./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_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_spec9_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 2156ba1e79a86c856553f139302f2b9940a34efa4e31eb139d6bea893c29b00d --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:15:04,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:15:04,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:15:04,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:15:04,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:15:04,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:15:04,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:15:04,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:15:04,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:15:04,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:15:04,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:15:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:15:04,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:15:04,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:15:04,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:15:04,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:15:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:15:04,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:15:04,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:15:04,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:15:04,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:15:04,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:15:04,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:15:04,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:15:04,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:15:04,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:15:04,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:15:04,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:15:04,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:15:04,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:15:04,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:15:04,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:15:04,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:15:04,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:15:04,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:15:04,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:15:04,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:15:04,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:15:04,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:15:04,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:15:04,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:15:04,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:15:04,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:15:04,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:15:04,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:15:04,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:15:04,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:15:04,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:15:04,956 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:15:04,956 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:15:04,956 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:15:04,956 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:15:04,957 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:15:04,957 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:15:04,957 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:15:04,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:15:04,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:15:04,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:15:04,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:15:04,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:15:04,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:15:04,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:15:04,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:15:04,961 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:15:04,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2156ba1e79a86c856553f139302f2b9940a34efa4e31eb139d6bea893c29b00d [2021-12-15 17:15:05,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:15:05,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:15:05,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:15:05,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:15:05,173 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:15:05,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product11.cil.c [2021-12-15 17:15:05,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a817607f0/ac0d583327824bc5816f40e30b43ab57/FLAG36a405923 [2021-12-15 17:15:05,640 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:15:05,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product11.cil.c [2021-12-15 17:15:05,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a817607f0/ac0d583327824bc5816f40e30b43ab57/FLAG36a405923 [2021-12-15 17:15:06,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a817607f0/ac0d583327824bc5816f40e30b43ab57 [2021-12-15 17:15:06,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:15:06,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:15:06,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:15:06,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:15:06,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:15:06,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c176d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06, skipping insertion in model container [2021-12-15 17:15:06,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:15:06,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:15:06,489 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_spec9_product11.cil.c[71954,71967] [2021-12-15 17:15:06,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:15:06,496 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:15:06,555 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_spec9_product11.cil.c[71954,71967] [2021-12-15 17:15:06,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:15:06,573 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:15:06,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06 WrapperNode [2021-12-15 17:15:06,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:15:06,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:15:06,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:15:06,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:15:06,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,750 INFO L137 Inliner]: procedures = 93, calls = 335, calls flagged for inlining = 188, calls inlined = 276, statements flattened = 8618 [2021-12-15 17:15:06,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:15:06,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:15:06,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:15:06,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:15:06,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:15:06,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:15:06,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:15:06,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:15:06,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (1/1) ... [2021-12-15 17:15:06,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:15:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:15:06,952 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 17:15:07,025 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 17:15:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:15:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:15:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:15:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:15:07,217 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:15:07,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:15:09,993 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:15:10,007 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:15:10,008 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:15:10,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:15:10 BoogieIcfgContainer [2021-12-15 17:15:10,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:15:10,012 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:15:10,012 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:15:10,015 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:15:10,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:15:10,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:15:06" (1/3) ... [2021-12-15 17:15:10,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2907d11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:15:10, skipping insertion in model container [2021-12-15 17:15:10,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:15:10,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:15:06" (2/3) ... [2021-12-15 17:15:10,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2907d11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:15:10, skipping insertion in model container [2021-12-15 17:15:10,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:15:10,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:15:10" (3/3) ... [2021-12-15 17:15:10,018 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product11.cil.c [2021-12-15 17:15:10,046 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:15:10,046 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:15:10,046 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:15:10,046 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:15:10,047 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:15:10,047 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:15:10,047 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:15:10,047 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:15:10,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2479 states, 2478 states have (on average 1.867635189669088) internal successors, (4628), 2478 states have internal predecessors, (4628), 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 17:15:10,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1223 [2021-12-15 17:15:10,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:15:10,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:15:10,163 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] [2021-12-15 17:15:10,163 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] [2021-12-15 17:15:10,164 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:15:10,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2479 states, 2478 states have (on average 1.867635189669088) internal successors, (4628), 2478 states have internal predecessors, (4628), 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 17:15:10,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1223 [2021-12-15 17:15:10,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:15:10,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:15:10,194 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] [2021-12-15 17:15:10,195 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] [2021-12-15 17:15:10,208 INFO L791 eck$LassoCheckResult]: Stem: 606#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);~executiveFloor~0 := 4;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~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; 2388#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~1#1, main_~tmp~10#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 32#L1057true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1962#L1050true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 647#L1065true main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 1847#L492true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1249#L461true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2067#L890true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret16#1, bigMacCall_~tmp~7#1;havoc bigMacCall_~tmp~7#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~8#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~8#1; 1176#L1115true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~8#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~8#1; 1470#L1140true bigMacCall_#t~ret16#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~7#1 := bigMacCall_#t~ret16#1;havoc bigMacCall_#t~ret16#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~7#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 513#L3083true assume 0 == initPersonOnFloor_~floor#1; 238#L3084true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 665#L3191-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2363#L2875true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 941#L2887-2true assume { :end_inline_callOnFloor } true; 2438#L3227true assume { :end_inline_initPersonOnFloor } true; 1004#L265true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret17#1, cleanup_#t~ret18#1, cleanup_~i~2#1, cleanup_~tmp~8#1, cleanup_~tmp___0~2#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~2#1;havoc cleanup_~tmp~8#1;havoc cleanup_~tmp___0~2#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 488#L2812true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 1582#L2839true isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 2026#L2716true stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 1207#L2101true assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 1493#L1432true stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 96#L2105true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 2437#L2118true timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 200#L2253true assume !(0 != timeShift_~tmp___9~2#1); 1204#L2344true assume 1 == ~doorState~0;~doorState~0 := 0; 2380#L2344-2true 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 2329#L2812-3true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 2317#L2839-3true isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 284#L2716-1true stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 1321#L1984true assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 395#L1432-1true stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 805#L1997true timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 1464#L2352true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 2172#L2041true assume !(1 == ~currentHeading~0); 984#L2051true assume !(0 == ~currentFloorID~0); 558#L2051-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 509#L2057-1true assume { :end_inline_continueInDirection } true; 2349#L2361-2true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 1885#L1432-3true __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 1608#L1492-6true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 1139#L1524-6true __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 2368#L933true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1064#L943-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 781#L2376true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 0; 790#L293-2true [2021-12-15 17:15:10,210 INFO L793 eck$LassoCheckResult]: Loop: 790#L293-2true assume !false; 2318#L294true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1278#L297true assume cleanup_~i~2#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 2406#L1279true cleanup_#t~ret17#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~2#1 := cleanup_#t~ret17#1;havoc cleanup_#t~ret17#1; 399#L301true assume 1 != cleanup_~tmp___0~2#1; 410#L301-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret57#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~17#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~17#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_#t~ret56#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~16#1, anyStopRequested_~tmp___0~5#1, anyStopRequested_~tmp___1~4#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~16#1;havoc anyStopRequested_~tmp___0~5#1;havoc anyStopRequested_~tmp___1~4#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~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 9#L2812-25true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 831#L2839-25true anyStopRequested_#t~ret52#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret52#1;havoc anyStopRequested_#t~ret52#1; 1925#L1540true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 2345#L1604true isIdle_#t~ret57#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~17#1 := isIdle_#t~ret57#1;havoc isIdle_#t~ret57#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~17#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1983#L1617true cleanup_#t~ret18#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~8#1 := cleanup_#t~ret18#1;havoc cleanup_#t~ret18#1; 655#L313true assume !(0 != cleanup_~tmp~8#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 1394#L2812-30true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 1618#L2839-30true isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 1554#L2716-3true stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 88#L2101-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 371#L1432-4true stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 317#L2105-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 71#L2118-1true timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 2477#L2253-2true assume !(0 != timeShift_~tmp___9~2#1); 235#L2344-3true assume 1 == ~doorState~0;~doorState~0 := 0; 2447#L2344-5true 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 683#L2812-33true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 1551#L2839-33true isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 1716#L2716-4true stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 1792#L1984-2true assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 2171#L1432-5true stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 1011#L1997-2true timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 1671#L2352-2true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 1625#L2041-3true assume !(1 == ~currentHeading~0); 1621#L2051-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1827#L2051-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1857#L2057-7true assume { :end_inline_continueInDirection } true; 1628#L2361-5true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 1559#L1432-7true __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 853#L1492-13true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 63#L1524-13true __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 2191#L933-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 504#L943-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1292#L2376-1true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 1 + cleanup_~i~2#1; 790#L293-2true [2021-12-15 17:15:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash 621416527, now seen corresponding path program 1 times [2021-12-15 17:15:10,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:10,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876637591] [2021-12-15 17:15:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:10,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:15:10,419 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 17:15:10,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:15:10,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876637591] [2021-12-15 17:15:10,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876637591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:15:10,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:15:10,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:15:10,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966618957] [2021-12-15 17:15:10,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:15:10,425 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:15:10,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -602894271, now seen corresponding path program 1 times [2021-12-15 17:15:10,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:10,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125143409] [2021-12-15 17:15:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:10,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:15:10,493 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 17:15:10,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:15:10,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125143409] [2021-12-15 17:15:10,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125143409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:15:10,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:15:10,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-15 17:15:10,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255411603] [2021-12-15 17:15:10,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:15:10,495 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:15:10,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:15:10,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 17:15:10,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-15 17:15:10,522 INFO L87 Difference]: Start difference. First operand has 2479 states, 2478 states have (on average 1.867635189669088) internal successors, (4628), 2478 states have internal predecessors, (4628), 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 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 17:15:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:15:13,190 INFO L93 Difference]: Finished difference Result 18772 states and 34823 transitions. [2021-12-15 17:15:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-15 17:15:13,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18772 states and 34823 transitions. [2021-12-15 17:15:13,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8992 [2021-12-15 17:15:13,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18772 states to 18592 states and 34627 transitions. [2021-12-15 17:15:13,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18592 [2021-12-15 17:15:13,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18592 [2021-12-15 17:15:13,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18592 states and 34627 transitions. [2021-12-15 17:15:13,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:15:13,539 INFO L681 BuchiCegarLoop]: Abstraction has 18592 states and 34627 transitions. [2021-12-15 17:15:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18592 states and 34627 transitions. [2021-12-15 17:15:13,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18592 to 7054. [2021-12-15 17:15:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 7054 states have (on average 1.8647575843493054) internal successors, (13154), 7053 states have internal predecessors, (13154), 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 17:15:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 13154 transitions. [2021-12-15 17:15:13,774 INFO L704 BuchiCegarLoop]: Abstraction has 7054 states and 13154 transitions. [2021-12-15 17:15:13,774 INFO L587 BuchiCegarLoop]: Abstraction has 7054 states and 13154 transitions. [2021-12-15 17:15:13,775 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:15:13,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7054 states and 13154 transitions. [2021-12-15 17:15:13,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3578 [2021-12-15 17:15:13,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:15:13,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:15:13,806 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] [2021-12-15 17:15:13,806 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] [2021-12-15 17:15:13,806 INFO L791 eck$LassoCheckResult]: Stem: 22461#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);~executiveFloor~0 := 4;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~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; 22462#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~1#1, main_~tmp~10#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 21378#L1057 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 21379#L1050 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 22521#L1065 main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 22522#L492 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 23234#L461 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 23235#L890 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret16#1, bigMacCall_~tmp~7#1;havoc bigMacCall_~tmp~7#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~8#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~8#1; 23160#L1115 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~8#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~8#1; 21570#L1140 bigMacCall_#t~ret16#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~7#1 := bigMacCall_#t~ret16#1;havoc bigMacCall_#t~ret16#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~7#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 22314#L3083 assume 0 == initPersonOnFloor_~floor#1; 21840#L3084 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 21615#L3191-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 22546#L2875 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 21918#L2887-2 assume { :end_inline_callOnFloor } true; 22915#L3227 assume { :end_inline_initPersonOnFloor } true; 22989#L265 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret17#1, cleanup_#t~ret18#1, cleanup_~i~2#1, cleanup_~tmp~8#1, cleanup_~tmp___0~2#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~2#1;havoc cleanup_~tmp~8#1;havoc cleanup_~tmp___0~2#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 22274#L2812 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 22275#L2839 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 23936#L2716 stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 23930#L2101 assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 23923#L1432 stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 23913#L2105 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 23914#L2118 timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 27253#L2253 assume !(0 != timeShift_~tmp___9~2#1); 27254#L2344 assume 1 == ~doorState~0;~doorState~0 := 0; 28182#L2344-2 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 28181#L2812-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 28180#L2839-3 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 28179#L2716-1 stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 28177#L1984 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 28178#L1432-1 stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 28186#L1997 timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 28184#L2352 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 28183#L2041 assume !(1 == ~currentHeading~0); 22966#L2051 assume !(0 == ~currentFloorID~0); 22385#L2051-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 22308#L2057-1 assume { :end_inline_continueInDirection } true; 22309#L2361-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 23706#L1432-3 __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 23534#L1492-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 21394#L1524-6 __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 23127#L933 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 21661#L943-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 22699#L2376 assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 0; 22700#L293-2 [2021-12-15 17:15:13,807 INFO L793 eck$LassoCheckResult]: Loop: 22700#L293-2 assume !false; 22714#L294 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 23267#L297 assume cleanup_~i~2#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 23268#L1279 cleanup_#t~ret17#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~2#1 := cleanup_#t~ret17#1;havoc cleanup_#t~ret17#1; 22130#L301 assume 1 != cleanup_~tmp___0~2#1; 22131#L301-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret57#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~17#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~17#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_#t~ret56#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~16#1, anyStopRequested_~tmp___0~5#1, anyStopRequested_~tmp___1~4#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~16#1;havoc anyStopRequested_~tmp___0~5#1;havoc anyStopRequested_~tmp___1~4#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~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 22146#L2812-25 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 26460#L2839-25 anyStopRequested_#t~ret52#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret52#1;havoc anyStopRequested_#t~ret52#1; 26459#L1540 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 26447#L1604 isIdle_#t~ret57#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~17#1 := isIdle_#t~ret57#1;havoc isIdle_#t~ret57#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~17#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 26446#L1617 cleanup_#t~ret18#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~8#1 := cleanup_#t~ret18#1;havoc cleanup_#t~ret18#1; 24012#L313 assume !