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 98400#L2824-3 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 98395#L2429-1 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 90993#L1696 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 90994#L1144-1 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 90429#L1709 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 90430#L2065 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 91537#L1753 assume !(1 == ~currentHeading~0); 91538#L1763 assume !(0 == ~currentFloorID~0); 90809#L1763-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 90810#L1769-1 assume { :end_inline_continueInDirection } true; 98387#L2074-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 98383#L1144-3 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 98384#L2593 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 98380#L2594 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 98381#L1153 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 98375#L2598 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 98376#L2653 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 99486#L2089 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 99485#L207-2 [2021-12-15 17:13:31,611 INFO L793 eck$LassoCheckResult]: Loop: 99485#L207-2 assume !false; 99484#L208 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 99483#L211 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 99482#L990 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; 99477#L215 assume 1 != cleanup_~tmp___0~0#1; 99472#L215-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret47#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~14#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~14#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~13#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~13#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 99471#L2797-25 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 99460#L2824-25 anyStopRequested_#t~ret42#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret42#1;havoc anyStopRequested_#t~ret42#1; 99452#L1252 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 99443#L1316 isIdle_#t~ret47#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~14#1 := isIdle_#t~ret47#1;havoc isIdle_#t~ret47#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~14#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 99442#L1329 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; 99437#L227 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_#t~ret82#1, timeShift_#t~ret83#1, timeShift_#t~ret84#1, timeShift_#t~ret85#1, timeShift_#t~ret86#1, timeShift_#t~ret87#1, timeShift_#t~ret88#1, timeShift_#t~ret89#1, timeShift_#t~ret90#1, timeShift_#t~ret91#1, timeShift_~tmp~21#1, timeShift_~tmp___0~8#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~21#1;havoc timeShift_~tmp___0~8#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1, stopRequestedAtCurrentFloor_#t~ret66#1, stopRequestedAtCurrentFloor_#t~ret67#1, stopRequestedAtCurrentFloor_#t~ret68#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~19#1, stopRequestedAtCurrentFloor_~tmp___0~6#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~19#1;havoc stopRequestedAtCurrentFloor_~tmp___0~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 99435#L2797-30 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 93802#L2824-30 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 99434#L2429-3 stopRequestedAtCurrentFloor_#t~ret65#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~19#1 := stopRequestedAtCurrentFloor_#t~ret65#1;havoc stopRequestedAtCurrentFloor_#t~ret65#1; 99433#L1813-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~19#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 99432#L1144-4 stopRequestedAtCurrentFloor_#t~ret66#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~6#1 := stopRequestedAtCurrentFloor_#t~ret66#1;havoc stopRequestedAtCurrentFloor_#t~ret66#1; 99431#L1817-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 90743#L1830-1 timeShift_#t~ret81#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 99765#L1966-2 assume !(0 != timeShift_~tmp___9~2#1); 99763#L2057-3 assume !(1 == ~doorState~0); 99762#L2057-5 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~ret59#1, stopRequestedInDirection_#t~ret60#1, stopRequestedInDirection_#t~ret61#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~tmp~16#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~5#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~17#1;havoc stopRequestedInDirection_~tmp~16#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret118#1, isExecutiveFloorCalling_~retValue_acc~23#1;havoc isExecutiveFloorCalling_~retValue_acc~23#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~25#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~25#1; 99761#L2797-33 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~25#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~25#1; 99755#L2824-33 isExecutiveFloorCalling_#t~ret118#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~23#1 := isExecutiveFloorCalling_#t~ret118#1;havoc isExecutiveFloorCalling_#t~ret118#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~23#1; 99689#L2429-4 stopRequestedInDirection_#t~ret59#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~4#1 := stopRequestedInDirection_#t~ret59#1;havoc stopRequestedInDirection_#t~ret59#1; 99652#L1696-2 assume 0 != stopRequestedInDirection_~tmp___0~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 99651#L1144-5 stopRequestedInDirection_#t~ret60#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~16#1 := stopRequestedInDirection_#t~ret60#1;havoc stopRequestedInDirection_#t~ret60#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~16#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 99650#L1709-2 timeShift_#t~ret88#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret88#1;havoc timeShift_#t~ret88#1; 99648#L2065-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret62#1, continueInDirection_~dir#1, continueInDirection_~tmp~17#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~17#1;~currentHeading~0 := continueInDirection_~dir#1; 99649#L1753-3 assume !(1 == ~currentHeading~0); 89260#L1763-9 assume !(0 == ~currentFloorID~0); 88393#L1763-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 90178#L1769-7 assume { :end_inline_continueInDirection } true; 99040#L2074-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret125#1, __utac_acc__Specification2_spec__3_#t~ret126#1, __utac_acc__Specification2_spec__3_#t~ret127#1, __utac_acc__Specification2_spec__3_#t~ret128#1, __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~25#1, __utac_acc__Specification2_spec__3_~tmp___0~12#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~25#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~12#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 98681#L1144-7 __utac_acc__Specification2_spec__3_#t~ret125#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~25#1 := __utac_acc__Specification2_spec__3_#t~ret125#1;havoc __utac_acc__Specification2_spec__3_#t~ret125#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~25#1; 98682#L2593-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 98676#L2594-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 98677#L1153-5 __utac_acc__Specification2_spec__3_#t~ret126#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret126#1;havoc __utac_acc__Specification2_spec__3_#t~ret126#1; 98671#L2598-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 98673#L2653-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 99487#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 99485#L207-2 [2021-12-15 17:13:31,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1813124867, now seen corresponding path program 1 times [2021-12-15 17:13:31,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:31,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308612424] [2021-12-15 17:13:31,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:31,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:13:31,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:31,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308612424] [2021-12-15 17:13:31,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308612424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:31,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:31,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:31,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179894241] [2021-12-15 17:13:31,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:31,656 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1147490330, now seen corresponding path program 1 times [2021-12-15 17:13:31,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:31,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221335871] [2021-12-15 17:13:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:31,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:31,671 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:13:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:31,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:13:32,984 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:818) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:13:32,988 INFO L158 Benchmark]: Toolchain (without parser) took 12114.29ms. Allocated memory was 107.0MB in the beginning and 855.6MB in the end (delta: 748.7MB). Free memory was 74.3MB in the beginning and 348.4MB in the end (delta: -274.1MB). Peak memory consumption was 473.8MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,988 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:32,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.72ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 55.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.03ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 55.7MB in the beginning and 114.4MB in the end (delta: -58.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,989 INFO L158 Benchmark]: Boogie Preprocessor took 143.87ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 91.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,989 INFO L158 Benchmark]: RCFGBuilder took 3071.89ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 91.3MB in the beginning and 201.2MB in the end (delta: -109.9MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,989 INFO L158 Benchmark]: BuchiAutomizer took 7999.11ms. Allocated memory was 318.8MB in the beginning and 855.6MB in the end (delta: 536.9MB). Free memory was 201.2MB in the beginning and 348.4MB in the end (delta: -147.2MB). Peak memory consumption was 390.7MB. Max. memory is 16.1GB. [2021-12-15 17:13:32,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.72ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 55.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.03ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 55.7MB in the beginning and 114.4MB in the end (delta: -58.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.87ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 91.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3071.89ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 91.3MB in the beginning and 201.2MB in the end (delta: -109.9MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 7999.11ms. Allocated memory was 318.8MB in the beginning and 855.6MB in the end (delta: 536.9MB). Free memory was 201.2MB in the beginning and 348.4MB in the end (delta: -147.2MB). Peak memory consumption was 390.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:13:33,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable