./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec13_product22.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 --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 f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:47:18,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:47:18,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:47:18,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:47:18,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:47:18,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:47:18,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:47:18,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:47:18,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:47:18,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:47:18,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:47:18,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:47:18,701 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:47:18,702 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:47:18,704 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:47:18,704 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:47:18,704 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:47:18,705 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:47:18,705 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:47:18,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:47:18,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:47:18,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:47:18,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:47:18,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:47:18,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:47:18,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:47:18,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:47:18,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:47:18,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:47:18,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:47:18,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:47:18,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:47:18,712 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:47:18,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:47:18,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:47:18,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:47:18,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:47:18,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:47:18,714 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:47:18,714 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a [2024-11-19 14:47:18,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:47:19,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:47:19,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:47:19,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:47:19,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:47:19,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2024-11-19 14:47:20,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:47:20,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:47:20,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2024-11-19 14:47:20,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47e7c35d/67ef05f86cb6414aa93d31ca47280095/FLAG62455f0d5 [2024-11-19 14:47:20,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47e7c35d/67ef05f86cb6414aa93d31ca47280095 [2024-11-19 14:47:20,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:47:20,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:47:20,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:47:20,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:47:20,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:47:20,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:20" (1/1) ... [2024-11-19 14:47:20,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a18ddd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:20, skipping insertion in model container [2024-11-19 14:47:20,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:20" (1/1) ... [2024-11-19 14:47:20,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:47:21,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:47:21,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:47:21,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-19 14:47:21,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [68] [2024-11-19 14:47:21,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [77] [2024-11-19 14:47:21,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [443] [2024-11-19 14:47:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2020] [2024-11-19 14:47:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2682] [2024-11-19 14:47:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2775] [2024-11-19 14:47:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2893] [2024-11-19 14:47:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2931] [2024-11-19 14:47:21,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [3279] [2024-11-19 14:47:21,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:47:21,632 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:47:21,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21 WrapperNode [2024-11-19 14:47:21,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:47:21,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:47:21,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:47:21,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:47:21,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:21,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:22,392 INFO L138 Inliner]: procedures = 92, calls = 345, calls flagged for inlining = 197, calls inlined = 1765, statements flattened = 63932 [2024-11-19 14:47:22,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:47:22,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:47:22,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:47:22,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:47:22,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:22,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:22,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:22,834 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-19 14:47:22,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:22,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:23,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:23,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:23,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:24,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:24,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:47:24,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:47:24,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:47:24,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:47:24,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2024-11-19 14:47:24,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:24,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:24,222 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) [2024-11-19 14:47:24,225 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 [2024-11-19 14:47:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:47:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 14:47:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 14:47:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 14:47:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 14:47:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 14:47:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 14:47:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 14:47:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:47:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:47:24,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:47:24,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:47:46,871 INFO L? ?]: Removed 28142 outVars from TransFormulas that were not future-live. [2024-11-19 14:47:46,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:47:47,072 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:47:47,072 INFO L316 CfgBuilder]: Removed 61 assume(true) statements. [2024-11-19 14:47:47,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:47 BoogieIcfgContainer [2024-11-19 14:47:47,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:47:47,074 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:47:47,074 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:47:47,078 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:47:47,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:47:47,079 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:47:20" (1/3) ... [2024-11-19 14:47:47,080 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60de4a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:47:47, skipping insertion in model container [2024-11-19 14:47:47,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:47:47,081 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (2/3) ... [2024-11-19 14:47:47,081 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60de4a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:47:47, skipping insertion in model container [2024-11-19 14:47:47,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:47:47,082 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:47" (3/3) ... [2024-11-19 14:47:47,083 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product22.cil.c [2024-11-19 14:47:47,386 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:47:47,386 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:47:47,386 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:47:47,387 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:47:47,387 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:47:47,387 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:47:47,387 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:47:47,387 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:47:47,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17402 states, 17401 states have (on average 1.8835124418136888) internal successors, (32775), 17401 states have internal predecessors, (32775), 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) [2024-11-19 14:47:47,738 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3966 [2024-11-19 14:47:47,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:47:47,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:47:47,747 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:47:47,747 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:47:47,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:47:47,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17402 states, 17401 states have (on average 1.8835124418136888) internal successors, (32775), 17401 states have internal predecessors, (32775), 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) [2024-11-19 14:47:48,163 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3966 [2024-11-19 14:47:48,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:47:48,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:47:48,165 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:47:48,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:47:48,171 INFO L745 eck$LassoCheckResult]: Stem: 4464#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 4219#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 16048#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15733#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 9233#valid_product_returnLabel#1true main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 16069#L3266true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 10059#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 404#L2819true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 2330#getOrigin_returnLabel#1true aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3877#L2375true assume 0 == initPersonOnFloor_~floor#1; 15891#L2376true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 13627#L2483-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 7134#L2167true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 11150#L2179-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 9544#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 15671#aliceCall_returnLabel#1true havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 2570#L2819-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 8944#getOrigin_returnLabel#2true angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 7086#L2375-1true assume 0 == initPersonOnFloor_~floor#1; 10016#L2376-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 12645#L2483-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 16569#L2167-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4296#L2179-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3095#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7077#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 6584#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 12012#__utac_acc__Specification13_spec__1_returnLabel#1true havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 13757#areDoorsOpen_returnLabel#1true timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 9427#L1647true assume 0 != timeShift_~tmp~14#1; 13564#L1648true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 16850#L1647-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 12996#L3305true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 10174#L3306true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 2437#L1867true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 7347#L1871-2true [2024-11-19 14:47:48,172 INFO L747 eck$LassoCheckResult]: Loop: 7347#L1871-2true assume !false; 71#L1872true assume existInLiftCallsInDirection_~i~0#1 < 5; 2744#L1873true assume !(0 == existInLiftCallsInDirection_~i~0#1); 884#$Ultimate##6932true assume !(1 == existInLiftCallsInDirection_~i~0#1); 3361#$Ultimate##6936true assume !(2 == existInLiftCallsInDirection_~i~0#1); 7267#$Ultimate##6940true assume !(3 == existInLiftCallsInDirection_~i~0#1); 6412#$Ultimate##6944true assume !(4 == existInLiftCallsInDirection_~i~0#1); 16549#L1914-1true existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 7347#L1871-2true [2024-11-19 14:47:48,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1544398965, now seen corresponding path program 1 times [2024-11-19 14:47:48,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:48,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121792328] [2024-11-19 14:47:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:48,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:47:48,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:47:48,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121792328] [2024-11-19 14:47:48,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121792328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:47:48,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:47:48,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:47:48,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875776387] [2024-11-19 14:47:48,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:47:48,674 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:47:48,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:48,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1775462013, now seen corresponding path program 1 times [2024-11-19 14:47:48,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:48,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642312855] [2024-11-19 14:47:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:48,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:48,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:47:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:48,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:47:48,804 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:47:48,805 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:47:48,805 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:47:48,806 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:47:48,806 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:47:48,806 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:48,806 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:47:48,806 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:47:48,806 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration1_Loop [2024-11-19 14:47:48,807 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:47:48,807 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:47:48,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:47:48,903 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:47:48,904 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:47:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:48,909 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-11-19 14:47:48,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:47:48,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:47:48,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:47:48,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-19 14:47:48,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:48,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:48,949 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-19 14:47:48,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:47:48,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:47:48,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:47:48,999 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:47:49,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-19 14:47:49,006 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:47:49,006 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:47:49,006 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:47:49,006 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:47:49,006 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:47:49,006 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:49,006 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:47:49,006 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:47:49,006 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration1_Loop [2024-11-19 14:47:49,007 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:47:49,007 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:47:49,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:47:49,067 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:47:49,072 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:47:49,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:49,075 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-19 14:47:49,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:47:49,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:47:49,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:47:49,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:47:49,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:47:49,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:47:49,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:47:49,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:47:49,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:47:49,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:47:49,102 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-19 14:47:49,102 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:47:49,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:49,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:49,128 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-19 14:47:49,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:47:49,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:47:49,131 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:47:49,132 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:47:49,132 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2024-11-19 14:47:49,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-19 14:47:49,150 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:47:49,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:49,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:47:49,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:47:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:49,366 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:47:49,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:47:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:47:49,576 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-19 14:47:49,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17402 states, 17401 states have (on average 1.8835124418136888) internal successors, (32775), 17401 states have internal predecessors, (32775), 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 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:47:50,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:47:51,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17402 states, 17401 states have (on average 1.8835124418136888) internal successors, (32775), 17401 states have internal predecessors, (32775), 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 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45368 states and 85388 transitions. Complement of second has 18 states. [2024-11-19 14:47:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-19 14:47:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:47:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 59101 transitions. [2024-11-19 14:47:51,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 59101 transitions. Stem has 34 letters. Loop has 8 letters. [2024-11-19 14:47:51,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:51,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 59101 transitions. Stem has 42 letters. Loop has 8 letters. [2024-11-19 14:47:51,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:51,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 59101 transitions. Stem has 34 letters. Loop has 16 letters. [2024-11-19 14:47:51,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:51,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45368 states and 85388 transitions. [2024-11-19 14:47:51,862 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 7850 [2024-11-19 14:47:52,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45368 states to 31309 states and 58845 transitions. [2024-11-19 14:47:52,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31279 [2024-11-19 14:47:52,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31280 [2024-11-19 14:47:52,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31309 states and 58845 transitions. [2024-11-19 14:47:52,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:47:52,118 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31309 states and 58845 transitions. [2024-11-19 14:47:52,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31309 states and 58845 transitions. [2024-11-19 14:47:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31309 to 31283. [2024-11-19 14:47:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31283 states, 31283 states have (on average 1.879806923888374) internal successors, (58806), 31282 states have internal predecessors, (58806), 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) [2024-11-19 14:47:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31283 states to 31283 states and 58806 transitions. [2024-11-19 14:47:53,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31283 states and 58806 transitions. [2024-11-19 14:47:53,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:47:53,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:47:53,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:47:53,131 INFO L87 Difference]: Start difference. First operand 31283 states and 58806 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-19 14:47:54,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:47:54,106 INFO L93 Difference]: Finished difference Result 31265 states and 58675 transitions. [2024-11-19 14:47:54,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31265 states and 58675 transitions. [2024-11-19 14:47:54,441 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 7834 [2024-11-19 14:47:54,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31265 states to 31256 states and 58666 transitions. [2024-11-19 14:47:54,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31237 [2024-11-19 14:47:54,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31237 [2024-11-19 14:47:54,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31256 states and 58666 transitions. [2024-11-19 14:47:54,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:47:54,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31256 states and 58666 transitions. [2024-11-19 14:47:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31256 states and 58666 transitions. [2024-11-19 14:47:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31256 to 17389. [2024-11-19 14:47:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17389 states, 17389 states have (on average 1.8769912013341767) internal successors, (32639), 17388 states have internal predecessors, (32639), 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) [2024-11-19 14:47:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17389 states to 17389 states and 32639 transitions. [2024-11-19 14:47:54,990 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17389 states and 32639 transitions. [2024-11-19 14:47:54,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:47:54,992 INFO L425 stractBuchiCegarLoop]: Abstraction has 17389 states and 32639 transitions. [2024-11-19 14:47:54,992 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:47:54,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17389 states and 32639 transitions. [2024-11-19 14:47:55,201 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2024-11-19 14:47:55,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:47:55,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:47:55,203 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:47:55,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:47:55,203 INFO L745 eck$LassoCheckResult]: Stem: 134239#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 133891#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 133892#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 142723#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 139570#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 139571#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 140241#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 126535#L2819 assume !(0 == getOrigin_~person#1); 126536#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 130661#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 130662#L2375 assume 0 == initPersonOnFloor_~floor#1; 133351#L2376 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 125845#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 137589#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 131428#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 139849#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 139850#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 131119#L2819-1 assume !(0 == getOrigin_~person#1); 131120#L2823-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 135657#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 137542#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 137543#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 125976#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 141775#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 133995#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 132081#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 132082#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 137001#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 137002#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 141463#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 139750#L1647 assume 0 != timeShift_~tmp~14#1; 139751#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 141816#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 141920#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 140315#L3306 assume !(1 == ~prevDir~0); 138893#L3332 assume 0 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 1;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 138894#L1867-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 133685#L1871-8 [2024-11-19 14:47:55,204 INFO L747 eck$LassoCheckResult]: Loop: 133685#L1871-8 assume !false; 133686#L1872-2 assume existInLiftCallsInDirection_~i~0#1 < 5; 126488#L1873-2 assume !(0 == existInLiftCallsInDirection_~i~0#1); 126489#$Ultimate##7088 assume !(1 == existInLiftCallsInDirection_~i~0#1); 133277#$Ultimate##7092 assume !(2 == existInLiftCallsInDirection_~i~0#1); 139377#$Ultimate##7096 assume !(3 == existInLiftCallsInDirection_~i~0#1); 137851#$Ultimate##7100 assume !(4 == existInLiftCallsInDirection_~i~0#1); 137853#L1914-5 existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 133685#L1871-8 [2024-11-19 14:47:55,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:55,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1440726616, now seen corresponding path program 1 times [2024-11-19 14:47:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:55,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640923472] [2024-11-19 14:47:55,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:55,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:47:55,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:47:55,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640923472] [2024-11-19 14:47:55,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640923472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:47:55,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:47:55,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:47:55,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30107632] [2024-11-19 14:47:55,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:47:55,367 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:47:55,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash 582561405, now seen corresponding path program 1 times [2024-11-19 14:47:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884195596] [2024-11-19 14:47:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:55,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:55,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:47:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:55,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:47:55,444 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:47:55,445 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:47:55,445 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:47:55,445 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:47:55,445 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:47:55,445 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,445 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:47:55,446 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:47:55,446 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration2_Loop [2024-11-19 14:47:55,446 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:47:55,446 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:47:55,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:47:55,505 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:47:55,505 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:47:55,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:55,509 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-19 14:47:55,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:47:55,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:47:55,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:47:55,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:47:55,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:55,550 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-19 14:47:55,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:47:55,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:47:55,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:47:55,587 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:47:55,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-19 14:47:55,593 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:47:55,594 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:47:55,594 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:47:55,594 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:47:55,594 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:47:55,594 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,594 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:47:55,594 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:47:55,594 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration2_Loop [2024-11-19 14:47:55,594 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:47:55,594 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:47:55,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:47:55,651 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:47:55,651 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:47:55,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:55,654 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-19 14:47:55,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:47:55,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:47:55,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:47:55,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:47:55,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:47:55,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:47:55,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:47:55,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:47:55,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:47:55,671 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:47:55,674 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-19 14:47:55,674 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:47:55,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:47:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:47:55,676 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-19 14:47:55,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:47:55,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:47:55,679 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:47:55,680 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:47:55,680 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2024-11-19 14:47:55,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-19 14:47:55,696 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:47:55,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:55,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:47:55,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:47:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:55,870 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 14:47:55,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:47:56,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:47:56,025 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-19 14:47:56,025 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17389 states and 32639 transitions. cyclomatic complexity: 15284 Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2024-11-19 14:47:56,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-19 14:47:57,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17389 states and 32639 transitions. cyclomatic complexity: 15284. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) Result 31312 states and 58749 transitions. Complement of second has 17 states. [2024-11-19 14:47:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-19 14:47:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2024-11-19 14:47:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 32626 transitions. [2024-11-19 14:47:57,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32626 transitions. Stem has 37 letters. Loop has 8 letters. [2024-11-19 14:47:57,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:57,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32626 transitions. Stem has 45 letters. Loop has 8 letters. [2024-11-19 14:47:57,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:57,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32626 transitions. Stem has 37 letters. Loop has 16 letters. [2024-11-19 14:47:57,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:47:57,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31312 states and 58749 transitions. [2024-11-19 14:47:57,548 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 7848 [2024-11-19 14:47:57,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31312 states to 31306 states and 58743 transitions. [2024-11-19 14:47:57,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31257 [2024-11-19 14:47:57,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31258 [2024-11-19 14:47:57,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31306 states and 58743 transitions. [2024-11-19 14:47:57,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:47:57,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31306 states and 58743 transitions. [2024-11-19 14:47:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31306 states and 58743 transitions. [2024-11-19 14:47:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31306 to 17413. [2024-11-19 14:47:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17413 states, 17413 states have (on average 1.8765864583931546) internal successors, (32677), 17412 states have internal predecessors, (32677), 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) [2024-11-19 14:47:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17413 states to 17413 states and 32677 transitions. [2024-11-19 14:47:58,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17413 states and 32677 transitions. [2024-11-19 14:47:58,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:47:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:47:58,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:47:58,051 INFO L87 Difference]: Start difference. First operand 17413 states and 32677 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-19 14:47:58,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:47:58,605 INFO L93 Difference]: Finished difference Result 17431 states and 32695 transitions. [2024-11-19 14:47:58,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17431 states and 32695 transitions. [2024-11-19 14:47:58,684 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:47:58,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17431 states to 17431 states and 32695 transitions. [2024-11-19 14:47:58,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17393 [2024-11-19 14:47:58,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17393 [2024-11-19 14:47:58,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17431 states and 32695 transitions. [2024-11-19 14:47:58,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:47:58,791 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17431 states and 32695 transitions. [2024-11-19 14:47:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17431 states and 32695 transitions. [2024-11-19 14:47:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17431 to 17428. [2024-11-19 14:47:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17428 states, 17428 states have (on average 1.8758319944916226) internal successors, (32692), 17427 states have internal predecessors, (32692), 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) [2024-11-19 14:47:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17428 states to 17428 states and 32692 transitions. [2024-11-19 14:47:59,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17428 states and 32692 transitions. [2024-11-19 14:47:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:47:59,223 INFO L425 stractBuchiCegarLoop]: Abstraction has 17428 states and 32692 transitions. [2024-11-19 14:47:59,223 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:47:59,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17428 states and 32692 transitions. [2024-11-19 14:47:59,283 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:47:59,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:47:59,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:47:59,286 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:47:59,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:47:59,287 INFO L745 eck$LassoCheckResult]: Stem: 217964#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 217615#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 217616#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 226463#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 223303#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 223304#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 223977#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 210261#L2819 assume !(0 == getOrigin_~person#1); 210262#L2823 assume !(1 == getOrigin_~person#1); 218789#L2827 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 218790#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 226624#L2375 assume 0 == initPersonOnFloor_~floor#1; 226488#L2376 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 209571#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 221316#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 215150#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 223583#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 223584#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 214841#L2819-1 assume !(0 == getOrigin_~person#1); 214842#L2823-1 assume !(1 == getOrigin_~person#1); 219384#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 221397#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 226634#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 223946#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 209699#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 225512#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 217719#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 215805#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 215806#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 220731#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 220732#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 225200#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 223484#L1647 assume 0 != timeShift_~tmp~14#1; 223485#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 225554#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 225657#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 224051#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 214585#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 214586#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 212833#L1937-2 [2024-11-19 14:47:59,288 INFO L747 eck$LassoCheckResult]: Loop: 212833#L1937-2 assume !false; 212834#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 214490#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 216463#L1946-2 assume !false; 215675#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 215677#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 212833#L1937-2 [2024-11-19 14:47:59,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:59,291 INFO L85 PathProgramCache]: Analyzing trace with hash 920334271, now seen corresponding path program 1 times [2024-11-19 14:47:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:59,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429693502] [2024-11-19 14:47:59,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:59,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:47:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:47:59,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:47:59,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429693502] [2024-11-19 14:47:59,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429693502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:47:59,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:47:59,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:47:59,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594138400] [2024-11-19 14:47:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:47:59,415 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:47:59,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:47:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 1 times [2024-11-19 14:47:59,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:47:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625498665] [2024-11-19 14:47:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:47:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:47:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:59,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:47:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:47:59,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:47:59,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:47:59,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:47:59,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:47:59,495 INFO L87 Difference]: Start difference. First operand 17428 states and 32692 transitions. cyclomatic complexity: 15299 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:47:59,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:47:59,733 INFO L93 Difference]: Finished difference Result 17394 states and 32624 transitions. [2024-11-19 14:47:59,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17394 states and 32624 transitions. [2024-11-19 14:48:00,041 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:00,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17394 states to 17394 states and 32624 transitions. [2024-11-19 14:48:00,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17356 [2024-11-19 14:48:00,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17356 [2024-11-19 14:48:00,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17394 states and 32624 transitions. [2024-11-19 14:48:00,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:00,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17394 states and 32624 transitions. [2024-11-19 14:48:00,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17394 states and 32624 transitions. [2024-11-19 14:48:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17394 to 17394. [2024-11-19 14:48:00,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17394 states, 17394 states have (on average 1.8755892836610326) internal successors, (32624), 17393 states have internal predecessors, (32624), 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) [2024-11-19 14:48:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17394 states to 17394 states and 32624 transitions. [2024-11-19 14:48:00,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17394 states and 32624 transitions. [2024-11-19 14:48:00,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:48:00,469 INFO L425 stractBuchiCegarLoop]: Abstraction has 17394 states and 32624 transitions. [2024-11-19 14:48:00,469 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:48:00,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17394 states and 32624 transitions. [2024-11-19 14:48:00,551 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:00,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:00,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:00,554 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:48:00,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:00,554 INFO L745 eck$LassoCheckResult]: Stem: 252784#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 252435#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 252436#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 261263#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 258111#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 258112#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 258783#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 245086#L2819 assume !(0 == getOrigin_~person#1); 245087#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 249205#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 249206#L2375 assume !(0 == initPersonOnFloor_~floor#1); 246025#L2402 assume !(1 == initPersonOnFloor_~floor#1); 246026#L2429 assume !(2 == initPersonOnFloor_~floor#1); 248940#L2456 assume 3 == initPersonOnFloor_~floor#1; 248941#L2457 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 258355#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 256126#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 249971#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 258390#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 258391#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 249662#L2819-1 assume !(0 == getOrigin_~person#1); 249663#L2823-1 assume !(1 == getOrigin_~person#1); 254199#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 256207#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 261428#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 258752#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 244524#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 260315#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 252539#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 250626#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 250627#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 255542#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 255543#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 260004#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 258290#L1647 assume 0 != timeShift_~tmp~14#1; 258291#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 260357#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 260459#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 258857#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 249406#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 249407#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 247656#L1937-2 [2024-11-19 14:48:00,555 INFO L747 eck$LassoCheckResult]: Loop: 247656#L1937-2 assume !false; 247657#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 249311#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 251283#L1946-2 assume !false; 250496#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 250498#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 247656#L1937-2 [2024-11-19 14:48:00,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash -89409166, now seen corresponding path program 1 times [2024-11-19 14:48:00,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:00,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148229767] [2024-11-19 14:48:00,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:00,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:00,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:00,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148229767] [2024-11-19 14:48:00,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148229767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:00,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:00,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:48:00,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864354277] [2024-11-19 14:48:00,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:00,702 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:00,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 2 times [2024-11-19 14:48:00,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282414524] [2024-11-19 14:48:00,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:48:00,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:00,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:48:00,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:00,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:00,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:00,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:00,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:48:00,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:48:00,769 INFO L87 Difference]: Start difference. First operand 17394 states and 32624 transitions. cyclomatic complexity: 15265 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:48:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:01,547 INFO L93 Difference]: Finished difference Result 17402 states and 32631 transitions. [2024-11-19 14:48:01,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17402 states and 32631 transitions. [2024-11-19 14:48:01,606 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:01,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17402 states to 17402 states and 32631 transitions. [2024-11-19 14:48:01,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17364 [2024-11-19 14:48:01,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17364 [2024-11-19 14:48:01,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17402 states and 32631 transitions. [2024-11-19 14:48:01,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:01,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17402 states and 32631 transitions. [2024-11-19 14:48:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17402 states and 32631 transitions. [2024-11-19 14:48:01,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17402 to 17394. [2024-11-19 14:48:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17394 states, 17394 states have (on average 1.8752443371277452) internal successors, (32618), 17393 states have internal predecessors, (32618), 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) [2024-11-19 14:48:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17394 states to 17394 states and 32618 transitions. [2024-11-19 14:48:01,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17394 states and 32618 transitions. [2024-11-19 14:48:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:48:01,947 INFO L425 stractBuchiCegarLoop]: Abstraction has 17394 states and 32618 transitions. [2024-11-19 14:48:01,947 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:48:01,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17394 states and 32618 transitions. [2024-11-19 14:48:02,205 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:02,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:02,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:02,206 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:48:02,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:02,206 INFO L745 eck$LassoCheckResult]: Stem: 287588#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 287239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 287240#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 296067#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 292915#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 292916#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 293587#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 279890#L2819 assume !(0 == getOrigin_~person#1); 279891#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 284009#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 284010#L2375 assume !(0 == initPersonOnFloor_~floor#1); 280829#L2402 assume !(1 == initPersonOnFloor_~floor#1); 280830#L2429 assume !(2 == initPersonOnFloor_~floor#1); 283744#L2456 assume 3 == initPersonOnFloor_~floor#1; 283745#L2457 assume !(0 == initPersonOnFloor_~person#1); 295655#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 293159#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 290930#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 284775#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 293194#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 293195#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 284466#L2819-1 assume !(0 == getOrigin_~person#1); 284467#L2823-1 assume !(1 == getOrigin_~person#1); 289003#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 291011#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 296232#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 293556#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 293557#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 279328#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 295119#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 287347#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 285430#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 285431#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 290346#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 290347#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 294808#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 293094#L1647 assume 0 != timeShift_~tmp~14#1; 293095#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 295160#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 295263#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 293661#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 284210#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 284211#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 282460#L1937-2 [2024-11-19 14:48:02,207 INFO L747 eck$LassoCheckResult]: Loop: 282460#L1937-2 assume !false; 282461#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 284115#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 286087#L1946-2 assume !false; 285300#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 285302#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 282460#L1937-2 [2024-11-19 14:48:02,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:02,207 INFO L85 PathProgramCache]: Analyzing trace with hash 132035382, now seen corresponding path program 1 times [2024-11-19 14:48:02,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:02,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598876514] [2024-11-19 14:48:02,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:02,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:02,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598876514] [2024-11-19 14:48:02,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598876514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:02,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:02,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:48:02,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725897445] [2024-11-19 14:48:02,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:02,298 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:02,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 3 times [2024-11-19 14:48:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:02,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329620704] [2024-11-19 14:48:02,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:48:02,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:02,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:48:02,313 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:02,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:02,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:02,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:02,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:48:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:48:02,356 INFO L87 Difference]: Start difference. First operand 17394 states and 32618 transitions. cyclomatic complexity: 15259 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:48:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:02,684 INFO L93 Difference]: Finished difference Result 17398 states and 32621 transitions. [2024-11-19 14:48:02,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17398 states and 32621 transitions. [2024-11-19 14:48:02,745 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:02,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17398 states to 17398 states and 32621 transitions. [2024-11-19 14:48:02,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17360 [2024-11-19 14:48:02,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17360 [2024-11-19 14:48:02,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17398 states and 32621 transitions. [2024-11-19 14:48:02,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:02,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17398 states and 32621 transitions. [2024-11-19 14:48:02,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17398 states and 32621 transitions. [2024-11-19 14:48:03,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17398 to 17398. [2024-11-19 14:48:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17398 states, 17398 states have (on average 1.874985630532245) internal successors, (32621), 17397 states have internal predecessors, (32621), 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) [2024-11-19 14:48:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17398 states to 17398 states and 32621 transitions. [2024-11-19 14:48:03,257 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17398 states and 32621 transitions. [2024-11-19 14:48:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:48:03,258 INFO L425 stractBuchiCegarLoop]: Abstraction has 17398 states and 32621 transitions. [2024-11-19 14:48:03,258 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:48:03,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17398 states and 32621 transitions. [2024-11-19 14:48:03,299 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:03,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:03,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:03,300 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:48:03,300 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:03,300 INFO L745 eck$LassoCheckResult]: Stem: 322388#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 322039#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 322040#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 330870#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 327716#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 327717#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 328388#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 314689#L2819 assume !(0 == getOrigin_~person#1); 314690#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 318809#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 318810#L2375 assume !(0 == initPersonOnFloor_~floor#1); 315628#L2402 assume !(1 == initPersonOnFloor_~floor#1); 315629#L2429 assume !(2 == initPersonOnFloor_~floor#1); 318541#L2456 assume 3 == initPersonOnFloor_~floor#1; 318542#L2457 assume !(0 == initPersonOnFloor_~person#1); 330457#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 327959#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 325730#L2167 assume !(0 == callOnFloor_~floorID#1); 319574#L2170 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 319575#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 327995#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 327996#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 319266#L2819-1 assume !(0 == getOrigin_~person#1); 319267#L2823-1 assume !(1 == getOrigin_~person#1); 323803#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 325811#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 331035#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 328357#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 328358#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 321363#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 331040#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 322143#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 320227#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 320228#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 325144#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 325145#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 329609#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 327895#L1647 assume 0 != timeShift_~tmp~14#1; 327896#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 329962#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 330065#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 328462#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 319010#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 319011#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 317259#L1937-2 [2024-11-19 14:48:03,301 INFO L747 eck$LassoCheckResult]: Loop: 317259#L1937-2 assume !false; 317260#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 318913#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 320884#L1946-2 assume !false; 320099#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 320101#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 317259#L1937-2 [2024-11-19 14:48:03,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1673489519, now seen corresponding path program 1 times [2024-11-19 14:48:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:03,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256523848] [2024-11-19 14:48:03,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:03,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:03,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256523848] [2024-11-19 14:48:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256523848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:03,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:03,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:48:03,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948070056] [2024-11-19 14:48:03,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:03,371 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:03,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:03,372 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 4 times [2024-11-19 14:48:03,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:03,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877269220] [2024-11-19 14:48:03,372 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:48:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:03,384 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:48:03,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:03,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:03,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:03,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:48:03,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:48:03,423 INFO L87 Difference]: Start difference. First operand 17398 states and 32621 transitions. cyclomatic complexity: 15258 Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:48:03,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:03,975 INFO L93 Difference]: Finished difference Result 17404 states and 32626 transitions. [2024-11-19 14:48:03,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17404 states and 32626 transitions. [2024-11-19 14:48:04,049 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:04,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17404 states to 17404 states and 32626 transitions. [2024-11-19 14:48:04,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17366 [2024-11-19 14:48:04,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17366 [2024-11-19 14:48:04,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17404 states and 32626 transitions. [2024-11-19 14:48:04,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:04,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17404 states and 32626 transitions. [2024-11-19 14:48:04,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17404 states and 32626 transitions. [2024-11-19 14:48:04,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17404 to 17404. [2024-11-19 14:48:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17404 states, 17404 states have (on average 1.874626522638474) internal successors, (32626), 17403 states have internal predecessors, (32626), 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) [2024-11-19 14:48:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17404 states to 17404 states and 32626 transitions. [2024-11-19 14:48:04,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17404 states and 32626 transitions. [2024-11-19 14:48:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:48:04,377 INFO L425 stractBuchiCegarLoop]: Abstraction has 17404 states and 32626 transitions. [2024-11-19 14:48:04,377 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-19 14:48:04,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17404 states and 32626 transitions. [2024-11-19 14:48:04,434 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:04,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:04,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:04,435 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:48:04,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:04,436 INFO L745 eck$LassoCheckResult]: Stem: 357198#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 356849#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 356850#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365679#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 362527#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 362528#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 363199#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 349498#L2819 assume !(0 == getOrigin_~person#1); 349499#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 353619#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 353620#L2375 assume !(0 == initPersonOnFloor_~floor#1); 350438#L2402 assume !(1 == initPersonOnFloor_~floor#1); 350439#L2429 assume !(2 == initPersonOnFloor_~floor#1); 353351#L2456 assume 3 == initPersonOnFloor_~floor#1; 353352#L2457 assume !(0 == initPersonOnFloor_~person#1); 365267#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 362770#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 360541#L2167 assume !(0 == callOnFloor_~floorID#1); 354384#L2170 assume !(1 == callOnFloor_~floorID#1); 354385#L2173 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 361473#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 362806#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 362807#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 354076#L2819-1 assume !(0 == getOrigin_~person#1); 354077#L2823-1 assume !