(0 != cleanup_~tmp~8#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 24011#L2812-30 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 23908#L2839-30 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 23990#L2716-3 stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 23978#L2101-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 23964#L1432-4 stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 23946#L2105-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 21994#L2118-1 timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 27774#L2253-2 assume !(0 != timeShift_~tmp___9~2#1); 27775#L2344-3 assume 1 == ~doorState~0;~doorState~0 := 0; 28227#L2344-5 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 28226#L2812-33 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 28225#L2839-33 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 28224#L2716-4 stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 23659#L1984-2 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 23660#L1432-5 stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 28223#L1997-2 timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 23586#L2352-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 23587#L2041-3 assume !(1 == ~currentHeading~0); 23543#L2051-9 assume !(0 == ~currentFloorID~0); 22848#L2051-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 23686#L2057-7 assume { :end_inline_continueInDirection } true; 21819#L2361-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 27346#L1432-7 __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 27345#L1492-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 27339#L1524-13 __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 27335#L933-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 22300#L943-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 22301#L2376-1 assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 1 + cleanup_~i~2#1; 22700#L293-2 [2021-12-15 17:15:13,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:13,808 INFO L85 PathProgramCache]: Analyzing trace with hash 621416527, now seen corresponding path program 2 times [2021-12-15 17:15:13,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:13,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769363297] [2021-12-15 17:15:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:13,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:15:13,852 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 17:15:13,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:15:13,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769363297] [2021-12-15 17:15:13,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769363297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:15:13,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:15:13,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:15:13,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645994592] [2021-12-15 17:15:13,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:15:13,854 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:15:13,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash -995921281, now seen corresponding path program 1 times [2021-12-15 17:15:13,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:13,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423604444] [2021-12-15 17:15:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:13,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:15:13,884 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 17:15:13,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:15:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423604444] [2021-12-15 17:15:13,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423604444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:15:13,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:15:13,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:15:13,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833651348] [2021-12-15 17:15:13,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:15:13,886 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:15:13,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:15:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:15:13,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:15:13,887 INFO L87 Difference]: Start difference. First operand 7054 states and 13154 transitions. cyclomatic complexity: 6102 Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 17:15:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:15:14,201 INFO L93 Difference]: Finished difference Result 18644 states and 34800 transitions. [2021-12-15 17:15:14,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:15:14,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18644 states and 34800 transitions. [2021-12-15 17:15:14,294 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12828 [2021-12-15 17:15:14,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18644 states to 18644 states and 34800 transitions. [2021-12-15 17:15:14,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18644 [2021-12-15 17:15:14,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18644 [2021-12-15 17:15:14,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18644 states and 34800 transitions. [2021-12-15 17:15:14,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:15:14,403 INFO L681 BuchiCegarLoop]: Abstraction has 18644 states and 34800 transitions. [2021-12-15 17:15:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18644 states and 34800 transitions. [2021-12-15 17:15:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18644 to 7066. [2021-12-15 17:15:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7066 states, 7066 states have (on average 1.863288989527314) internal successors, (13166), 7065 states have internal predecessors, (13166), 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 17:15:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 13166 transitions. [2021-12-15 17:15:14,563 INFO L704 BuchiCegarLoop]: Abstraction has 7066 states and 13166 transitions. [2021-12-15 17:15:14,563 INFO L587 BuchiCegarLoop]: Abstraction has 7066 states and 13166 transitions. [2021-12-15 17:15:14,563 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:15:14,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7066 states and 13166 transitions. [2021-12-15 17:15:14,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3584 [2021-12-15 17:15:14,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:15:14,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:15:14,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:15:14,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:15:14,589 INFO L791 eck$LassoCheckResult]: Stem: 48177#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);~executiveFloor~0 := 4;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~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; 48178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~1#1, main_~tmp~10#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 47087#L1057 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47088#L1050 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 48240#L1065 main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 48241#L492 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 48972#L461 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 48973#L890 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret16#1, bigMacCall_~tmp~7#1;havoc