(1 == getOrigin_~person#1); 358614#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 360622#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 365844#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 363168#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 363169#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 356173#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 365852#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 356953#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 355037#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 355038#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 359955#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 359956#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 364420#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 362706#L1647 assume 0 != timeShift_~tmp~14#1; 362707#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 364772#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 364875#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 363273#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 353820#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 353821#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 352069#L1937-2 [2024-11-19 14:48:04,436 INFO L747 eck$LassoCheckResult]: Loop: 352069#L1937-2 assume !false; 352070#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 353723#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 355694#L1946-2 assume !false; 354909#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 354911#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 352069#L1937-2 [2024-11-19 14:48:04,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1655087567, now seen corresponding path program 1 times [2024-11-19 14:48:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:04,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281965565] [2024-11-19 14:48:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:04,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:04,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281965565] [2024-11-19 14:48:04,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281965565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:04,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:04,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:48:04,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181872317] [2024-11-19 14:48:04,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:04,518 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:04,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 5 times [2024-11-19 14:48:04,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:04,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111508560] [2024-11-19 14:48:04,519 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:48:04,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:04,536 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:48:04,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:04,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:04,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:04,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:04,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:48:04,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:48:04,568 INFO L87 Difference]: Start difference. First operand 17404 states and 32626 transitions. cyclomatic complexity: 15257 Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-19 14:48:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:05,340 INFO L93 Difference]: Finished difference Result 17412 states and 32633 transitions. [2024-11-19 14:48:05,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17412 states and 32633 transitions. [2024-11-19 14:48:05,416 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:05,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17412 states to 17412 states and 32633 transitions. [2024-11-19 14:48:05,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17374 [2024-11-19 14:48:05,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17374 [2024-11-19 14:48:05,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17412 states and 32633 transitions. [2024-11-19 14:48:05,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:05,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17412 states and 32633 transitions. [2024-11-19 14:48:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17412 states and 32633 transitions. [2024-11-19 14:48:05,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17412 to 17412. [2024-11-19 14:48:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17412 states, 17412 states have (on average 1.87416724098323) internal successors, (32633), 17411 states have internal predecessors, (32633), 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) [2024-11-19 14:48:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17412 states to 17412 states and 32633 transitions. [2024-11-19 14:48:05,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17412 states and 32633 transitions. [2024-11-19 14:48:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:48:05,670 INFO L425 stractBuchiCegarLoop]: Abstraction has 17412 states and 32633 transitions. [2024-11-19 14:48:05,671 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-19 14:48:05,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17412 states and 32633 transitions. [2024-11-19 14:48:05,713 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:05,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:05,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:05,713 INFO L148 hiAutomatonCegarLoop]: 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] [2024-11-19 14:48:05,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:05,714 INFO L745 eck$LassoCheckResult]: Stem: 392022#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 391672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 391673#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 400504#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 397352#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 397353#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 398024#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 384321#L2819 assume !(0 == getOrigin_~person#1); 384322#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 388442#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 388443#L2375 assume !(0 == initPersonOnFloor_~floor#1); 385261#L2402 assume !(1 == initPersonOnFloor_~floor#1); 385262#L2429 assume !(2 == initPersonOnFloor_~floor#1); 388174#L2456 assume 3 == initPersonOnFloor_~floor#1; 388175#L2457 assume !(0 == initPersonOnFloor_~person#1); 400092#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 397595#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 395366#L2167 assume !(0 == callOnFloor_~floorID#1); 389207#L2170 assume !(1 == callOnFloor_~floorID#1); 389208#L2173 assume !(2 == callOnFloor_~floorID#1); 398297#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 396298#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 397631#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 397632#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 388899#L2819-1 assume !(0 == getOrigin_~person#1); 388900#L2823-1 assume !(1 == getOrigin_~person#1); 393438#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 395447#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 400669#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 397993#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 397994#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 390996#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 400681#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 391776#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 389860#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 389861#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 394780#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 394781#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 399245#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 397531#L1647 assume 0 != timeShift_~tmp~14#1; 397532#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 399597#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 399700#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 398098#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 388643#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 388644#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 386891#L1937-2 [2024-11-19 14:48:05,714 INFO L747 eck$LassoCheckResult]: Loop: 386891#L1937-2 assume !false; 386892#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 388546#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 390517#L1946-2 assume !false; 389732#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 389734#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 386891#L1937-2 [2024-11-19 14:48:05,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash -929528020, now seen corresponding path program 1 times [2024-11-19 14:48:05,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:05,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819480232] [2024-11-19 14:48:05,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:05,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819480232] [2024-11-19 14:48:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819480232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:48:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274054404] [2024-11-19 14:48:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:05,825 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 6 times [2024-11-19 14:48:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249003272] [2024-11-19 14:48:05,825 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:48:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:05,837 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 14:48:05,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:05,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:05,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:05,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:05,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:48:05,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:48:05,869 INFO L87 Difference]: Start difference. First operand 17412 states and 32633 transitions. cyclomatic complexity: 15256 Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-19 14:48:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:06,461 INFO L93 Difference]: Finished difference Result 17398 states and 32607 transitions. [2024-11-19 14:48:06,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17398 states and 32607 transitions. [2024-11-19 14:48:06,520 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:06,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17398 states to 17398 states and 32607 transitions. [2024-11-19 14:48:06,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17360 [2024-11-19 14:48:06,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17360 [2024-11-19 14:48:06,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17398 states and 32607 transitions. [2024-11-19 14:48:06,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:06,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17398 states and 32607 transitions. [2024-11-19 14:48:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17398 states and 32607 transitions. [2024-11-19 14:48:06,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17398 to 17398. [2024-11-19 14:48:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17398 states, 17398 states have (on average 1.87418094033797) internal successors, (32607), 17397 states have internal predecessors, (32607), 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) [2024-11-19 14:48:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17398 states to 17398 states and 32607 transitions. [2024-11-19 14:48:06,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17398 states and 32607 transitions. [2024-11-19 14:48:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:48:06,763 INFO L425 stractBuchiCegarLoop]: Abstraction has 17398 states and 32607 transitions. [2024-11-19 14:48:06,763 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-19 14:48:06,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17398 states and 32607 transitions. [2024-11-19 14:48:06,804 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:06,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:06,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:06,805 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:06,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:06,806 INFO L745 eck$LassoCheckResult]: Stem: 426838#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 426489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 426490#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 435313#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 432164#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 432165#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 432833#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 419139#L2819 assume !(0 == getOrigin_~person#1); 419140#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 423261#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 423262#L2375 assume !(0 == initPersonOnFloor_~floor#1); 420079#L2402 assume !(1 == initPersonOnFloor_~floor#1); 420080#L2429 assume !(2 == initPersonOnFloor_~floor#1); 422993#L2456 assume 3 == initPersonOnFloor_~floor#1; 422994#L2457 assume !(0 == initPersonOnFloor_~person#1); 434901#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 432407#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 430178#L2167 assume !(0 == callOnFloor_~floorID#1); 424026#L2170 assume !(1 == callOnFloor_~floorID#1); 424027#L2173 assume !(2 == callOnFloor_~floorID#1); 433106#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 431109#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 432443#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 432444#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 423718#L2819-1 assume !(0 == getOrigin_~person#1); 423719#L2823-1 assume !(1 == getOrigin_~person#1); 428252#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 430259#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 430132#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 425995#L2402-1 assume 1 == initPersonOnFloor_~floor#1; 425996#L2403-2 assume !(0 == initPersonOnFloor_~person#1); 426608#L2406-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 419652#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 435487#L2167-2 assume !(0 == callOnFloor_~floorID#1); 435484#L2170-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 426593#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 424679#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 424680#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 429593#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 429594#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 434054#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 432343#L1647 assume 0 != timeShift_~tmp~14#1; 432344#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 434406#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 434509#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 432907#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 423462#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 423463#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 421710#L1937-2 [2024-11-19 14:48:06,806 INFO L747 eck$LassoCheckResult]: Loop: 421710#L1937-2 assume !false; 421711#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 423365#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 425336#L1946-2 assume !false; 424551#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 424553#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 421710#L1937-2 [2024-11-19 14:48:06,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:06,806 INFO L85 PathProgramCache]: Analyzing trace with hash 897706626, now seen corresponding path program 1 times [2024-11-19 14:48:06,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:06,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942394787] [2024-11-19 14:48:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:06,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:06,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942394787] [2024-11-19 14:48:06,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942394787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:06,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:06,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:48:06,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488899153] [2024-11-19 14:48:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:06,906 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:06,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 7 times [2024-11-19 14:48:06,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:06,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455698181] [2024-11-19 14:48:06,907 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 14:48:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:06,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:06,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:06,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:48:06,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:48:06,942 INFO L87 Difference]: Start difference. First operand 17398 states and 32607 transitions. cyclomatic complexity: 15244 Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-19 14:48:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:07,384 INFO L93 Difference]: Finished difference Result 17392 states and 32594 transitions. [2024-11-19 14:48:07,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17392 states and 32594 transitions. [2024-11-19 14:48:07,448 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:07,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17392 states to 17392 states and 32594 transitions. [2024-11-19 14:48:07,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17354 [2024-11-19 14:48:07,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17354 [2024-11-19 14:48:07,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17392 states and 32594 transitions. [2024-11-19 14:48:07,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:07,517 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17392 states and 32594 transitions. [2024-11-19 14:48:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17392 states and 32594 transitions. [2024-11-19 14:48:07,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17392 to 17392. [2024-11-19 14:48:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17392 states, 17392 states have (on average 1.874080036798528) internal successors, (32594), 17391 states have internal predecessors, (32594), 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) [2024-11-19 14:48:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17392 states to 17392 states and 32594 transitions. [2024-11-19 14:48:07,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17392 states and 32594 transitions. [2024-11-19 14:48:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:48:07,719 INFO L425 stractBuchiCegarLoop]: Abstraction has 17392 states and 32594 transitions. [2024-11-19 14:48:07,719 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-19 14:48:07,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17392 states and 32594 transitions. [2024-11-19 14:48:07,761 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:07,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:07,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:07,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:07,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:07,762 INFO L745 eck$LassoCheckResult]: Stem: 461630#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 461282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 461283#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 470104#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 466956#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 466957#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 467625#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 453937#L2819 assume !(0 == getOrigin_~person#1); 453938#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 458054#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 458055#L2375 assume !(0 == initPersonOnFloor_~floor#1); 454874#L2402 assume !(1 == initPersonOnFloor_~floor#1); 454875#L2429 assume !(2 == initPersonOnFloor_~floor#1); 457786#L2456 assume 3 == initPersonOnFloor_~floor#1; 457787#L2457 assume !(0 == initPersonOnFloor_~person#1); 469692#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 467199#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 464971#L2167 assume !(0 == callOnFloor_~floorID#1); 458819#L2170 assume !(1 == callOnFloor_~floorID#1); 458820#L2173 assume !(2 == callOnFloor_~floorID#1); 467898#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 465902#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 467235#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 467236#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 458511#L2819-1 assume !(0 == getOrigin_~person#1); 458512#L2823-1 assume !(1 == getOrigin_~person#1); 463045#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 465052#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 464925#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 460789#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 460790#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 457347#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 457348#L2433-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 453375#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 470280#L2167-2 assume !(0 == callOnFloor_~floorID#1); 470279#L2170-2 assume !(1 == callOnFloor_~floorID#1); 470278#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 461386#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 459472#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 459473#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 464386#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 464387#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 468845#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 467135#L1647 assume 0 != timeShift_~tmp~14#1; 467136#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 469197#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 469300#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 467699#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 458255#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 458256#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 456505#L1937-2 [2024-11-19 14:48:07,763 INFO L747 eck$LassoCheckResult]: Loop: 456505#L1937-2 assume !false; 456506#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 458158#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 460129#L1946-2 assume !false; 459344#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 459346#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 456505#L1937-2 [2024-11-19 14:48:07,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1058059427, now seen corresponding path program 1 times [2024-11-19 14:48:07,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:07,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927453577] [2024-11-19 14:48:07,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:07,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:08,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:08,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927453577] [2024-11-19 14:48:08,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927453577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:08,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:08,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:48:08,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035448439] [2024-11-19 14:48:08,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:08,031 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:08,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 8 times [2024-11-19 14:48:08,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:08,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30484458] [2024-11-19 14:48:08,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:48:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:08,052 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:48:08,052 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:08,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:08,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:08,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:48:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:48:08,084 INFO L87 Difference]: Start difference. First operand 17392 states and 32594 transitions. cyclomatic complexity: 15237 Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:48:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:08,565 INFO L93 Difference]: Finished difference Result 17408 states and 32606 transitions. [2024-11-19 14:48:08,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17408 states and 32606 transitions. [2024-11-19 14:48:08,642 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:08,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17408 states to 17408 states and 32606 transitions. [2024-11-19 14:48:08,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17370 [2024-11-19 14:48:08,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17370 [2024-11-19 14:48:08,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17408 states and 32606 transitions. [2024-11-19 14:48:08,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:08,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17408 states and 32606 transitions. [2024-11-19 14:48:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17408 states and 32606 transitions. [2024-11-19 14:48:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17408 to 17392. [2024-11-19 14:48:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17392 states, 17392 states have (on average 1.8736200551977922) internal successors, (32586), 17391 states have internal predecessors, (32586), 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) [2024-11-19 14:48:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17392 states to 17392 states and 32586 transitions. [2024-11-19 14:48:08,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17392 states and 32586 transitions. [2024-11-19 14:48:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:48:08,949 INFO L425 stractBuchiCegarLoop]: Abstraction has 17392 states and 32586 transitions. [2024-11-19 14:48:08,949 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-19 14:48:08,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17392 states and 32586 transitions. [2024-11-19 14:48:09,008 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3968 [2024-11-19 14:48:09,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:09,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:09,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:09,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:09,009 INFO L745 eck$LassoCheckResult]: Stem: 496436#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 496088#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 496089#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 504911#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 501763#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 501764#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 502432#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 488744#L2819 assume !(0 == getOrigin_~person#1); 488745#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 492860#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 492861#L2375 assume !(0 == initPersonOnFloor_~floor#1); 489681#L2402 assume !(1 == initPersonOnFloor_~floor#1); 489682#L2429 assume !(2 == initPersonOnFloor_~floor#1); 492592#L2456 assume 3 == initPersonOnFloor_~floor#1; 492593#L2457 assume !(0 == initPersonOnFloor_~person#1); 504499#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 502006#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 499778#L2167 assume !(0 == callOnFloor_~floorID#1); 493625#L2170 assume !(1 == callOnFloor_~floorID#1); 493626#L2173 assume !(2 == callOnFloor_~floorID#1); 502705#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 500709#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 502042#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 502043#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 493317#L2819-1 assume !(0 == getOrigin_~person#1); 493318#L2823-1 assume !(1 == getOrigin_~person#1); 497852#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 499859#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 499732#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 495595#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 495596#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 492153#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 492154#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 499726#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 488182#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 505092#L2167-2 assume !(0 == callOnFloor_~floorID#1); 505091#L2170-2 assume !(1 == callOnFloor_~floorID#1); 505090#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 496192#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 494278#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 494279#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 499193#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 499194#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 503652#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 501942#L1647 assume 0 != timeShift_~tmp~14#1; 501943#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 504004#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 504107#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 502506#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 493061#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 493062#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 491311#L1937-2 [2024-11-19 14:48:09,009 INFO L747 eck$LassoCheckResult]: Loop: 491311#L1937-2 assume !false; 491312#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 492964#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 494935#L1946-2 assume !false; 494150#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 494152#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 491311#L1937-2 [2024-11-19 14:48:09,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:09,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1946841046, now seen corresponding path program 1 times [2024-11-19 14:48:09,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:09,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257332329] [2024-11-19 14:48:09,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:09,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:09,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:09,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257332329] [2024-11-19 14:48:09,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257332329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:09,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:09,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:48:09,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815298904] [2024-11-19 14:48:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:09,108 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:09,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 9 times [2024-11-19 14:48:09,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:09,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216195552] [2024-11-19 14:48:09,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:48:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:09,125 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:48:09,125 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:09,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:09,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:09,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:48:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:48:09,154 INFO L87 Difference]: Start difference. First operand 17392 states and 32586 transitions. cyclomatic complexity: 15229 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:48:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:09,914 INFO L93 Difference]: Finished difference Result 32906 states and 61766 transitions. [2024-11-19 14:48:09,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32906 states and 61766 transitions. [2024-11-19 14:48:10,034 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 6904 [2024-11-19 14:48:10,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32906 states to 32906 states and 61766 transitions. [2024-11-19 14:48:10,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32830 [2024-11-19 14:48:10,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32830 [2024-11-19 14:48:10,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32906 states and 61766 transitions. [2024-11-19 14:48:10,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:10,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32906 states and 61766 transitions. [2024-11-19 14:48:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32906 states and 61766 transitions. [2024-11-19 14:48:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32906 to 27894. [2024-11-19 14:48:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27894 states, 27894 states have (on average 1.8741664874166488) internal successors, (52278), 27893 states have internal predecessors, (52278), 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) [2024-11-19 14:48:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27894 states to 27894 states and 52278 transitions. [2024-11-19 14:48:10,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27894 states and 52278 transitions. [2024-11-19 14:48:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:48:10,854 INFO L425 stractBuchiCegarLoop]: Abstraction has 27894 states and 52278 transitions. [2024-11-19 14:48:10,854 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-19 14:48:10,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27894 states and 52278 transitions. [2024-11-19 14:48:10,923 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 6904 [2024-11-19 14:48:10,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:10,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:10,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:10,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:10,925 INFO L745 eck$LassoCheckResult]: Stem: 546808#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 546452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 546453#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 555893#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 552339#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 552340#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 553062#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 539049#L2819 assume !(0 == getOrigin_~person#1); 539050#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 543189#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 543190#L2375 assume !(0 == initPersonOnFloor_~floor#1); 539987#L2402 assume !(1 == initPersonOnFloor_~floor#1); 539988#L2429 assume !(2 == initPersonOnFloor_~floor#1); 542920#L2456 assume 3 == initPersonOnFloor_~floor#1; 542921#L2457 assume !(0 == initPersonOnFloor_~person#1); 555381#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 552596#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 550255#L2167 assume !(0 == callOnFloor_~floorID#1); 543959#L2170 assume !(1 == callOnFloor_~floorID#1); 543960#L2173 assume !(2 == callOnFloor_~floorID#1); 553349#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 551221#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 552632#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 552633#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 543649#L2819-1 assume !(0 == getOrigin_~person#1); 543650#L2823-1 assume !(1 == getOrigin_~person#1); 548257#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 550337#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 550207#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 545957#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 545958#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 542472#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 542473#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 550200#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 538486#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 556143#L2167-2 assume !(0 == callOnFloor_~floorID#1); 556142#L2170-2 assume !(1 == callOnFloor_~floorID#1); 556141#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 546559#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 544617#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 544618#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 549645#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 549646#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 554406#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 552528#L1647 assume !(0 != timeShift_~tmp~14#1);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 548659#L1367-1 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 545125#getCurrentFloorID_returnLabel#2 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 545126#L703-2 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 538825#buttonForFloorIsPressed_returnLabel#3 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 544351#stopRequestedAtCurrentFloor_returnLabel#2 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 543509#L1514-2 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 543510#L1605-3 assume !(1 == ~doorState~0); 545406#L1605-5 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~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 548711#L1270-2 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 541877#isAnyLiftButtonPressed_returnLabel#3 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 548016#L1243-2 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 543136#L890-8 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 543137#L1059-8 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 539882#stopRequestedInDirection__wrappee__weight_returnLabel#9 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 540565#stopRequestedInDirection_returnLabel#3 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 540566#L1613-2 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 548036#L1305-3 assume !(1 == ~currentHeading~0); 548038#L1315-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 539566#L1315-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 552472#L1321-7 havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 539631#L1622-5 havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 554791#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 554911#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 553141#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 543393#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 543394#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 557187#L1937-2 [2024-11-19 14:48:10,925 INFO L747 eck$LassoCheckResult]: Loop: 557187#L1937-2 assume !false; 557186#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 557185#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 557184#L1946-2 assume !false; 557182#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 557183#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 557187#L1937-2 [2024-11-19 14:48:10,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1502347685, now seen corresponding path program 1 times [2024-11-19 14:48:10,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:10,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248977351] [2024-11-19 14:48:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:11,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:11,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248977351] [2024-11-19 14:48:11,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248977351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:11,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:11,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 14:48:11,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168785611] [2024-11-19 14:48:11,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:11,063 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:11,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:11,064 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 10 times [2024-11-19 14:48:11,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:11,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868422388] [2024-11-19 14:48:11,064 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:48:11,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:11,075 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:48:11,075 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:11,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:11,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:11,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 14:48:11,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 14:48:11,103 INFO L87 Difference]: Start difference. First operand 27894 states and 52278 transitions. cyclomatic complexity: 24454 Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 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) [2024-11-19 14:48:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:12,084 INFO L93 Difference]: Finished difference Result 27005 states and 50210 transitions. [2024-11-19 14:48:12,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27005 states and 50210 transitions. [2024-11-19 14:48:12,175 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8216 [2024-11-19 14:48:12,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27005 states to 27005 states and 50210 transitions. [2024-11-19 14:48:12,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26891 [2024-11-19 14:48:12,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26891 [2024-11-19 14:48:12,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27005 states and 50210 transitions. [2024-11-19 14:48:12,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:12,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27005 states and 50210 transitions. [2024-11-19 14:48:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27005 states and 50210 transitions. [2024-11-19 14:48:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27005 to 27005. [2024-11-19 14:48:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27005 states, 27005 states have (on average 1.85928531753379) internal successors, (50210), 27004 states have internal predecessors, (50210), 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) [2024-11-19 14:48:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27005 states to 27005 states and 50210 transitions. [2024-11-19 14:48:12,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27005 states and 50210 transitions. [2024-11-19 14:48:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 14:48:12,586 INFO L425 stractBuchiCegarLoop]: Abstraction has 27005 states and 50210 transitions. [2024-11-19 14:48:12,586 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-19 14:48:12,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27005 states and 50210 transitions. [2024-11-19 14:48:12,652 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8216 [2024-11-19 14:48:12,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:12,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:12,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:12,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:12,653 INFO L745 eck$LassoCheckResult]: Stem: 600901#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 600571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 600572#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 609239#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 605980#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 605981#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 606631#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 593883#L2819 assume !(0 == getOrigin_~person#1); 593884#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 597603#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 597604#L2375 assume !(0 == initPersonOnFloor_~floor#1); 594729#L2402 assume !(1 == initPersonOnFloor_~floor#1); 594730#L2429 assume !(2 == initPersonOnFloor_~floor#1); 597353#L2456 assume 3 == initPersonOnFloor_~floor#1; 597354#L2457 assume !(0 == initPersonOnFloor_~person#1); 608746#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 606211#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 604079#L2167 assume !(0 == callOnFloor_~floorID#1); 598294#L2170 assume !(1 == callOnFloor_~floorID#1); 598295#L2173 assume !(2 == callOnFloor_~floorID#1); 606909#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 604955#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 606242#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 606243#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 598009#L2819-1 assume !(0 == getOrigin_~person#1); 598010#L2823-1 assume !(1 == getOrigin_~person#1); 602232#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 604153#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 604036#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 600124#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 600125#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 596948#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 596949#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 604028#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 593374#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 609699#L2167-2 assume !(0 == callOnFloor_~floorID#1); 609698#L2170-2 assume !(1 == callOnFloor_~floorID#1); 609697#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 600669#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 598891#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 598892#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 603515#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 603516#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 607862#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 606147#L1647 assume 0 != timeShift_~tmp~14#1; 606148#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 607717#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 598985#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 598986#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 593355#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 593549#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 593550#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 596202#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 602491#L1605-2 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~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 602492#L1270 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 603421#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 606080#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 595354#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 595355#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 595567#stopRequestedInDirection__wrappee__weight_returnLabel#3 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 601919#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 606699#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 607028#L1305 assume !(1 == ~currentHeading~0); 594778#L1315 assume !(0 == ~currentFloorID~0); 594779#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 603020#L1321-1 havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 597733#L1622-2 havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 609518#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 609505#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 609506#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 609517#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 609665#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 609666#L1937-2 [2024-11-19 14:48:12,654 INFO L747 eck$LassoCheckResult]: Loop: 609666#L1937-2 assume !false; 609664#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 609650#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 609647#L1946-2 assume !false; 609644#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 609645#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 609666#L1937-2 [2024-11-19 14:48:12,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:12,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1647903435, now seen corresponding path program 1 times [2024-11-19 14:48:12,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:12,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508518411] [2024-11-19 14:48:12,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:12,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:13,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:13,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508518411] [2024-11-19 14:48:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508518411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:13,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:13,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:48:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670622226] [2024-11-19 14:48:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:13,027 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:13,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 11 times [2024-11-19 14:48:13,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802490068] [2024-11-19 14:48:13,028 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:48:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:13,046 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:48:13,047 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:13,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:13,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:13,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:48:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:48:13,087 INFO L87 Difference]: Start difference. First operand 27005 states and 50210 transitions. cyclomatic complexity: 23333 Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 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) [2024-11-19 14:48:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:14,142 INFO L93 Difference]: Finished difference Result 41267 states and 76383 transitions. [2024-11-19 14:48:14,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41267 states and 76383 transitions. [2024-11-19 14:48:14,327 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12638 [2024-11-19 14:48:14,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41267 states to 41267 states and 76383 transitions. [2024-11-19 14:48:14,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41117 [2024-11-19 14:48:14,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41117 [2024-11-19 14:48:14,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41267 states and 76383 transitions. [2024-11-19 14:48:14,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:14,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41267 states and 76383 transitions. [2024-11-19 14:48:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41267 states and 76383 transitions. [2024-11-19 14:48:15,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41267 to 41265. [2024-11-19 14:48:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41265 states, 41265 states have (on average 1.8509875196898098) internal successors, (76381), 41264 states have internal predecessors, (76381), 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) [2024-11-19 14:48:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41265 states to 41265 states and 76381 transitions. [2024-11-19 14:48:15,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41265 states and 76381 transitions. [2024-11-19 14:48:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:48:15,373 INFO L425 stractBuchiCegarLoop]: Abstraction has 41265 states and 76381 transitions. [2024-11-19 14:48:15,373 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-19 14:48:15,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41265 states and 76381 transitions. [2024-11-19 14:48:15,473 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12638 [2024-11-19 14:48:15,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:15,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:15,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:15,474 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:15,475 INFO L745 eck$LassoCheckResult]: Stem: 669185#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 668857#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 668858#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 677447#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 674253#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 674254#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 674887#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 662158#L2819 assume !(0 == getOrigin_~person#1); 662159#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 665883#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 665884#L2375 assume !(0 == initPersonOnFloor_~floor#1); 663009#L2402 assume !(1 == initPersonOnFloor_~floor#1); 663010#L2429 assume !(2 == initPersonOnFloor_~floor#1); 665633#L2456 assume 3 == initPersonOnFloor_~floor#1; 665634#L2457 assume !(0 == initPersonOnFloor_~person#1); 676969#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 674478#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 672365#L2167 assume !(0 == callOnFloor_~floorID#1); 666575#L2170 assume !(1 == callOnFloor_~floorID#1); 666576#L2173 assume !(2 == callOnFloor_~floorID#1); 675159#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 673239#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 674508#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 674509#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 666288#L2819-1 assume !(0 == getOrigin_~person#1); 666289#L2823-1 assume !(1 == getOrigin_~person#1); 670524#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 672441#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 672322#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 668410#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 668411#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 665233#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 665234#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 672315#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 661650#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 677908#L2167-2 assume !(0 == callOnFloor_~floorID#1); 677907#L2170-2 assume !(1 == callOnFloor_~floorID#1); 677906#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 668954#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 667175#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 667176#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 671811#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 671812#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 676102#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 674412#L1647 assume 0 != timeShift_~tmp~14#1; 674413#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 675955#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 667269#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 667270#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 661631#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 661823#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 661824#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 664483#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 670780#L1605-2 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~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 670781#L1270 assume !(0 != ~floorButtons_0~0); 671718#L1274 assume 0 != ~floorButtons_1~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 673584#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 674349#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 663637#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 663638#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 663850#stopRequestedInDirection__wrappee__weight_returnLabel#3 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 670214#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 674953#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 675271#L1305 assume !(1 == ~currentHeading~0); 663059#L1315 assume !(0 == ~currentFloorID~0); 663060#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 671309#L1321-1 havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 666013#L1622-2 havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 677729#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 677716#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 677717#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 677728#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 677843#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 677844#L1937-2 [2024-11-19 14:48:15,476 INFO L747 eck$LassoCheckResult]: Loop: 677844#L1937-2 assume !false; 677841#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 677842#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 677871#L1946-2 assume !false; 677862#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 677863#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 677844#L1937-2 [2024-11-19 14:48:15,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:15,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1142994221, now seen corresponding path program 1 times [2024-11-19 14:48:15,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:15,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602818159] [2024-11-19 14:48:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:15,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:15,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602818159] [2024-11-19 14:48:15,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602818159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:15,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:48:15,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950698198] [2024-11-19 14:48:15,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:15,540 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:15,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:15,540 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 12 times [2024-11-19 14:48:15,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:15,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810034145] [2024-11-19 14:48:15,540 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:48:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:15,552 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 14:48:15,553 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:48:15,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:15,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:15,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:48:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:48:15,581 INFO L87 Difference]: Start difference. First operand 41265 states and 76381 transitions. cyclomatic complexity: 35302 Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 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) [2024-11-19 14:48:17,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:17,070 INFO L93 Difference]: Finished difference Result 69597 states and 128417 transitions. [2024-11-19 14:48:17,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69597 states and 128417 transitions. [2024-11-19 14:48:17,308 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21446 [2024-11-19 14:48:17,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69597 states to 69597 states and 128417 transitions. [2024-11-19 14:48:17,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69379 [2024-11-19 14:48:17,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69379 [2024-11-19 14:48:17,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69597 states and 128417 transitions. [2024-11-19 14:48:17,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:17,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69597 states and 128417 transitions. [2024-11-19 14:48:17,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69597 states and 128417 transitions. [2024-11-19 14:48:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69597 to 69593. [2024-11-19 14:48:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69593 states, 69593 states have (on average 1.8451999482706594) internal successors, (128413), 69592 states have internal predecessors, (128413), 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) [2024-11-19 14:48:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69593 states to 69593 states and 128413 transitions. [2024-11-19 14:48:18,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69593 states and 128413 transitions. [2024-11-19 14:48:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:48:18,646 INFO L425 stractBuchiCegarLoop]: Abstraction has 69593 states and 128413 transitions. [2024-11-19 14:48:18,646 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-19 14:48:18,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69593 states and 128413 transitions. [2024-11-19 14:48:18,823 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21446 [2024-11-19 14:48:18,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:48:18,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:48:18,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:48:18,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:48:18,824 INFO L745 eck$LassoCheckResult]: Stem: 780083#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 779757#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 779758#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 788624#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 785223#valid_product_returnLabel#1 main_#t~ret128#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 785224#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 785893#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 773027#L2819 assume !(0 == getOrigin_~person#1); 773028#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 776767#getOrigin_returnLabel#1 aliceCall_#t~ret117#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 776768#L2375 assume !(0 == initPersonOnFloor_~floor#1); 773870#L2402 assume !(1 == initPersonOnFloor_~floor#1); 773871#L2429 assume !(2 == initPersonOnFloor_~floor#1); 776520#L2456 assume 3 == initPersonOnFloor_~floor#1; 776521#L2457 assume !(0 == initPersonOnFloor_~person#1); 788096#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 785455#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 783297#L2167 assume !(0 == callOnFloor_~floorID#1); 777467#L2170 assume !(1 == callOnFloor_~floorID#1); 777468#L2173 assume !(2 == callOnFloor_~floorID#1); 786181#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 784192#L2179-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 785489#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 785490#aliceCall_returnLabel#1 havoc aliceCall_#t~ret117#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 777177#L2819-1 assume !(0 == getOrigin_~person#1); 777178#L2823-1 assume !(1 == getOrigin_~person#1); 781433#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 783372#getOrigin_returnLabel#2 angelinaCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~22#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 783253#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 779296#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 779297#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 776113#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 776114#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 783247#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 772519#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 789147#L2167-2 assume !(0 == callOnFloor_~floorID#1); 789146#L2170-2 assume !(1 == callOnFloor_~floorID#1); 789145#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 779853#L2179-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 778068#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 778069#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 782727#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 782728#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret129#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 787179#areDoorsOpen_returnLabel#1 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 785390#L1647 assume 0 != timeShift_~tmp~14#1; 785391#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 787027#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 778165#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 778166#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 772500#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 772691#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 772692#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 775357#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 781693#L1605-2 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~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 781694#L1270 assume !(0 != ~floorButtons_0~0); 782635#L1274 assume !(0 != ~floorButtons_1~0); 786737#L1278 assume 0 != ~floorButtons_2~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 784539#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 785321#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 774504#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 774505#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 774719#stopRequestedInDirection__wrappee__weight_returnLabel#3 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 781120#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 785962#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 786301#L1305 assume !(1 == ~currentHeading~0); 773921#L1315 assume !(0 == ~currentFloorID~0); 773922#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 782229#L1321-1 havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 776897#L1622-2 havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 788974#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 788961#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 788962#L3306 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 788973#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 789072#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 789073#L1937-2 [2024-11-19 14:48:18,824 INFO L747 eck$LassoCheckResult]: Loop: 789073#L1937-2 assume !false; 789070#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 789071#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 789112#L1946-2 assume !false; 789102#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 789093#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 789073#L1937-2 [2024-11-19 14:48:18,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:18,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1071081168, now seen corresponding path program 1 times [2024-11-19 14:48:18,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:18,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789776433] [2024-11-19 14:48:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:48:18,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:48:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:48:18,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:48:18,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789776433] [2024-11-19 14:48:18,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789776433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:48:18,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:48:18,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:48:18,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163087826] [2024-11-19 14:48:18,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:48:18,885 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:48:18,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:48:18,885 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 13 times [2024-11-19 14:48:18,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:48:18,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261221468] [2024-11-19 14:48:18,885 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 14:48:18,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:48:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:18,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:48:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:48:18,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:48:18,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:48:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:48:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:48:18,928 INFO L87 Difference]: Start difference. First operand 69593 states and 128413 transitions. cyclomatic complexity: 59122 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 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) [2024-11-19 14:48:20,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:48:20,766 INFO L93 Difference]: Finished difference Result 125843 states and 231599 transitions. [2024-11-19 14:48:20,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125843 states and 231599 transitions. [2024-11-19 14:48:21,368 INFO L131 ngComponentsAnalysis]: Automaton has 514 accepting balls. 38970 [2024-11-19 14:48:22,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125843 states to 125843 states and 231599 transitions. [2024-11-19 14:48:22,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125493 [2024-11-19 14:48:22,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125493 [2024-11-19 14:48:22,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125843 states and 231599 transitions. [2024-11-19 14:48:22,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:48:22,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125843 states and 231599 transitions. [2024-11-19 14:48:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125843 states and 231599 transitions.