bigMacCall_~tmp~7#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~8#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~8#1; 48893#L1115 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~8#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~8#1; 47280#L1140 bigMacCall_#t~ret16#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~7#1 := bigMacCall_#t~ret16#1;havoc bigMacCall_#t~ret16#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~7#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 48027#L3083 assume 0 == initPersonOnFloor_~floor#1; 47551#L3084 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 47324#L3191-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 48268#L2875 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 47631#L2887-2 assume { :end_inline_callOnFloor } true; 48639#L3227 assume { :end_inline_initPersonOnFloor } true; 48712#L265 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret17#1, cleanup_#t~ret18#1, cleanup_~i~2#1, cleanup_~tmp~8#1, cleanup_~tmp___0~2#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~2#1;havoc cleanup_~tmp~8#1;havoc cleanup_~tmp___0~2#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 47987#L2812 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 47988#L2839 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 49269#L2716 stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 48926#L2101 assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 48928#L1432 stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 47239#L2105 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 47241#L2118 timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 49734#L2253 assume !(0 != timeShift_~tmp___9~2#1); 49736#L2344 assume 1 == ~doorState~0;~doorState~0 := 0; 49725#L2344-2 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 49726#L2812-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 49777#L2839-3 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 47644#L2716-1 stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 47645#L1984 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 47842#L1432-1 stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 47843#L1997 timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 48455#L2352 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 49609#L2041 assume !(1 == ~currentHeading~0); 48687#L2051 assume !(0 == ~currentFloorID~0); 48688#L2051-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 48021#L2057-1 assume { :end_inline_continueInDirection } true; 48022#L2361-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 49476#L1432-3 __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 49477#L1492-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 47103#L1524-6 __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 49676#L933 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 48737#L1441 __utac_acc__Specification9_spec__3_#t~ret49#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~4#1 := __utac_acc__Specification9_spec__3_#t~ret49#1;havoc __utac_acc__Specification9_spec__3_#t~ret49#1; 48738#L943 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~4#1); 47370#L943-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 48420#L2376 assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 0; 48421#L293-2 [2021-12-15 17:15:14,590 INFO L793 eck$LassoCheckResult]: Loop: 48421#L293-2 assume !false; 48433#L294 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 49004#L297 assume cleanup_~i~2#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 49005#L1279 cleanup_#t~ret17#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~2#1 := cleanup_#t~ret17#1;havoc cleanup_#t~ret17#1; 47847#L301 assume 1 != cleanup_~tmp___0~2#1; 47848#L301-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret57#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~17#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~17#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_#t~ret56#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~16#1, anyStopRequested_~tmp___0~5#1, anyStopRequested_~tmp___1~4#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~16#1;havoc anyStopRequested_~tmp___0~5#1;havoc anyStopRequested_~tmp___1~4#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~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 47024#L2812-25 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 47025#L2839-25 anyStopRequested_#t~ret52#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret52#1;havoc anyStopRequested_#t~ret52#1; 48490#L1540 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 47535#L1604 isIdle_#t~ret57#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~17#1 := isIdle_#t~ret57#1;havoc isIdle_#t~ret57#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~17#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 49536#L1617 cleanup_#t~ret18#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~8#1 := cleanup_#t~ret18#1;havoc cleanup_#t~ret18#1; 48251#L313 assume !(0 != cleanup_~tmp~8#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret91#1, timeShift_#t~ret92#1, timeShift_#t~ret93#1, timeShift_#t~ret94#1, timeShift_#t~ret95#1, timeShift_#t~ret96#1, timeShift_#t~ret97#1, timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_~tmp~24#1, timeShift_~tmp___0~11#1, timeShift_~tmp___1~7#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~24#1;havoc timeShift_~tmp___0~11#1;havoc timeShift_~tmp___1~7#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~ret75#1, stopRequestedAtCurrentFloor_#t~ret76#1, stopRequestedAtCurrentFloor_#t~ret77#1, stopRequestedAtCurrentFloor_#t~ret78#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~22#1, stopRequestedAtCurrentFloor_~tmp___0~9#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~22#1;havoc stopRequestedAtCurrentFloor_~tmp___0~9#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 48252#L2812-30 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 49116#L2839-30 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 49243#L2716-3 stopRequestedAtCurrentFloor_#t~ret75#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~22#1 := stopRequestedAtCurrentFloor_#t~ret75#1;havoc stopRequestedAtCurrentFloor_#t~ret75#1; 47221#L2101-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~22#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 47222#L1432-4 stopRequestedAtCurrentFloor_#t~ret76#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~9#1 := stopRequestedAtCurrentFloor_#t~ret76#1;havoc stopRequestedAtCurrentFloor_#t~ret76#1; 47795#L2105-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~9#1);stopRequestedAtCurrentFloor_~retValue_acc~22#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 47707#L2118-1 timeShift_#t~ret91#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret91#1;havoc timeShift_#t~ret91#1; 52559#L2253-2 assume !(0 != timeShift_~tmp___9~2#1); 52558#L2344-3 assume 1 == ~doorState~0;~doorState~0 := 0; 52557#L2344-5 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~ret69#1, stopRequestedInDirection_#t~ret70#1, stopRequestedInDirection_#t~ret71#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~tmp~19#1, stopRequestedInDirection_~tmp___0~7#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~19#1;havoc stopRequestedInDirection_~tmp~19#1;havoc stopRequestedInDirection_~tmp___0~7#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~ret128#1, isExecutiveFloorCalling_~retValue_acc~25#1;havoc isExecutiveFloorCalling_~retValue_acc~25#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~27#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~27#1; 52556#L2812-33 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~27#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~27#1; 52555#L2839-33 isExecutiveFloorCalling_#t~ret128#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~25#1 := isExecutiveFloorCalling_#t~ret128#1;havoc isExecutiveFloorCalling_#t~ret128#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~25#1; 52417#L2716-4 stopRequestedInDirection_#t~ret69#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret69#1;havoc stopRequestedInDirection_#t~ret69#1; 52394#L1984-2 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 52393#L1432-5 stopRequestedInDirection_#t~ret70#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~19#1 := stopRequestedInDirection_#t~ret70#1;havoc stopRequestedInDirection_#t~ret70#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5#1 := (if stopRequestedInDirection_~tmp~19#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 52392#L1997-2 timeShift_#t~ret98#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 52391#L2352-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret72#1, continueInDirection_~dir#1, continueInDirection_~tmp~20#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~20#1;~currentHeading~0 := continueInDirection_~dir#1; 52390#L2041-3 assume !(1 == ~currentHeading~0); 49299#L2051-9 assume !(0 == ~currentFloorID~0); 48574#L2051-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 49450#L2057-7 assume { :end_inline_continueInDirection } true; 47527#L2361-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret47#1, __utac_acc__Specification9_spec__3_#t~ret48#1, __utac_acc__Specification9_spec__3_#t~ret49#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~14#1, __utac_acc__Specification9_spec__3_~tmp___0~4#1, __utac_acc__Specification9_spec__3_~tmp___1~3#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~14#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~4#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 49249#L1432-7 __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~15#1;havoc isEmpty_~retValue_acc~15#1; 49250#L1492-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~15#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~15#1; 48246#L1524-13 __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; 49619#L933-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~3#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 48699#L1441-1 __utac_acc__Specification9_spec__3_#t~ret49#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~4#1 := __utac_acc__Specification9_spec__3_#t~ret49#1;havoc __utac_acc__Specification9_spec__3_#t~ret49#1; 48700#L943-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~4#1); 48013#L943-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 48014#L2376-1 assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 1 + cleanup_~i~2#1; 48421#L293-2 [2021-12-15 17:15:14,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:14,592 INFO L85 PathProgramCache]: Analyzing trace with hash 180831282, now seen corresponding path program 1 times [2021-12-15 17:15:14,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:14,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223352572] [2021-12-15 17:15:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:14,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:15:14,642 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 17:15:14,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:15:14,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223352572] [2021-12-15 17:15:14,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223352572] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:15:14,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:15:14,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:15:14,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768890719] [2021-12-15 17:15:14,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:15:14,644 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:15:14,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:15:14,644 INFO L85 PathProgramCache]: Analyzing trace with hash 697544226, now seen corresponding path program 1 times [2021-12-15 17:15:14,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:15:14,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955095076] [2021-12-15 17:15:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:15:14,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:15:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:15:14,656 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:15:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:15:14,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:15:15,708 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 17:15:15,712 INFO L158 Benchmark]: Toolchain (without parser) took 9704.00ms. Allocated memory was 81.8MB in the beginning and 543.2MB in the end (delta: 461.4MB). Free memory was 47.2MB in the beginning and 294.9MB in the end (delta: -247.7MB). Peak memory consumption was 358.6MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,712 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:15:15,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 47.8MB in the end (delta: -827.5kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.30ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 58.3MB in the end (delta: -10.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,714 INFO L158 Benchmark]: Boogie Preprocessor took 157.84ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 34.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,714 INFO L158 Benchmark]: RCFGBuilder took 3101.74ms. Allocated memory was 98.6MB in the beginning and 339.7MB in the end (delta: 241.2MB). Free memory was 34.2MB in the beginning and 270.8MB in the end (delta: -236.5MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,714 INFO L158 Benchmark]: BuchiAutomizer took 5698.77ms. Allocated memory was 339.7MB in the beginning and 543.2MB in the end (delta: 203.4MB). Free memory was 270.8MB in the beginning and 294.9MB in the end (delta: -24.1MB). Peak memory consumption was 323.9MB. Max. memory is 16.1GB. [2021-12-15 17:15:15,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 47.8MB in the end (delta: -827.5kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.30ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 58.3MB in the end (delta: -10.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.84ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 34.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3101.74ms. Allocated memory was 98.6MB in the beginning and 339.7MB in the end (delta: 241.2MB). Free memory was 34.2MB in the beginning and 270.8MB in the end (delta: -236.5MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5698.77ms. Allocated memory was 339.7MB in the beginning and 543.2MB in the end (delta: 203.4MB). Free memory was 270.8MB in the beginning and 294.9MB in the end (delta: -24.1MB). Peak memory consumption was 323.9MB. 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 17:15:15,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable