./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product32.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 e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:42:25,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:42:25,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:42:25,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:42:25,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:42:25,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:42:25,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:42:25,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:42:25,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:42:25,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:42:25,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:42:25,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:42:25,975 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:42:25,975 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:42:25,977 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:42:25,977 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:42:25,977 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:42:25,978 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:42:25,978 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:42:25,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:42:25,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:42:25,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:42:25,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:42:25,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:42:25,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:42:25,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:42:25,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:42:25,981 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:42:25,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:42:25,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:42:25,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:42:25,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:42:25,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:42:25,982 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:42:25,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb [2024-11-20 22:42:26,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:42:26,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:42:26,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:42:26,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:42:26,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:42:26,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2024-11-20 22:42:27,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:42:27,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:42:27,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2024-11-20 22:42:27,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73abba043/43c99e78926e418c9702c30dd2778d79/FLAGe6dc4bfc5 [2024-11-20 22:42:28,082 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73abba043/43c99e78926e418c9702c30dd2778d79 [2024-11-20 22:42:28,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:42:28,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:42:28,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:42:28,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:42:28,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:42:28,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:28,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b11acc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28, skipping insertion in model container [2024-11-20 22:42:28,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:28,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:42:28,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:42:28,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:42:28,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-20 22:42:28,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [57] [2024-11-20 22:42:28,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [160] [2024-11-20 22:42:28,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [251] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [604] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [1271] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1391] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1426] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1792] [2024-11-20 22:42:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3453] [2024-11-20 22:42:28,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:42:28,819 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:42:28,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28 WrapperNode [2024-11-20 22:42:28,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:42:28,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:42:28,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:42:28,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:42:28,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:28,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:29,392 INFO L138 Inliner]: procedures = 97, calls = 355, calls flagged for inlining = 207, calls inlined = 2065, statements flattened = 69873 [2024-11-20 22:42:29,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:42:29,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:42:29,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:42:29,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:42:29,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:29,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:29,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:29,840 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]. [2024-11-20 22:42:29,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:29,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:42:30,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:42:30,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:42:30,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:42:30,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (1/1) ... [2024-11-20 22:42:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:30,838 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) [2024-11-20 22:42:30,840 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 [2024-11-20 22:42:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:42:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:42:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 22:42:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-20 22:42:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-20 22:42:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:42:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:42:31,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:42:31,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:42:50,557 INFO L? ?]: Removed 30382 outVars from TransFormulas that were not future-live. [2024-11-20 22:42:50,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:42:50,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:42:50,756 INFO L316 CfgBuilder]: Removed 61 assume(true) statements. [2024-11-20 22:42:50,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:50 BoogieIcfgContainer [2024-11-20 22:42:50,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:42:50,758 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:42:50,758 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:42:50,761 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:42:50,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:42:50,762 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:42:28" (1/3) ... [2024-11-20 22:42:50,763 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d86eb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:50, skipping insertion in model container [2024-11-20 22:42:50,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:42:50,763 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:28" (2/3) ... [2024-11-20 22:42:50,765 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d86eb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:50, skipping insertion in model container [2024-11-20 22:42:50,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:42:50,765 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:50" (3/3) ... [2024-11-20 22:42:50,766 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product32.cil.c [2024-11-20 22:42:51,023 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:42:51,023 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:42:51,023 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:42:51,024 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:42:51,024 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:42:51,024 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:42:51,024 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:42:51,024 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:42:51,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18492 states, 18491 states have (on average 1.8741549943215619) internal successors, (34655), 18491 states have internal predecessors, (34655), 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) [2024-11-20 22:42:51,337 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4184 [2024-11-20 22:42:51,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:42:51,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:42:51,346 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] [2024-11-20 22:42:51,346 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:42:51,346 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:42:51,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18492 states, 18491 states have (on average 1.8741549943215619) internal successors, (34655), 18491 states have internal predecessors, (34655), 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) [2024-11-20 22:42:51,564 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4184 [2024-11-20 22:42:51,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:42:51,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:42:51,567 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] [2024-11-20 22:42:51,567 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:42:51,576 INFO L745 eck$LassoCheckResult]: Stem: 4896#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 4611#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 17129#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16827#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 9996#valid_product_returnLabel#1true main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 3998#L591true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 10852#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 6768#L1317true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 2574#getOrigin_returnLabel#1true aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 13503#L964true assume 0 == initPersonOnFloor_~floor#1; 17894#L965true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 390#L1072-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 13212#L756true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 11224#L768-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 10324#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 16771#aliceCall_returnLabel#1true havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 14637#L1317-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 9702#getOrigin_returnLabel#2true angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 817#L964-1true assume 0 == initPersonOnFloor_~floor#1; 6155#L965-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 5687#L1072-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 10102#L756-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6970#L768-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3389#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7683#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 7100#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 12920#__utac_acc__Specification13_spec__1_returnLabel#1true havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 14708#areDoorsOpen_returnLabel#1true timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 978#L3060true assume 0 != timeShift_~tmp~29#1; 9983#L3061true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9254#L3060-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 17953#L188true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 7645#L189true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 2919#L3280true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 15186#L3284-2true [2024-11-20 22:42:51,576 INFO L747 eck$LassoCheckResult]: Loop: 15186#L3284-2true assume !false; 3452#L3285true assume existInLiftCallsInDirection_~i~3#1 < 5; 5594#L3286true assume !(0 == existInLiftCallsInDirection_~i~3#1); 12435#$Ultimate##7260true assume !(1 == existInLiftCallsInDirection_~i~3#1); 10042#$Ultimate##7264true assume !(2 == existInLiftCallsInDirection_~i~3#1); 4094#$Ultimate##7268true assume !(3 == existInLiftCallsInDirection_~i~3#1); 11120#$Ultimate##7272true assume !(4 == existInLiftCallsInDirection_~i~3#1); 3560#L3327-1true existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 15186#L3284-2true [2024-11-20 22:42:51,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:51,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1516016117, now seen corresponding path program 1 times [2024-11-20 22:42:51,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:42:51,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335295372] [2024-11-20 22:42:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:42:51,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:42:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:42:51,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:42:51,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335295372] [2024-11-20 22:42:51,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335295372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:42:51,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:42:51,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:42:51,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405127049] [2024-11-20 22:42:51,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:42:51,978 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:42:51,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1774605181, now seen corresponding path program 1 times [2024-11-20 22:42:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:42:51,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915284126] [2024-11-20 22:42:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:42:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:42:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:42:52,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:42:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:42:52,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:42:52,109 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:42:52,110 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:42:52,110 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:42:52,110 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:42:52,110 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:42:52,110 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,110 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:42:52,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:42:52,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration1_Loop [2024-11-20 22:42:52,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:42:52,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:42:52,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:42:52,200 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:42:52,201 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:42:52,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:52,209 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) [2024-11-20 22:42:52,213 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 [2024-11-20 22:42:52,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:42:52,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:42:52,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-20 22:42:52,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:52,238 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) [2024-11-20 22:42:52,241 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 [2024-11-20 22:42:52,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:42:52,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:42:52,265 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:42:52,271 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 [2024-11-20 22:42:52,271 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:42:52,271 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:42:52,271 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:42:52,272 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:42:52,272 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:42:52,272 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,272 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:42:52,272 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:42:52,272 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration1_Loop [2024-11-20 22:42:52,272 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:42:52,272 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:42:52,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:42:52,326 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:42:52,331 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:42:52,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:52,337 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) [2024-11-20 22:42:52,342 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 [2024-11-20 22:42:52,343 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 [2024-11-20 22:42:52,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:42:52,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:42:52,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:42:52,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:42:52,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:42:52,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:42:52,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:42:52,361 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:42:52,367 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:42:52,367 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:42:52,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:52,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:52,372 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) [2024-11-20 22:42:52,374 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 [2024-11-20 22:42:52,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:42:52,374 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:42:52,375 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:42:52,375 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~3#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~3#1 Supporting invariants [] [2024-11-20 22:42:52,382 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 [2024-11-20 22:42:52,389 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:42:52,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:52,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:42:52,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:42:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:52,591 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:42:52,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:42:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:42:52,784 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 [2024-11-20 22:42:52,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18492 states, 18491 states have (on average 1.8741549943215619) internal successors, (34655), 18491 states have internal predecessors, (34655), 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) [2024-11-20 22:42:53,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-20 22:42:54,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18492 states, 18491 states have (on average 1.8741549943215619) internal successors, (34655), 18491 states have internal predecessors, (34655), 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 48202 states and 90276 transitions. Complement of second has 18 states. [2024-11-20 22:42:54,530 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 [2024-11-20 22:42:54,535 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) [2024-11-20 22:42:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62485 transitions. [2024-11-20 22:42:54,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62485 transitions. Stem has 34 letters. Loop has 8 letters. [2024-11-20 22:42:54,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:54,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62485 transitions. Stem has 42 letters. Loop has 8 letters. [2024-11-20 22:42:54,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:54,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62485 transitions. Stem has 34 letters. Loop has 16 letters. [2024-11-20 22:42:54,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:54,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48202 states and 90276 transitions. [2024-11-20 22:42:54,784 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8286 [2024-11-20 22:42:54,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48202 states to 33271 states and 62229 transitions. [2024-11-20 22:42:54,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33241 [2024-11-20 22:42:54,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33242 [2024-11-20 22:42:54,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33271 states and 62229 transitions. [2024-11-20 22:42:54,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:42:54,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33271 states and 62229 transitions. [2024-11-20 22:42:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33271 states and 62229 transitions. [2024-11-20 22:42:55,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33271 to 33245. [2024-11-20 22:42:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33245 states, 33245 states have (on average 1.8706572416904799) internal successors, (62190), 33244 states have internal predecessors, (62190), 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) [2024-11-20 22:42:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33245 states to 33245 states and 62190 transitions. [2024-11-20 22:42:55,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33245 states and 62190 transitions. [2024-11-20 22:42:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:42:55,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:42:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:42:55,825 INFO L87 Difference]: Start difference. First operand 33245 states and 62190 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) [2024-11-20 22:42:56,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:42:56,854 INFO L93 Difference]: Finished difference Result 33227 states and 62059 transitions. [2024-11-20 22:42:56,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33227 states and 62059 transitions. [2024-11-20 22:42:56,998 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8270 [2024-11-20 22:42:57,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33227 states to 33218 states and 62050 transitions. [2024-11-20 22:42:57,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33199 [2024-11-20 22:42:57,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33199 [2024-11-20 22:42:57,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33218 states and 62050 transitions. [2024-11-20 22:42:57,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:42:57,135 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33218 states and 62050 transitions. [2024-11-20 22:42:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33218 states and 62050 transitions. [2024-11-20 22:42:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33218 to 18479. [2024-11-20 22:42:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18479 states, 18479 states have (on average 1.8680123383299962) internal successors, (34519), 18478 states have internal predecessors, (34519), 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) [2024-11-20 22:42:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 34519 transitions. [2024-11-20 22:42:57,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18479 states and 34519 transitions. [2024-11-20 22:42:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:42:57,606 INFO L425 stractBuchiCegarLoop]: Abstraction has 18479 states and 34519 transitions. [2024-11-20 22:42:57,607 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:42:57,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18479 states and 34519 transitions. [2024-11-20 22:42:57,656 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:42:57,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:42:57,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:42:57,657 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] [2024-11-20 22:42:57,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:42:57,658 INFO L745 eck$LassoCheckResult]: Stem: 142833#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 142398#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 142399#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 151692#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 148389#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 141423#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 141424#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 145275#L1317 assume !(0 == getOrigin_~person#1); 144711#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 139006#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 139007#L964 assume 0 == initPersonOnFloor_~floor#1; 150706#L965 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 134376#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 134377#L756 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 134694#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 148658#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 148659#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 151176#L1317-1 assume !(0 == getOrigin_~person#1); 145096#L1321-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 143557#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 135419#L964-1 assume 0 == initPersonOnFloor_~floor#1; 135420#L965-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 133347#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 143905#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 140543#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 140421#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 140422#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 145650#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 145651#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 150399#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 135792#L3060 assume 0 != timeShift_~tmp~29#1; 135794#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 147777#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 147778#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 146235#L189 assume !(1 == ~prevDir~0); 146236#L215 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~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 137153#L3280-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 137154#L3284-8 [2024-11-20 22:42:57,659 INFO L747 eck$LassoCheckResult]: Loop: 137154#L3284-8 assume !false; 145316#L3285-2 assume existInLiftCallsInDirection_~i~3#1 < 5; 145317#L3286-2 assume !(0 == existInLiftCallsInDirection_~i~3#1); 146582#$Ultimate##7416 assume !(1 == existInLiftCallsInDirection_~i~3#1); 135058#$Ultimate##7420 assume !(2 == existInLiftCallsInDirection_~i~3#1); 135122#$Ultimate##7424 assume !(3 == existInLiftCallsInDirection_~i~3#1); 139693#$Ultimate##7428 assume !(4 == existInLiftCallsInDirection_~i~3#1); 150737#L3327-5 existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 137154#L3284-8 [2024-11-20 22:42:57,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1974371470, now seen corresponding path program 1 times [2024-11-20 22:42:57,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:42:57,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378725094] [2024-11-20 22:42:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:42:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:42:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:42:57,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:42:57,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378725094] [2024-11-20 22:42:57,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378725094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:42:57,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:42:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:42:57,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005940673] [2024-11-20 22:42:57,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:42:57,801 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:42:57,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 581704573, now seen corresponding path program 1 times [2024-11-20 22:42:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:42:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799443247] [2024-11-20 22:42:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:42:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:42:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:42:57,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:42:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:42:57,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:42:57,859 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:42:57,860 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:42:57,860 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:42:57,860 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:42:57,860 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:42:57,860 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:57,860 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:42:57,860 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:42:57,860 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration2_Loop [2024-11-20 22:42:57,860 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:42:57,861 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:42:57,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:42:57,900 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:42:57,901 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:42:57,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:57,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:57,905 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) [2024-11-20 22:42:57,906 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 [2024-11-20 22:42:57,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:42:57,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:42:57,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-20 22:42:57,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:57,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:57,930 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) [2024-11-20 22:42:57,935 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 [2024-11-20 22:42:57,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:42:57,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:42:57,959 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:42:57,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-20 22:42:57,970 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:42:57,970 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:42:57,970 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:42:57,970 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:42:57,970 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:42:57,970 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:57,970 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:42:57,970 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:42:57,970 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration2_Loop [2024-11-20 22:42:57,970 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:42:57,970 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:42:57,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:42:58,011 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:42:58,011 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:42:58,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:58,013 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) [2024-11-20 22:42:58,014 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 [2024-11-20 22:42:58,016 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 [2024-11-20 22:42:58,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:42:58,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:42:58,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:42:58,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:42:58,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:42:58,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:42:58,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:42:58,028 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:42:58,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:42:58,031 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:42:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:42:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:42:58,033 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) [2024-11-20 22:42:58,034 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 [2024-11-20 22:42:58,035 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:42:58,035 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:42:58,035 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:42:58,035 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~3#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~3#1 Supporting invariants [] [2024-11-20 22:42:58,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-20 22:42:58,041 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:42:58,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:42:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:58,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:42:58,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:42:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:42:58,165 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:42:58,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:42:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:42:58,289 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 [2024-11-20 22:42:58,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18479 states and 34519 transitions. cyclomatic complexity: 16074 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) [2024-11-20 22:42:58,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-20 22:42:59,193 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18479 states and 34519 transitions. cyclomatic complexity: 16074. 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 33274 states and 62133 transitions. Complement of second has 17 states. [2024-11-20 22:42:59,194 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 [2024-11-20 22:42:59,195 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) [2024-11-20 22:42:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34506 transitions. [2024-11-20 22:42:59,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34506 transitions. Stem has 37 letters. Loop has 8 letters. [2024-11-20 22:42:59,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:59,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34506 transitions. Stem has 45 letters. Loop has 8 letters. [2024-11-20 22:42:59,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:59,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34506 transitions. Stem has 37 letters. Loop has 16 letters. [2024-11-20 22:42:59,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:42:59,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33274 states and 62133 transitions. [2024-11-20 22:42:59,465 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8284 [2024-11-20 22:42:59,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33274 states to 33268 states and 62127 transitions. [2024-11-20 22:42:59,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33219 [2024-11-20 22:42:59,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33220 [2024-11-20 22:42:59,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33268 states and 62127 transitions. [2024-11-20 22:42:59,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:42:59,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33268 states and 62127 transitions. [2024-11-20 22:42:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33268 states and 62127 transitions. [2024-11-20 22:42:59,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33268 to 18503. [2024-11-20 22:42:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18503 states, 18503 states have (on average 1.8676430849051504) internal successors, (34557), 18502 states have internal predecessors, (34557), 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) [2024-11-20 22:42:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18503 states to 18503 states and 34557 transitions. [2024-11-20 22:42:59,998 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18503 states and 34557 transitions. [2024-11-20 22:42:59,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:42:59,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:42:59,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:42:59,999 INFO L87 Difference]: Start difference. First operand 18503 states and 34557 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) [2024-11-20 22:43:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:00,475 INFO L93 Difference]: Finished difference Result 18521 states and 34575 transitions. [2024-11-20 22:43:00,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18521 states and 34575 transitions. [2024-11-20 22:43:00,538 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4186 [2024-11-20 22:43:00,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18521 states to 18521 states and 34575 transitions. [2024-11-20 22:43:00,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18483 [2024-11-20 22:43:00,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18483 [2024-11-20 22:43:00,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18521 states and 34575 transitions. [2024-11-20 22:43:00,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:00,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18521 states and 34575 transitions. [2024-11-20 22:43:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18521 states and 34575 transitions. [2024-11-20 22:43:01,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18521 to 18518. [2024-11-20 22:43:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18518 states, 18518 states have (on average 1.8669402743276813) internal successors, (34572), 18517 states have internal predecessors, (34572), 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) [2024-11-20 22:43:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18518 states to 18518 states and 34572 transitions. [2024-11-20 22:43:01,075 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18518 states and 34572 transitions. [2024-11-20 22:43:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:01,076 INFO L425 stractBuchiCegarLoop]: Abstraction has 18518 states and 34572 transitions. [2024-11-20 22:43:01,077 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:43:01,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18518 states and 34572 transitions. [2024-11-20 22:43:01,127 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4186 [2024-11-20 22:43:01,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:01,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:01,130 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] [2024-11-20 22:43:01,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:43:01,131 INFO L745 eck$LassoCheckResult]: Stem: 231792#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 231358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 231359#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 240661#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 237355#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 230382#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 230383#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 234235#L1317 assume !(0 == getOrigin_~person#1); 233672#L1321 assume !(1 == getOrigin_~person#1); 233673#L1325 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 231230#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 240791#L964 assume 0 == initPersonOnFloor_~floor#1; 240772#L965 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 223330#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 223331#L756 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 223648#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 237623#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 237624#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 240142#L1317-1 assume !(0 == getOrigin_~person#1); 234057#L1321-1 assume !(1 == getOrigin_~person#1); 232517#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 232518#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 240800#L964-1 assume 0 == initPersonOnFloor_~floor#1; 233482#L965-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 222302#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 232864#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 229502#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 229379#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 229380#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 234614#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 234615#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 239365#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 224750#L3060 assume 0 != timeShift_~tmp~29#1; 224752#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 236743#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 236744#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 235197#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 228565#L3280 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 228566#L3284-2 assume !false; 229487#L3285 [2024-11-20 22:43:01,131 INFO L747 eck$LassoCheckResult]: Loop: 229487#L3285 assume existInLiftCallsInDirection_~i~3#1 < 5; 229489#L3286 assume !(0 == existInLiftCallsInDirection_~i~3#1); 232743#$Ultimate##7260 assume 1 == existInLiftCallsInDirection_~i~3#1; 233334#L3301 assume !(0 != ~floorButtons_1~0); 233335#$Ultimate##7264 assume !(2 == existInLiftCallsInDirection_~i~3#1); 230986#$Ultimate##7268 assume !(3 == existInLiftCallsInDirection_~i~3#1); 232607#$Ultimate##7272 assume !(4 == existInLiftCallsInDirection_~i~3#1); 229684#L3327-1 existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 229685#L3284-2 assume !false; 229487#L3285 [2024-11-20 22:43:01,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:01,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1800201023, now seen corresponding path program 1 times [2024-11-20 22:43:01,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:01,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676784859] [2024-11-20 22:43:01,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:01,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:01,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:01,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676784859] [2024-11-20 22:43:01,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676784859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:01,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:01,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:43:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335176522] [2024-11-20 22:43:01,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:01,212 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:01,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:01,212 INFO L85 PathProgramCache]: Analyzing trace with hash 917806602, now seen corresponding path program 1 times [2024-11-20 22:43:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275694830] [2024-11-20 22:43:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:01,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:01,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:01,259 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:43:01,259 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:43:01,259 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:43:01,259 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:43:01,259 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:43:01,259 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,259 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:43:01,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:43:01,260 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration3_Loop [2024-11-20 22:43:01,260 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:43:01,260 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:43:01,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:43:01,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:43:01,283 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:43:01,283 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:43:01,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:43:01,285 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-20 22:43:01,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-20 22:43:01,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:43:01,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:43:01,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-20 22:43:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:43:01,310 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-11-20 22:43:01,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-20 22:43:01,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:43:01,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:43:01,325 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:43:01,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-20 22:43:01,330 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:43:01,331 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:43:01,331 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:43:01,331 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:43:01,331 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:43:01,331 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,331 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:43:01,331 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:43:01,331 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration3_Loop [2024-11-20 22:43:01,331 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:43:01,331 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:43:01,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:43:01,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:43:01,361 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:43:01,361 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:43:01,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:43:01,364 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-20 22:43:01,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-20 22:43:01,366 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 [2024-11-20 22:43:01,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:43:01,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:43:01,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:43:01,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:43:01,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:43:01,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:43:01,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:43:01,378 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:43:01,380 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:43:01,380 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:43:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:43:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:43:01,382 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2024-11-20 22:43:01,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-20 22:43:01,384 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:43:01,384 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:43:01,384 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:43:01,384 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~3#1) = -2*ULTIMATE.start_existInLiftCallsInDirection_~i~3#1 + 3 Supporting invariants [] [2024-11-20 22:43:01,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-20 22:43:01,391 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:43:01,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:01,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:43:01,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:43:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:01,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:43:01,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:43:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:01,597 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:43:01,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18518 states and 34572 transitions. cyclomatic complexity: 16089 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) [2024-11-20 22:43:01,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-20 22:43:02,686 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18518 states and 34572 transitions. cyclomatic complexity: 16089. 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) Result 48103 states and 89794 transitions. Complement of second has 8 states. [2024-11-20 22:43:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-20 22:43:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2024-11-20 22:43:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62047 transitions. [2024-11-20 22:43:02,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62047 transitions. Stem has 39 letters. Loop has 9 letters. [2024-11-20 22:43:02,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:43:02,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62047 transitions. Stem has 48 letters. Loop has 9 letters. [2024-11-20 22:43:02,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:43:02,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62047 transitions. Stem has 39 letters. Loop has 18 letters. [2024-11-20 22:43:02,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:43:02,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48103 states and 89794 transitions. [2024-11-20 22:43:03,052 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8270 [2024-11-20 22:43:03,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48103 states to 33309 states and 62171 transitions. [2024-11-20 22:43:03,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33227 [2024-11-20 22:43:03,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33230 [2024-11-20 22:43:03,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33309 states and 62171 transitions. [2024-11-20 22:43:03,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:03,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33309 states and 62171 transitions. [2024-11-20 22:43:03,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33309 states and 62171 transitions. [2024-11-20 22:43:03,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33309 to 18560. [2024-11-20 22:43:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18560 states, 18560 states have (on average 1.8657327586206895) internal successors, (34628), 18559 states have internal predecessors, (34628), 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) [2024-11-20 22:43:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18560 states to 18560 states and 34628 transitions. [2024-11-20 22:43:03,435 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18560 states and 34628 transitions. [2024-11-20 22:43:03,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:03,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:43:03,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:43:03,435 INFO L87 Difference]: Start difference. First operand 18560 states and 34628 transitions. 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) [2024-11-20 22:43:03,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:03,819 INFO L93 Difference]: Finished difference Result 18526 states and 34560 transitions. [2024-11-20 22:43:03,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18526 states and 34560 transitions. [2024-11-20 22:43:03,879 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:03,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18526 states to 18526 states and 34560 transitions. [2024-11-20 22:43:03,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18447 [2024-11-20 22:43:03,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18447 [2024-11-20 22:43:03,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18526 states and 34560 transitions. [2024-11-20 22:43:03,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:03,938 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18526 states and 34560 transitions. [2024-11-20 22:43:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18526 states and 34560 transitions. [2024-11-20 22:43:04,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18526 to 18526. [2024-11-20 22:43:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18526 states, 18526 states have (on average 1.865486343517219) internal successors, (34560), 18525 states have internal predecessors, (34560), 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) [2024-11-20 22:43:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18526 states to 18526 states and 34560 transitions. [2024-11-20 22:43:04,151 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18526 states and 34560 transitions. [2024-11-20 22:43:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:43:04,151 INFO L425 stractBuchiCegarLoop]: Abstraction has 18526 states and 34560 transitions. [2024-11-20 22:43:04,152 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:43:04,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18526 states and 34560 transitions. [2024-11-20 22:43:04,199 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:04,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:04,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:04,200 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] [2024-11-20 22:43:04,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:04,200 INFO L745 eck$LassoCheckResult]: Stem: 335656#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 335222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 335223#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 344515#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 341214#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 334252#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 334253#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 338095#L1317 assume !(0 == getOrigin_~person#1); 337534#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 331835#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 331836#L964 assume !(0 == initPersonOnFloor_~floor#1); 343525#L991 assume !(1 == initPersonOnFloor_~floor#1); 335551#L1018 assume !(2 == initPersonOnFloor_~floor#1); 330073#L1045 assume 3 == initPersonOnFloor_~floor#1; 330074#L1046 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 327205#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 327206#L756 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 327523#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 341482#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 341483#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 343995#L1317-1 assume !(0 == getOrigin_~person#1); 337918#L1321-1 assume !(1 == getOrigin_~person#1); 336378#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 336379#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 344651#L964-1 assume 0 == initPersonOnFloor_~floor#1; 337345#L965-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 326177#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 336728#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 333372#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 333250#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 333251#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 338473#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 338474#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 343218#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 328625#L3060 assume 0 != timeShift_~tmp~29#1; 328627#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 340602#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 340603#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 339056#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 332438#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 332440#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 336408#L3350-2 [2024-11-20 22:43:04,200 INFO L747 eck$LassoCheckResult]: Loop: 336408#L3350-2 assume !false; 344552#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 342750#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 342751#L3359-2 assume !false; 329716#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 329717#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 336408#L3350-2 [2024-11-20 22:43:04,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash 790460044, now seen corresponding path program 1 times [2024-11-20 22:43:04,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:04,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507175731] [2024-11-20 22:43:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:04,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:04,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507175731] [2024-11-20 22:43:04,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507175731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:04,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:04,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:04,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954253191] [2024-11-20 22:43:04,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:04,295 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:04,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:04,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 1 times [2024-11-20 22:43:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:04,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477708548] [2024-11-20 22:43:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:04,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:04,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:04,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:04,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:43:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:43:04,344 INFO L87 Difference]: Start difference. First operand 18526 states and 34560 transitions. cyclomatic complexity: 16071 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) [2024-11-20 22:43:04,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:04,929 INFO L93 Difference]: Finished difference Result 18534 states and 34567 transitions. [2024-11-20 22:43:04,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18534 states and 34567 transitions. [2024-11-20 22:43:04,996 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:05,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18534 states to 18534 states and 34567 transitions. [2024-11-20 22:43:05,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18455 [2024-11-20 22:43:05,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18455 [2024-11-20 22:43:05,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18534 states and 34567 transitions. [2024-11-20 22:43:05,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:05,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18534 states and 34567 transitions. [2024-11-20 22:43:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18534 states and 34567 transitions. [2024-11-20 22:43:05,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18534 to 18526. [2024-11-20 22:43:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18526 states, 18526 states have (on average 1.8651624743603583) internal successors, (34554), 18525 states have internal predecessors, (34554), 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) [2024-11-20 22:43:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18526 states to 18526 states and 34554 transitions. [2024-11-20 22:43:05,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18526 states and 34554 transitions. [2024-11-20 22:43:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:43:05,477 INFO L425 stractBuchiCegarLoop]: Abstraction has 18526 states and 34554 transitions. [2024-11-20 22:43:05,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-20 22:43:05,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18526 states and 34554 transitions. [2024-11-20 22:43:05,540 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:05,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:05,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:05,541 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] [2024-11-20 22:43:05,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:05,541 INFO L745 eck$LassoCheckResult]: Stem: 372724#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 372290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 372291#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 381580#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 378281#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 371319#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 371320#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 375164#L1317 assume !(0 == getOrigin_~person#1); 374601#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 368903#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 368904#L964 assume !(0 == initPersonOnFloor_~floor#1); 380592#L991 assume !(1 == initPersonOnFloor_~floor#1); 372619#L1018 assume !(2 == initPersonOnFloor_~floor#1); 367141#L1045 assume 3 == initPersonOnFloor_~floor#1; 367142#L1046 assume !(0 == initPersonOnFloor_~person#1); 380860#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 364273#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 364274#L756 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 364591#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 378550#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 378551#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 381060#L1317-1 assume !(0 == getOrigin_~person#1); 374985#L1321-1 assume !(1 == getOrigin_~person#1); 373446#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 373447#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 381716#L964-1 assume 0 == initPersonOnFloor_~floor#1; 374412#L965-2 assume !(0 == initPersonOnFloor_~person#1); 374413#L968-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 363245#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 373796#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 370439#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 370318#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 370319#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 375540#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 375541#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 380285#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 365693#L3060 assume 0 != timeShift_~tmp~29#1; 365695#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 377669#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 377670#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 376125#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 369506#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 369508#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 373476#L3350-2 [2024-11-20 22:43:05,541 INFO L747 eck$LassoCheckResult]: Loop: 373476#L3350-2 assume !false; 381617#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 379818#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 379819#L3359-2 assume !false; 366784#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 366785#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 373476#L3350-2 [2024-11-20 22:43:05,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:05,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1011904592, now seen corresponding path program 1 times [2024-11-20 22:43:05,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:05,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202202665] [2024-11-20 22:43:05,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:05,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:05,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202202665] [2024-11-20 22:43:05,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202202665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:05,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:05,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:43:05,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211175008] [2024-11-20 22:43:05,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:05,619 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:05,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:05,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 2 times [2024-11-20 22:43:05,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:05,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581097802] [2024-11-20 22:43:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:05,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:05,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:05,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:05,680 INFO L87 Difference]: Start difference. First operand 18526 states and 34554 transitions. cyclomatic complexity: 16065 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) [2024-11-20 22:43:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:06,083 INFO L93 Difference]: Finished difference Result 18530 states and 34557 transitions. [2024-11-20 22:43:06,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18530 states and 34557 transitions. [2024-11-20 22:43:06,169 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:06,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18530 states to 18530 states and 34557 transitions. [2024-11-20 22:43:06,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18451 [2024-11-20 22:43:06,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18451 [2024-11-20 22:43:06,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18530 states and 34557 transitions. [2024-11-20 22:43:06,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:06,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18530 states and 34557 transitions. [2024-11-20 22:43:06,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18530 states and 34557 transitions. [2024-11-20 22:43:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18530 to 18530. [2024-11-20 22:43:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18530 states, 18530 states have (on average 1.8649217485159202) internal successors, (34557), 18529 states have internal predecessors, (34557), 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) [2024-11-20 22:43:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18530 states to 18530 states and 34557 transitions. [2024-11-20 22:43:06,661 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18530 states and 34557 transitions. [2024-11-20 22:43:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:06,662 INFO L425 stractBuchiCegarLoop]: Abstraction has 18530 states and 34557 transitions. [2024-11-20 22:43:06,662 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-20 22:43:06,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18530 states and 34557 transitions. [2024-11-20 22:43:06,708 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:06,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:06,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:06,708 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] [2024-11-20 22:43:06,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:06,709 INFO L745 eck$LassoCheckResult]: Stem: 409788#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 409354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 409355#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 418648#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 415343#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 408384#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 408385#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 412226#L1317 assume !(0 == getOrigin_~person#1); 411663#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 405965#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 405966#L964 assume !(0 == initPersonOnFloor_~floor#1); 417657#L991 assume !(1 == initPersonOnFloor_~floor#1); 409683#L1018 assume !(2 == initPersonOnFloor_~floor#1); 404204#L1045 assume 3 == initPersonOnFloor_~floor#1; 404205#L1046 assume !(0 == initPersonOnFloor_~person#1); 417926#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 401336#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 401337#L756 assume !(0 == callOnFloor_~floorID#1); 401653#L759 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 401654#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 415613#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 415614#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 418127#L1317-1 assume !(0 == getOrigin_~person#1); 412047#L1321-1 assume !(1 == getOrigin_~person#1); 410510#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 410511#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 418784#L964-1 assume 0 == initPersonOnFloor_~floor#1; 411474#L965-2 assume !(0 == initPersonOnFloor_~person#1); 411475#L968-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 417011#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 418786#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 407503#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 407381#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 407382#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 412604#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 412605#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 417350#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 402756#L3060 assume 0 != timeShift_~tmp~29#1; 402758#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 414731#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 414732#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 413187#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 406568#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 406570#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 410540#L3350-2 [2024-11-20 22:43:06,709 INFO L747 eck$LassoCheckResult]: Loop: 410540#L3350-2 assume !false; 418685#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 416882#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 416883#L3359-2 assume !false; 403847#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 403848#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 410540#L3350-2 [2024-11-20 22:43:06,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash -793620309, now seen corresponding path program 1 times [2024-11-20 22:43:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:06,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144338613] [2024-11-20 22:43:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:06,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:06,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144338613] [2024-11-20 22:43:06,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144338613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:06,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:06,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:43:06,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303131148] [2024-11-20 22:43:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:06,776 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:06,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:06,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 3 times [2024-11-20 22:43:06,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:06,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975651313] [2024-11-20 22:43:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:06,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:06,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:06,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:06,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:06,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:06,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:06,821 INFO L87 Difference]: Start difference. First operand 18530 states and 34557 transitions. cyclomatic complexity: 16064 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) [2024-11-20 22:43:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:07,094 INFO L93 Difference]: Finished difference Result 18536 states and 34562 transitions. [2024-11-20 22:43:07,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18536 states and 34562 transitions. [2024-11-20 22:43:07,379 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:07,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18536 states to 18536 states and 34562 transitions. [2024-11-20 22:43:07,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18457 [2024-11-20 22:43:07,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18457 [2024-11-20 22:43:07,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18536 states and 34562 transitions. [2024-11-20 22:43:07,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:07,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18536 states and 34562 transitions. [2024-11-20 22:43:07,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18536 states and 34562 transitions. [2024-11-20 22:43:07,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18536 to 18536. [2024-11-20 22:43:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18536 states have (on average 1.8645878290893396) internal successors, (34562), 18535 states have internal predecessors, (34562), 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) [2024-11-20 22:43:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 34562 transitions. [2024-11-20 22:43:07,660 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18536 states and 34562 transitions. [2024-11-20 22:43:07,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:07,661 INFO L425 stractBuchiCegarLoop]: Abstraction has 18536 states and 34562 transitions. [2024-11-20 22:43:07,661 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-20 22:43:07,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18536 states and 34562 transitions. [2024-11-20 22:43:07,706 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:07,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:07,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:07,707 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] [2024-11-20 22:43:07,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:07,707 INFO L745 eck$LassoCheckResult]: Stem: 446863#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 446429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 446430#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455722#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 452420#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 445459#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 445460#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 449303#L1317 assume !(0 == getOrigin_~person#1); 448740#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 443040#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 443041#L964 assume !(0 == initPersonOnFloor_~floor#1); 454730#L991 assume !(1 == initPersonOnFloor_~floor#1); 446758#L1018 assume !(2 == initPersonOnFloor_~floor#1); 441278#L1045 assume 3 == initPersonOnFloor_~floor#1; 441279#L1046 assume !(0 == initPersonOnFloor_~person#1); 454999#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 438409#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 438410#L756 assume !(0 == callOnFloor_~floorID#1); 438726#L759 assume !(1 == callOnFloor_~floorID#1); 438727#L762 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 438886#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 452688#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 452689#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 455201#L1317-1 assume !(0 == getOrigin_~person#1); 449124#L1321-1 assume !(1 == getOrigin_~person#1); 447585#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 447586#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 455858#L964-1 assume 0 == initPersonOnFloor_~floor#1; 448551#L965-2 assume !(0 == initPersonOnFloor_~person#1); 448552#L968-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 454084#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 455863#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 444578#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 444456#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 444457#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 449681#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 449682#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 454423#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 439829#L3060 assume 0 != timeShift_~tmp~29#1; 439831#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 451808#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 451809#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 450264#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 443643#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 443645#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 447615#L3350-2 [2024-11-20 22:43:07,707 INFO L747 eck$LassoCheckResult]: Loop: 447615#L3350-2 assume !false; 455759#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 453955#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 453956#L3359-2 assume !false; 440921#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 440922#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 447615#L3350-2 [2024-11-20 22:43:07,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash -775218357, now seen corresponding path program 1 times [2024-11-20 22:43:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:07,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109269281] [2024-11-20 22:43:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:07,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:07,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109269281] [2024-11-20 22:43:07,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109269281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:07,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:07,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:43:07,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024495012] [2024-11-20 22:43:07,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:07,784 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:07,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:07,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 4 times [2024-11-20 22:43:07,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529889316] [2024-11-20 22:43:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:07,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:07,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:07,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:07,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:07,819 INFO L87 Difference]: Start difference. First operand 18536 states and 34562 transitions. cyclomatic complexity: 16063 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) [2024-11-20 22:43:08,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:08,216 INFO L93 Difference]: Finished difference Result 18544 states and 34569 transitions. [2024-11-20 22:43:08,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18544 states and 34569 transitions. [2024-11-20 22:43:08,269 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:08,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18544 states to 18544 states and 34569 transitions. [2024-11-20 22:43:08,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18465 [2024-11-20 22:43:08,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18465 [2024-11-20 22:43:08,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18544 states and 34569 transitions. [2024-11-20 22:43:08,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:08,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18544 states and 34569 transitions. [2024-11-20 22:43:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18544 states and 34569 transitions. [2024-11-20 22:43:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18544 to 18544. [2024-11-20 22:43:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18544 states, 18544 states have (on average 1.8641609145815359) internal successors, (34569), 18543 states have internal predecessors, (34569), 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) [2024-11-20 22:43:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18544 states to 18544 states and 34569 transitions. [2024-11-20 22:43:08,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18544 states and 34569 transitions. [2024-11-20 22:43:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:08,535 INFO L425 stractBuchiCegarLoop]: Abstraction has 18544 states and 34569 transitions. [2024-11-20 22:43:08,535 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-20 22:43:08,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18544 states and 34569 transitions. [2024-11-20 22:43:08,581 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:08,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:08,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:08,581 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] [2024-11-20 22:43:08,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:08,582 INFO L745 eck$LassoCheckResult]: Stem: 483952#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 483518#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 483519#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 492812#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 489509#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 482548#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 482549#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 486392#L1317 assume !(0 == getOrigin_~person#1); 485829#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 480129#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 480130#L964 assume !(0 == initPersonOnFloor_~floor#1); 491819#L991 assume !(1 == initPersonOnFloor_~floor#1); 483847#L1018 assume !(2 == initPersonOnFloor_~floor#1); 478366#L1045 assume 3 == initPersonOnFloor_~floor#1; 478367#L1046 assume !(0 == initPersonOnFloor_~person#1); 492089#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 475496#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 475497#L756 assume !(0 == callOnFloor_~floorID#1); 475813#L759 assume !(1 == callOnFloor_~floorID#1); 475814#L762 assume !(2 == callOnFloor_~floorID#1); 475972#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 475973#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 489777#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 489778#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 492291#L1317-1 assume !(0 == getOrigin_~person#1); 486213#L1321-1 assume !(1 == getOrigin_~person#1); 484674#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 484675#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 492948#L964-1 assume 0 == initPersonOnFloor_~floor#1; 485640#L965-2 assume !(0 == initPersonOnFloor_~person#1); 485641#L968-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 491173#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 492957#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 481667#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 481545#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 481546#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 486770#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 486771#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 491513#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 476916#L3060 assume 0 != timeShift_~tmp~29#1; 476918#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 488897#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 488898#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 487353#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 480732#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 480734#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 484704#L3350-2 [2024-11-20 22:43:08,582 INFO L747 eck$LassoCheckResult]: Loop: 484704#L3350-2 assume !false; 492849#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 491044#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 491045#L3359-2 assume !false; 478008#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 478009#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 484704#L3350-2 [2024-11-20 22:43:08,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash -49658810, now seen corresponding path program 1 times [2024-11-20 22:43:08,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:08,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026326425] [2024-11-20 22:43:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:08,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:08,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:08,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026326425] [2024-11-20 22:43:08,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026326425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:08,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:08,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:08,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681557195] [2024-11-20 22:43:08,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:08,680 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:08,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:08,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 5 times [2024-11-20 22:43:08,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:08,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454996103] [2024-11-20 22:43:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:08,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:08,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:08,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:43:08,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:43:08,717 INFO L87 Difference]: Start difference. First operand 18544 states and 34569 transitions. cyclomatic complexity: 16062 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) [2024-11-20 22:43:09,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:09,306 INFO L93 Difference]: Finished difference Result 18530 states and 34543 transitions. [2024-11-20 22:43:09,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18530 states and 34543 transitions. [2024-11-20 22:43:09,389 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:09,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18530 states to 18530 states and 34543 transitions. [2024-11-20 22:43:09,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18451 [2024-11-20 22:43:09,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18451 [2024-11-20 22:43:09,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18530 states and 34543 transitions. [2024-11-20 22:43:09,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:09,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18530 states and 34543 transitions. [2024-11-20 22:43:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18530 states and 34543 transitions. [2024-11-20 22:43:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18530 to 18530. [2024-11-20 22:43:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18530 states, 18530 states have (on average 1.8641662169454938) internal successors, (34543), 18529 states have internal predecessors, (34543), 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) [2024-11-20 22:43:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18530 states to 18530 states and 34543 transitions. [2024-11-20 22:43:09,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18530 states and 34543 transitions. [2024-11-20 22:43:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:43:09,730 INFO L425 stractBuchiCegarLoop]: Abstraction has 18530 states and 34543 transitions. [2024-11-20 22:43:09,730 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-20 22:43:09,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18530 states and 34543 transitions. [2024-11-20 22:43:09,792 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:09,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:09,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:09,793 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] [2024-11-20 22:43:09,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:09,793 INFO L745 eck$LassoCheckResult]: Stem: 521035#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 520601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 520602#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 529884#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 526587#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 519630#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 519631#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 523468#L1317 assume !(0 == getOrigin_~person#1); 522909#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 517213#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 517214#L964 assume !(0 == initPersonOnFloor_~floor#1); 528896#L991 assume !(1 == initPersonOnFloor_~floor#1); 520930#L1018 assume !(2 == initPersonOnFloor_~floor#1); 515449#L1045 assume 3 == initPersonOnFloor_~floor#1; 515450#L1046 assume !(0 == initPersonOnFloor_~person#1); 529165#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 512579#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 512580#L756 assume !(0 == callOnFloor_~floorID#1); 512896#L759 assume !(1 == callOnFloor_~floorID#1); 512897#L762 assume !(2 == callOnFloor_~floorID#1); 513055#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 513056#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 526856#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 526857#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 529364#L1317-1 assume !(0 == getOrigin_~person#1); 523293#L1321-1 assume !(1 == getOrigin_~person#1); 521757#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 521758#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 513627#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 512163#L991-1 assume 1 == initPersonOnFloor_~floor#1; 512164#L992-2 assume !(0 == initPersonOnFloor_~person#1); 518485#L995-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 511550#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 530025#L756-2 assume !(0 == callOnFloor_~floorID#1); 530022#L759-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 518749#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 518629#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 518630#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 523846#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 523847#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 528589#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 513999#L3060 assume 0 != timeShift_~tmp~29#1; 514001#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 525975#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 525976#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 524429#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 517816#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 517818#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 521786#L3350-2 [2024-11-20 22:43:09,793 INFO L747 eck$LassoCheckResult]: Loop: 521786#L3350-2 assume !false; 529921#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 528124#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 528125#L3359-2 assume !false; 515091#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 515092#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 521786#L3350-2 [2024-11-20 22:43:09,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1777575836, now seen corresponding path program 1 times [2024-11-20 22:43:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:09,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890817544] [2024-11-20 22:43:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:09,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890817544] [2024-11-20 22:43:09,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890817544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:09,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:09,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:09,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654624229] [2024-11-20 22:43:09,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:09,922 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:09,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:09,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 6 times [2024-11-20 22:43:09,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:09,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763140386] [2024-11-20 22:43:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:09,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:09,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:09,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:43:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:43:09,962 INFO L87 Difference]: Start difference. First operand 18530 states and 34543 transitions. cyclomatic complexity: 16050 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) [2024-11-20 22:43:10,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:10,489 INFO L93 Difference]: Finished difference Result 18524 states and 34530 transitions. [2024-11-20 22:43:10,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18524 states and 34530 transitions. [2024-11-20 22:43:10,552 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:10,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18524 states to 18524 states and 34530 transitions. [2024-11-20 22:43:10,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18445 [2024-11-20 22:43:10,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18445 [2024-11-20 22:43:10,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18524 states and 34530 transitions. [2024-11-20 22:43:10,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:10,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18524 states and 34530 transitions. [2024-11-20 22:43:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18524 states and 34530 transitions. [2024-11-20 22:43:10,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18524 to 18524. [2024-11-20 22:43:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18524 states, 18524 states have (on average 1.8640682358022025) internal successors, (34530), 18523 states have internal predecessors, (34530), 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) [2024-11-20 22:43:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18524 states to 18524 states and 34530 transitions. [2024-11-20 22:43:10,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18524 states and 34530 transitions. [2024-11-20 22:43:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:43:10,826 INFO L425 stractBuchiCegarLoop]: Abstraction has 18524 states and 34530 transitions. [2024-11-20 22:43:10,826 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-20 22:43:10,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18524 states and 34530 transitions. [2024-11-20 22:43:10,872 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:10,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:10,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:10,872 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] [2024-11-20 22:43:10,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:10,873 INFO L745 eck$LassoCheckResult]: Stem: 558091#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 557657#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 557658#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 566944#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 563644#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 556686#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 556687#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 560525#L1317 assume !(0 == getOrigin_~person#1); 559966#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 554270#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 554271#L964 assume !(0 == initPersonOnFloor_~floor#1); 565954#L991 assume !(1 == initPersonOnFloor_~floor#1); 557986#L1018 assume !(2 == initPersonOnFloor_~floor#1); 552507#L1045 assume 3 == initPersonOnFloor_~floor#1; 552508#L1046 assume !(0 == initPersonOnFloor_~person#1); 566223#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 549637#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 549638#L756 assume !(0 == callOnFloor_~floorID#1); 549954#L759 assume !(1 == callOnFloor_~floorID#1); 549955#L762 assume !(2 == callOnFloor_~floorID#1); 550113#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 550114#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 563914#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 563915#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 566424#L1317-1 assume !(0 == getOrigin_~person#1); 560350#L1321-1 assume !(1 == getOrigin_~person#1); 558814#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 558815#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 550685#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 549222#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 549223#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 559983#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 553026#L1022-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 553027#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 567084#L756-2 assume !(0 == callOnFloor_~floorID#1); 567083#L759-2 assume !(1 == callOnFloor_~floorID#1); 567082#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 555805#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 555684#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 555685#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 560903#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 560904#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 565647#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 551057#L3060 assume 0 != timeShift_~tmp~29#1; 551059#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 563032#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 563033#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 561486#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 554873#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 554875#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 558843#L3350-2 [2024-11-20 22:43:10,873 INFO L747 eck$LassoCheckResult]: Loop: 558843#L3350-2 assume !false; 566981#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 565182#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 565183#L3359-2 assume !false; 552149#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 552150#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 558843#L3350-2 [2024-11-20 22:43:10,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:10,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1937928637, now seen corresponding path program 1 times [2024-11-20 22:43:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:10,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786648566] [2024-11-20 22:43:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:11,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:11,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786648566] [2024-11-20 22:43:11,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786648566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:11,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:11,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:43:11,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712251840] [2024-11-20 22:43:11,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:11,099 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:11,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 7 times [2024-11-20 22:43:11,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:11,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621944707] [2024-11-20 22:43:11,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:11,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:11,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:11,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:11,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:11,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:11,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:11,130 INFO L87 Difference]: Start difference. First operand 18524 states and 34530 transitions. cyclomatic complexity: 16043 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) [2024-11-20 22:43:11,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:11,481 INFO L93 Difference]: Finished difference Result 18540 states and 34542 transitions. [2024-11-20 22:43:11,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18540 states and 34542 transitions. [2024-11-20 22:43:11,543 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:11,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18540 states to 18540 states and 34542 transitions. [2024-11-20 22:43:11,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18461 [2024-11-20 22:43:11,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18461 [2024-11-20 22:43:11,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18540 states and 34542 transitions. [2024-11-20 22:43:11,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:11,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18540 states and 34542 transitions. [2024-11-20 22:43:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18540 states and 34542 transitions. [2024-11-20 22:43:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18540 to 18524. [2024-11-20 22:43:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18524 states, 18524 states have (on average 1.8636363636363635) internal successors, (34522), 18523 states have internal predecessors, (34522), 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) [2024-11-20 22:43:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18524 states to 18524 states and 34522 transitions. [2024-11-20 22:43:11,819 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18524 states and 34522 transitions. [2024-11-20 22:43:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:11,820 INFO L425 stractBuchiCegarLoop]: Abstraction has 18524 states and 34522 transitions. [2024-11-20 22:43:11,820 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-20 22:43:11,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18524 states and 34522 transitions. [2024-11-20 22:43:11,866 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2024-11-20 22:43:11,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:11,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:11,866 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] [2024-11-20 22:43:11,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:11,866 INFO L745 eck$LassoCheckResult]: Stem: 595160#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 594726#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 594727#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 604012#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 600714#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 593756#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 593757#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 597594#L1317 assume !(0 == getOrigin_~person#1); 597035#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 591339#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 591340#L964 assume !(0 == initPersonOnFloor_~floor#1); 603024#L991 assume !(1 == initPersonOnFloor_~floor#1); 595055#L1018 assume !(2 == initPersonOnFloor_~floor#1); 589577#L1045 assume 3 == initPersonOnFloor_~floor#1; 589578#L1046 assume !(0 == initPersonOnFloor_~person#1); 603293#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 586707#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 586708#L756 assume !(0 == callOnFloor_~floorID#1); 587024#L759 assume !(1 == callOnFloor_~floorID#1); 587025#L762 assume !(2 == callOnFloor_~floorID#1); 587183#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 587184#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 600984#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 600985#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 603493#L1317-1 assume !(0 == getOrigin_~person#1); 597419#L1321-1 assume !(1 == getOrigin_~person#1); 595883#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 595884#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 587755#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 586292#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 586293#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 597052#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 590096#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 590097#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 599165#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 604199#L756-2 assume !(0 == callOnFloor_~floorID#1); 604198#L759-2 assume !(1 == callOnFloor_~floorID#1); 604197#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 592875#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 592754#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 592755#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 597972#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 597973#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 602717#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 588127#L3060 assume 0 != timeShift_~tmp~29#1; 588129#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 600102#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 600103#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 598555#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 591943#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 591945#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 595912#L3350-2 [2024-11-20 22:43:11,867 INFO L747 eck$LassoCheckResult]: Loop: 595912#L3350-2 assume !false; 604049#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 602253#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 602254#L3359-2 assume !false; 589219#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 589220#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 595912#L3350-2 [2024-11-20 22:43:11,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1066971836, now seen corresponding path program 1 times [2024-11-20 22:43:11,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:11,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37653677] [2024-11-20 22:43:11,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:11,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:11,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:11,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37653677] [2024-11-20 22:43:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37653677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:11,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:11,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 22:43:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288628475] [2024-11-20 22:43:11,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:11,933 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:11,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 8 times [2024-11-20 22:43:11,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:11,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987989002] [2024-11-20 22:43:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:11,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:12,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:12,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:12,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:12,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:43:12,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:43:12,060 INFO L87 Difference]: Start difference. First operand 18524 states and 34522 transitions. cyclomatic complexity: 16035 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) [2024-11-20 22:43:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:12,729 INFO L93 Difference]: Finished difference Result 34520 states and 64494 transitions. [2024-11-20 22:43:12,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34520 states and 64494 transitions. [2024-11-20 22:43:12,857 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7224 [2024-11-20 22:43:12,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34520 states to 34520 states and 64494 transitions. [2024-11-20 22:43:12,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34362 [2024-11-20 22:43:12,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34362 [2024-11-20 22:43:12,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34520 states and 64494 transitions. [2024-11-20 22:43:12,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:12,985 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34520 states and 64494 transitions. [2024-11-20 22:43:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34520 states and 64494 transitions. [2024-11-20 22:43:13,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34520 to 29508. [2024-11-20 22:43:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29508 states, 29508 states have (on average 1.8641046495865528) internal successors, (55006), 29507 states have internal predecessors, (55006), 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) [2024-11-20 22:43:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29508 states to 29508 states and 55006 transitions. [2024-11-20 22:43:13,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29508 states and 55006 transitions. [2024-11-20 22:43:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:43:13,597 INFO L425 stractBuchiCegarLoop]: Abstraction has 29508 states and 55006 transitions. [2024-11-20 22:43:13,597 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-20 22:43:13,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29508 states and 55006 transitions. [2024-11-20 22:43:13,695 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7224 [2024-11-20 22:43:13,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:13,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:13,696 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] [2024-11-20 22:43:13,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:13,696 INFO L745 eck$LassoCheckResult]: Stem: 648287#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 647849#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 647850#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 657645#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 654035#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 646864#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 646865#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 650788#L1317 assume !(0 == getOrigin_~person#1); 650212#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 644415#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 644416#L964 assume !(0 == initPersonOnFloor_~floor#1); 656490#L991 assume !(1 == initPersonOnFloor_~floor#1); 648181#L1018 assume !(2 == initPersonOnFloor_~floor#1); 642639#L1045 assume 3 == initPersonOnFloor_~floor#1; 642640#L1046 assume !(0 == initPersonOnFloor_~person#1); 656791#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 639757#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 639758#L756 assume !(0 == callOnFloor_~floorID#1); 640076#L759 assume !(1 == callOnFloor_~floorID#1); 640077#L762 assume !(2 == callOnFloor_~floorID#1); 640235#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 640236#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 654315#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 654316#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 657019#L1317-1 assume !(0 == getOrigin_~person#1); 650605#L1321-1 assume !(1 == getOrigin_~person#1); 649026#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 649027#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 640809#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 639342#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 639343#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 650229#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 643162#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 643163#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 652416#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 657849#L756-2 assume !(0 == callOnFloor_~floorID#1); 657848#L759-2 assume !(1 == callOnFloor_~floorID#1); 657847#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 645969#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 645848#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 645849#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 651173#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 651174#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 656153#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 641181#L3060 assume !(0 != timeShift_~tmp~29#1);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 641182#L693-65 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 644279#isFloorCalling_returnLabel#66 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 644280#isExecutiveFloorCalling_returnLabel#4 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 654665#L2777-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 657148#getCurrentFloorID_returnLabel#6 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 656210#L2781-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 652733#stopRequestedAtCurrentFloor_returnLabel#2 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 653142#L2929-2 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 653144#L3020-3 assume !(1 == ~doorState~0); 653160#L3020-5 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 647141#L693-68 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 644050#isFloorCalling_returnLabel#69 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 651305#isExecutiveFloorCalling_returnLabel#5 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 645025#L2632-2 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 645026#getCurrentFloorID_returnLabel#9 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 641677#stopRequestedInDirection_returnLabel#3 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 639179#L3028-2 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 639181#L2689-3 assume !(1 == ~currentHeading~0); 656136#L2699-9 assume !(0 == ~currentFloorID~0); 654131#L2699-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 650760#L2705-7 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 646996#L3037-5 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 660548#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 660546#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 660547#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 660549#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 660767#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 660766#L3350-2 [2024-11-20 22:43:13,697 INFO L747 eck$LassoCheckResult]: Loop: 660766#L3350-2 assume !false; 660765#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 660764#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 660762#L3359-2 assume !false; 660760#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 660761#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 660766#L3350-2 [2024-11-20 22:43:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash -953121625, now seen corresponding path program 1 times [2024-11-20 22:43:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:13,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518782351] [2024-11-20 22:43:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:13,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518782351] [2024-11-20 22:43:13,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518782351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:13,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:13,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 22:43:13,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012092778] [2024-11-20 22:43:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:13,827 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:13,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 9 times [2024-11-20 22:43:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:13,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816404701] [2024-11-20 22:43:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:13,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:13,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:13,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:13,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 22:43:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 22:43:13,876 INFO L87 Difference]: Start difference. First operand 29508 states and 55006 transitions. cyclomatic complexity: 25572 Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 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) [2024-11-20 22:43:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:14,858 INFO L93 Difference]: Finished difference Result 28742 states and 53134 transitions. [2024-11-20 22:43:14,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28742 states and 53134 transitions. [2024-11-20 22:43:14,952 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8602 [2024-11-20 22:43:15,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28742 states to 28742 states and 53134 transitions. [2024-11-20 22:43:15,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28505 [2024-11-20 22:43:15,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28505 [2024-11-20 22:43:15,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28742 states and 53134 transitions. [2024-11-20 22:43:15,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:15,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28742 states and 53134 transitions. [2024-11-20 22:43:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28742 states and 53134 transitions. [2024-11-20 22:43:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28742 to 28742. [2024-11-20 22:43:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28742 states, 28742 states have (on average 1.848653538375896) internal successors, (53134), 28741 states have internal predecessors, (53134), 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) [2024-11-20 22:43:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28742 states to 28742 states and 53134 transitions. [2024-11-20 22:43:15,342 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28742 states and 53134 transitions. [2024-11-20 22:43:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 22:43:15,342 INFO L425 stractBuchiCegarLoop]: Abstraction has 28742 states and 53134 transitions. [2024-11-20 22:43:15,342 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-20 22:43:15,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28742 states and 53134 transitions. [2024-11-20 22:43:15,414 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8602 [2024-11-20 22:43:15,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:15,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:15,414 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] [2024-11-20 22:43:15,415 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:15,415 INFO L745 eck$LassoCheckResult]: Stem: 705609#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 705215#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 705216#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 713767#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 710704#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 704320#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 704321#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 707832#L1317 assume !(0 == getOrigin_~person#1); 707324#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 702115#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 702116#L964 assume !(0 == initPersonOnFloor_~floor#1); 712821#L991 assume !(1 == initPersonOnFloor_~floor#1); 705508#L1018 assume !(2 == initPersonOnFloor_~floor#1); 700543#L1045 assume 3 == initPersonOnFloor_~floor#1; 700544#L1046 assume !(0 == initPersonOnFloor_~person#1); 713073#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 697938#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 697939#L756 assume !(0 == callOnFloor_~floorID#1); 698212#L759 assume !(1 == callOnFloor_~floorID#1); 698213#L762 assume !(2 == callOnFloor_~floorID#1); 698356#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 698357#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 710958#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 710959#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 713256#L1317-1 assume !(0 == getOrigin_~person#1); 707668#L1321-1 assume !(1 == getOrigin_~person#1); 706261#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 706262#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 698875#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 697568#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 697569#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 707342#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 700993#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 700994#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 709278#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 713913#L756-2 assume !(0 == callOnFloor_~floorID#1); 713912#L759-2 assume !(1 == callOnFloor_~floorID#1); 713911#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 703523#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 703410#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 703411#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 708166#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 708167#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 712544#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 699210#L3060 assume 0 != timeShift_~tmp~29#1; 699211#L3061 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 709675#L693 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 704147#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 708153#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 709594#L2777 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 703496#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 703497#L2781 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 697669#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 697670#L2929 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 705828#L3020 assume 1 == ~doorState~0;~doorState~0 := 0; 705829#L3020-2 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 713489#L693-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 707373#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 712075#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 713237#L2632 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 713238#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 711386#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 705466#L3028 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 705467#L2689 assume !(1 == ~currentHeading~0); 706413#L2699 assume !(0 == ~currentFloorID~0); 701010#L2699-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 711730#L2705-1 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 705983#L3037-2 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 713940#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 713933#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 713934#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 713939#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 714065#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 714066#L3350-2 [2024-11-20 22:43:15,415 INFO L747 eck$LassoCheckResult]: Loop: 714066#L3350-2 assume !false; 714063#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 714064#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 714075#L3359-2 assume !false; 714071#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 714072#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 714066#L3350-2 [2024-11-20 22:43:15,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:15,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1488758990, now seen corresponding path program 1 times [2024-11-20 22:43:15,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:15,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617146585] [2024-11-20 22:43:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:15,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:15,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617146585] [2024-11-20 22:43:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617146585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:15,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:15,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:43:15,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043655458] [2024-11-20 22:43:15,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:15,488 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:15,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 10 times [2024-11-20 22:43:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:15,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827476507] [2024-11-20 22:43:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:15,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:15,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:15,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:15,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:15,732 INFO L87 Difference]: Start difference. First operand 28742 states and 53134 transitions. cyclomatic complexity: 24526 Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 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) [2024-11-20 22:43:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:20,376 INFO L93 Difference]: Finished difference Result 28742 states and 51879 transitions. [2024-11-20 22:43:20,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28742 states and 51879 transitions. [2024-11-20 22:43:20,464 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8602 [2024-11-20 22:43:20,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28742 states to 28742 states and 51879 transitions. [2024-11-20 22:43:20,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28505 [2024-11-20 22:43:20,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28505 [2024-11-20 22:43:20,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28742 states and 51879 transitions. [2024-11-20 22:43:20,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:20,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28742 states and 51879 transitions. [2024-11-20 22:43:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28742 states and 51879 transitions. [2024-11-20 22:43:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28742 to 28742. [2024-11-20 22:43:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28742 states, 28742 states have (on average 1.8049892143900912) internal successors, (51879), 28741 states have internal predecessors, (51879), 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) [2024-11-20 22:43:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28742 states to 28742 states and 51879 transitions. [2024-11-20 22:43:20,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28742 states and 51879 transitions. [2024-11-20 22:43:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:20,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 28742 states and 51879 transitions. [2024-11-20 22:43:20,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-20 22:43:20,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28742 states and 51879 transitions. [2024-11-20 22:43:20,953 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8602 [2024-11-20 22:43:20,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:20,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:20,955 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:43:20,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:20,955 INFO L745 eck$LassoCheckResult]: Stem: 763076#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 762678#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 762679#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 771514#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 768269#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 761778#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 761779#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 765327#L1317 assume !(0 == getOrigin_~person#1); 764814#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 759566#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 759567#L964 assume !(0 == initPersonOnFloor_~floor#1); 770474#L991 assume !(1 == initPersonOnFloor_~floor#1); 762976#L1018 assume !(2 == initPersonOnFloor_~floor#1); 757996#L1045 assume 3 == initPersonOnFloor_~floor#1; 757997#L1046 assume !(0 == initPersonOnFloor_~person#1); 770750#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 755411#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 755412#L756 assume !(0 == callOnFloor_~floorID#1); 755682#L759 assume !(1 == callOnFloor_~floorID#1); 755683#L762 assume !(2 == callOnFloor_~floorID#1); 755822#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 755823#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 768527#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 768528#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 770951#L1317-1 assume !(0 == getOrigin_~person#1); 765161#L1321-1 assume !(1 == getOrigin_~person#1); 763738#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 763739#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 756332#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 755049#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 755050#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 764832#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 758444#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 758445#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 766805#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 771697#L756-2 assume !(0 == callOnFloor_~floorID#1); 771696#L759-2 assume !(1 == callOnFloor_~floorID#1); 771695#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 760976#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 760862#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 760863#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 765670#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 765671#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 770186#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 756667#L3060 assume 0 != timeShift_~tmp~29#1; 756668#L3061 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 767211#L693 assume !(0 == isFloorCalling_~floorID#1); 767212#L697 assume !(1 == isFloorCalling_~floorID#1); 769932#L701 assume !(2 == isFloorCalling_~floorID#1); 761602#L705 assume !(3 == isFloorCalling_~floorID#1); 761603#L709 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 765656#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 765657#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 767129#L2777 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 760948#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 760949#L2781 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 755150#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 755151#L2929 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 763296#L3020 assume 1 == ~doorState~0;~doorState~0 := 0; 763297#L3020-2 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 771201#L693-3 assume !(0 == isFloorCalling_~floorID#1); 764862#L697-3 assume !(1 == isFloorCalling_~floorID#1); 764863#L701-3 assume !(2 == isFloorCalling_~floorID#1); 764944#L705-3 assume !(3 == isFloorCalling_~floorID#1); 764945#L709-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 769698#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 769699#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 770931#L2632 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 770932#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 768964#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 762933#L3028 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 762934#L2689 assume !(1 == ~currentHeading~0); 763891#L2699 assume !(0 == ~currentFloorID~0); 758459#L2699-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 769327#L2705-1 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 763451#L3037-2 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 771724#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 771717#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 771718#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 771723#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 771849#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 771850#L3350-2 [2024-11-20 22:43:20,956 INFO L747 eck$LassoCheckResult]: Loop: 771850#L3350-2 assume !false; 771847#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 771848#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 771860#L3359-2 assume !false; 771856#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 771857#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 771850#L3350-2 [2024-11-20 22:43:20,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2092609990, now seen corresponding path program 1 times [2024-11-20 22:43:20,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:20,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769644829] [2024-11-20 22:43:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:21,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:21,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769644829] [2024-11-20 22:43:21,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769644829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:21,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:21,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:21,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688409749] [2024-11-20 22:43:21,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:21,059 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:21,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 11 times [2024-11-20 22:43:21,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:21,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486944669] [2024-11-20 22:43:21,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:21,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:21,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:21,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:21,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:21,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 22:43:21,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 22:43:21,092 INFO L87 Difference]: Start difference. First operand 28742 states and 51879 transitions. cyclomatic complexity: 23271 Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-20 22:43:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:28,712 INFO L93 Difference]: Finished difference Result 58497 states and 104304 transitions. [2024-11-20 22:43:28,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58497 states and 104304 transitions. [2024-11-20 22:43:29,074 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17482 [2024-11-20 22:43:29,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58497 states to 58497 states and 104304 transitions. [2024-11-20 22:43:29,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58023 [2024-11-20 22:43:29,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58023 [2024-11-20 22:43:29,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58497 states and 104304 transitions. [2024-11-20 22:43:29,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:29,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58497 states and 104304 transitions. [2024-11-20 22:43:29,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58497 states and 104304 transitions. [2024-11-20 22:43:29,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58497 to 56860. [2024-11-20 22:43:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56860 states, 56860 states have (on average 1.8056102708406612) internal successors, (102667), 56859 states have internal predecessors, (102667), 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) [2024-11-20 22:43:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56860 states to 56860 states and 102667 transitions. [2024-11-20 22:43:29,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56860 states and 102667 transitions. [2024-11-20 22:43:29,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 22:43:29,935 INFO L425 stractBuchiCegarLoop]: Abstraction has 56860 states and 102667 transitions. [2024-11-20 22:43:29,935 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-20 22:43:29,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56860 states and 102667 transitions. [2024-11-20 22:43:30,337 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17048 [2024-11-20 22:43:30,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:30,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:30,338 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:43:30,338 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:30,338 INFO L745 eck$LassoCheckResult]: Stem: 850623#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 850207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 850208#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 860975#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 856477#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 849250#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 849251#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 853120#L1317 assume !(0 == getOrigin_~person#1); 852532#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 846915#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 846916#L964 assume !(0 == initPersonOnFloor_~floor#1); 859291#L991 assume !(1 == initPersonOnFloor_~floor#1); 850521#L1018 assume !(2 == initPersonOnFloor_~floor#1); 845289#L1045 assume 3 == initPersonOnFloor_~floor#1; 845290#L1046 assume !(0 == initPersonOnFloor_~person#1); 859676#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 842668#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 842669#L756 assume !(0 == callOnFloor_~floorID#1); 842942#L759 assume !(1 == callOnFloor_~floorID#1); 842943#L762 assume !(2 == callOnFloor_~floorID#1); 843083#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 843084#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 856787#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 856788#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 859995#L1317-1 assume !(0 == getOrigin_~person#1); 852925#L1321-1 assume !(1 == getOrigin_~person#1); 851345#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 851346#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 843601#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 842304#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 842305#L1018-1 assume !(2 == initPersonOnFloor_~floor#1); 854641#L1045-1 assume !(3 == initPersonOnFloor_~floor#1); 858549#L1072-2 assume !(4 == initPersonOnFloor_~floor#1); 844899#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 856567#L756-2 assume !(0 == callOnFloor_~floorID#1); 856568#L759-2 assume !(1 == callOnFloor_~floorID#1); 851373#L762-2 assume !(2 == callOnFloor_~floorID#1); 851374#L765-2 assume !(3 == callOnFloor_~floorID#1); 848400#L768-3 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 848401#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 861534#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 861533#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 861532#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 861531#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 861530#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 861529#L3060 assume 0 != timeShift_~tmp~29#1; 861528#L3061 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 861527#L693 assume !(0 == isFloorCalling_~floorID#1); 861526#L697 assume !(1 == isFloorCalling_~floorID#1); 861525#L701 assume !(2 == isFloorCalling_~floorID#1); 861524#L705 assume !(3 == isFloorCalling_~floorID#1); 861523#L709 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 861522#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 861521#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 861519#L2777 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 848373#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 848374#L2781 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 848405#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 862381#L2929 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 862379#L3020 assume 1 == ~doorState~0;~doorState~0 := 0; 862375#L3020-2 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 862371#L693-3 assume !(0 == isFloorCalling_~floorID#1); 862367#L697-3 assume !(1 == isFloorCalling_~floorID#1); 862360#L701-3 assume !(2 == isFloorCalling_~floorID#1); 862190#L705-3 assume !(3 == isFloorCalling_~floorID#1); 862189#L709-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 862188#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 862186#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 862047#L2632 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 861776#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 861730#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 861725#L3028 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 861721#L2689 assume !(1 == ~currentHeading~0); 861719#L2699 assume !(0 == ~currentFloorID~0); 861715#L2699-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 861694#L2705-1 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 861693#L3037-2 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 861609#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 861602#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 861603#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 861608#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 861814#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 861815#L3350-2 [2024-11-20 22:43:30,339 INFO L747 eck$LassoCheckResult]: Loop: 861815#L3350-2 assume !false; 861811#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 861810#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 861809#L3359-2 assume !false; 861807#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 861808#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 861815#L3350-2 [2024-11-20 22:43:30,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash -791097224, now seen corresponding path program 1 times [2024-11-20 22:43:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:30,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191455918] [2024-11-20 22:43:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:30,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:30,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191455918] [2024-11-20 22:43:30,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191455918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:30,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:30,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:43:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784649263] [2024-11-20 22:43:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:30,410 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:30,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 12 times [2024-11-20 22:43:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:30,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979301780] [2024-11-20 22:43:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:30,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:30,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:30,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:30,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:43:30,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:43:30,448 INFO L87 Difference]: Start difference. First operand 56860 states and 102667 transitions. cyclomatic complexity: 46075 Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2024-11-20 22:43:30,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:30,778 INFO L93 Difference]: Finished difference Result 56856 states and 102641 transitions. [2024-11-20 22:43:30,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56856 states and 102641 transitions. [2024-11-20 22:43:30,984 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17048 [2024-11-20 22:43:31,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56856 states to 56856 states and 102641 transitions. [2024-11-20 22:43:31,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56382 [2024-11-20 22:43:31,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56382 [2024-11-20 22:43:31,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56856 states and 102641 transitions. [2024-11-20 22:43:31,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:31,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56856 states and 102641 transitions. [2024-11-20 22:43:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56856 states and 102641 transitions. [2024-11-20 22:43:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56856 to 56856. [2024-11-20 22:43:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56856 states, 56856 states have (on average 1.8052800056282539) internal successors, (102641), 56855 states have internal predecessors, (102641), 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) [2024-11-20 22:43:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56856 states to 56856 states and 102641 transitions. [2024-11-20 22:43:32,139 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56856 states and 102641 transitions. [2024-11-20 22:43:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:43:32,139 INFO L425 stractBuchiCegarLoop]: Abstraction has 56856 states and 102641 transitions. [2024-11-20 22:43:32,139 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-20 22:43:32,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56856 states and 102641 transitions. [2024-11-20 22:43:32,276 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17048 [2024-11-20 22:43:32,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:32,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:32,281 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:43:32,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:32,281 INFO L745 eck$LassoCheckResult]: Stem: 964060#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 963663#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 963664#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 972480#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 969253#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 962765#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 962766#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 966315#L1317 assume !(0 == getOrigin_~person#1); 965793#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 960544#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 960545#L964 assume !(0 == initPersonOnFloor_~floor#1); 971457#L991 assume !(1 == initPersonOnFloor_~floor#1); 963960#L1018 assume !(2 == initPersonOnFloor_~floor#1); 958972#L1045 assume 3 == initPersonOnFloor_~floor#1; 958973#L1046 assume !(0 == initPersonOnFloor_~person#1); 971725#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 956389#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 956390#L756 assume !(0 == callOnFloor_~floorID#1); 956661#L759 assume !(1 == callOnFloor_~floorID#1); 956662#L762 assume !(2 == callOnFloor_~floorID#1); 956801#L765 assume !(3 == callOnFloor_~floorID#1); 956803#L768 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 966566#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 972701#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 972700#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 972699#L1317-1 assume !(0 == getOrigin_~person#1); 972698#L1321-1 assume !(1 == getOrigin_~person#1); 972697#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 972696#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 972695#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 972694#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 972693#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 972692#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 972691#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 972690#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 972686#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 972685#L756-2 assume !(0 == callOnFloor_~floorID#1); 972684#L759-2 assume !(1 == callOnFloor_~floorID#1); 972682#L762-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 961961#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 972680#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 972679#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 972678#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 972677#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 972676#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 972675#L3060 assume 0 != timeShift_~tmp~29#1; 972674#L3061 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 972673#L693 assume !(0 == isFloorCalling_~floorID#1); 972672#L697 assume !(1 == isFloorCalling_~floorID#1); 972671#L701 assume !(2 == isFloorCalling_~floorID#1); 972670#L705 assume !(3 == isFloorCalling_~floorID#1); 972669#L709 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 972668#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 972667#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 972666#L2777 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 961934#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 961935#L2781 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 956131#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 956132#L2929 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 964283#L3020 assume 1 == ~doorState~0;~doorState~0 := 0; 964284#L3020-2 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 972176#L693-3 assume !(0 == isFloorCalling_~floorID#1); 965844#L697-3 assume !(1 == isFloorCalling_~floorID#1); 965845#L701-3 assume !(2 == isFloorCalling_~floorID#1); 965930#L705-3 assume !(3 == isFloorCalling_~floorID#1); 965931#L709-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 970677#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 970678#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 971903#L2632 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 971905#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 972914#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 972910#L3028 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 972906#L2689 assume !(1 == ~currentHeading~0); 972900#L2699 assume !(0 == ~currentFloorID~0); 972896#L2699-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 972889#L2705-1 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 972820#L3037-2 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 972736#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 972729#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 972730#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 972735#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 972870#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 972871#L3350-2 [2024-11-20 22:43:32,281 INFO L747 eck$LassoCheckResult]: Loop: 972871#L3350-2 assume !false; 972868#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 972869#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 972885#L3359-2 assume !false; 972878#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 972879#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 972871#L3350-2 [2024-11-20 22:43:32,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1465801670, now seen corresponding path program 1 times [2024-11-20 22:43:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:32,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330733689] [2024-11-20 22:43:32,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:32,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:32,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330733689] [2024-11-20 22:43:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330733689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111041069] [2024-11-20 22:43:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:32,360 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:32,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 13 times [2024-11-20 22:43:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828717628] [2024-11-20 22:43:32,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:32,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:32,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:32,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:32,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:32,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:43:32,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:43:32,393 INFO L87 Difference]: Start difference. First operand 56856 states and 102641 transitions. cyclomatic complexity: 46053 Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-20 22:43:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:43:33,218 INFO L93 Difference]: Finished difference Result 56873 states and 102649 transitions. [2024-11-20 22:43:33,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56873 states and 102649 transitions. [2024-11-20 22:43:33,407 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17048 [2024-11-20 22:43:33,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56873 states to 56873 states and 102649 transitions. [2024-11-20 22:43:33,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56399 [2024-11-20 22:43:33,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56399 [2024-11-20 22:43:33,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56873 states and 102649 transitions. [2024-11-20 22:43:33,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:43:33,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56873 states and 102649 transitions. [2024-11-20 22:43:33,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56873 states and 102649 transitions. [2024-11-20 22:43:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56873 to 56873. [2024-11-20 22:43:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56873 states, 56873 states have (on average 1.8048810507622246) internal successors, (102649), 56872 states have internal predecessors, (102649), 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) [2024-11-20 22:43:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56873 states to 56873 states and 102649 transitions. [2024-11-20 22:43:34,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56873 states and 102649 transitions. [2024-11-20 22:43:34,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:43:34,514 INFO L425 stractBuchiCegarLoop]: Abstraction has 56873 states and 102649 transitions. [2024-11-20 22:43:34,514 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-11-20 22:43:34,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56873 states and 102649 transitions. [2024-11-20 22:43:34,646 INFO L131 ngComponentsAnalysis]: Automaton has 244 accepting balls. 17048 [2024-11-20 22:43:34,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:43:34,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:43:34,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:43:34,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:43:34,647 INFO L745 eck$LassoCheckResult]: Stem: 1077791#$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);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 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; 1077394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 1077395#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1086257#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1083016#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 1076495#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 1076496#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~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 1080053#L1317 assume !(0 == getOrigin_~person#1); 1079533#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 1074272#getOrigin_returnLabel#1 aliceCall_#t~ret19#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1074273#L964 assume !(0 == initPersonOnFloor_~floor#1); 1085242#L991 assume !(1 == initPersonOnFloor_~floor#1); 1077690#L1018 assume !(2 == initPersonOnFloor_~floor#1); 1072702#L1045 assume 3 == initPersonOnFloor_~floor#1; 1072703#L1046 assume !(0 == initPersonOnFloor_~person#1); 1085507#L1049 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 1070125#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1070126#L756 assume !(0 == callOnFloor_~floorID#1); 1070397#L759 assume !(1 == callOnFloor_~floorID#1); 1070398#L762 assume !(2 == callOnFloor_~floorID#1); 1070537#L765 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 1070538#L768-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 1083277#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 1083278#aliceCall_returnLabel#1 havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 1085702#L1317-1 assume !(0 == getOrigin_~person#1); 1079884#L1321-1 assume !(1 == getOrigin_~person#1); 1078452#L1325-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 1078453#getOrigin_returnLabel#2 angelinaCall_#t~ret20#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1071047#L964-1 assume !(0 == initPersonOnFloor_~floor#1); 1069763#L991-1 assume !(1 == initPersonOnFloor_~floor#1); 1069764#L1018-1 assume 2 == initPersonOnFloor_~floor#1; 1079554#L1019-2 assume !(0 == initPersonOnFloor_~person#1); 1073152#L1022-2 assume !(1 == initPersonOnFloor_~person#1); 1073153#L1025-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 1078778#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1078779#L756-2 assume !(0 == callOnFloor_~floorID#1); 1079562#L759-2 assume !(1 == callOnFloor_~floorID#1); 1078476#L762-2 assume !(2 == callOnFloor_~floorID#1); 1078477#L765-2 assume !(3 == callOnFloor_~floorID#1); 1075687#L768-3 assume 4 == callOnFloor_~floorID#1;~calls_4~0 := 1; 1075688#L768-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 1086474#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 1086473#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 1086472#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 1086471#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 1086470#areDoorsOpen_returnLabel#1 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 1086469#L3060 assume 0 != timeShift_~tmp~29#1; 1086468#L3061 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~28#1;havoc timeShift__wrappee__executivefloor_~tmp___0~12#1;havoc timeShift__wrappee__executivefloor_~tmp___1~7#1;havoc timeShift__wrappee__executivefloor_~tmp___2~5#1;havoc timeShift__wrappee__executivefloor_~tmp___3~4#1;havoc timeShift__wrappee__executivefloor_~tmp___4~3#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~26#1;havoc stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 1086467#L693 assume !(0 == isFloorCalling_~floorID#1); 1086466#L697 assume !(1 == isFloorCalling_~floorID#1); 1086465#L701 assume !(2 == isFloorCalling_~floorID#1); 1086464#L705 assume !(3 == isFloorCalling_~floorID#1); 1086463#L709 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 1086462#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 1086461#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret88#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~26#1 := stopRequestedAtCurrentFloor_#t~ret88#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1; 1086459#L2777 assume 0 != stopRequestedAtCurrentFloor_~tmp~26#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 1075661#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret89#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~10#1 := stopRequestedAtCurrentFloor_#t~ret89#1;havoc stopRequestedAtCurrentFloor_#t~ret89#1; 1075662#L2781 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 1075690#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret104#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret88#1, stopRequestedAtCurrentFloor_#t~ret89#1, stopRequestedAtCurrentFloor_#t~ret90#1, stopRequestedAtCurrentFloor_#t~ret91#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~26#1, stopRequestedAtCurrentFloor_~tmp___0~10#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret104#1;havoc timeShift__wrappee__executivefloor_#t~ret104#1; 1086885#L2929 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 1086883#L3020 assume 1 == ~doorState~0;~doorState~0 := 0; 1086881#L3020-2 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~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~23#1;havoc stopRequestedInDirection_~tmp~22#1;havoc stopRequestedInDirection_~tmp___0~7#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 1086879#L693-3 assume !(0 == isFloorCalling_~floorID#1); 1086877#L697-3 assume !(1 == isFloorCalling_~floorID#1); 1086875#L701-3 assume !(2 == isFloorCalling_~floorID#1); 1086874#L705-3 assume !(3 == isFloorCalling_~floorID#1); 1086873#L709-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 1086828#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret144#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~2#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret144#1;havoc isExecutiveFloorCalling_#t~ret144#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 1086824#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret79#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret144#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~7#1 := stopRequestedInDirection_#t~ret79#1;havoc stopRequestedInDirection_#t~ret79#1; 1086822#L2632 assume 0 != stopRequestedInDirection_~tmp___0~7#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 1086821#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret80#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~22#1 := stopRequestedInDirection_#t~ret80#1;havoc stopRequestedInDirection_#t~ret80#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~22#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 1086818#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret111#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret79#1, stopRequestedInDirection_#t~ret80#1, stopRequestedInDirection_#t~ret81#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~22#1, stopRequestedInDirection_~tmp___0~7#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret111#1;havoc timeShift__wrappee__executivefloor_#t~ret111#1; 1086816#L3028 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~23#1;~currentHeading~0 := continueInDirection_~dir#1; 1086813#L2689 assume !(1 == ~currentHeading~0); 1086811#L2699 assume !(0 == ~currentFloorID~0); 1086808#L2699-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1086595#L2705-1 havoc continueInDirection_#t~ret82#1, continueInDirection_~dir#1, continueInDirection_~tmp~23#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 1086594#L3037-2 havoc timeShift__wrappee__executivefloor_#t~ret104#1, timeShift__wrappee__executivefloor_#t~ret105#1, timeShift__wrappee__executivefloor_#t~ret106#1, timeShift__wrappee__executivefloor_#t~ret107#1, timeShift__wrappee__executivefloor_#t~ret108#1, timeShift__wrappee__executivefloor_#t~ret109#1, timeShift__wrappee__executivefloor_#t~ret110#1, timeShift__wrappee__executivefloor_#t~ret111#1, timeShift__wrappee__executivefloor_#t~ret112#1, timeShift__wrappee__executivefloor_#t~ret113#1, timeShift__wrappee__executivefloor_#t~ret114#1, timeShift__wrappee__executivefloor_~tmp~28#1, timeShift__wrappee__executivefloor_~tmp___0~12#1, timeShift__wrappee__executivefloor_~tmp___1~7#1, timeShift__wrappee__executivefloor_~tmp___2~5#1, timeShift__wrappee__executivefloor_~tmp___3~4#1, timeShift__wrappee__executivefloor_~tmp___4~3#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 1086510#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 1086503#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 1086504#L189 assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 1086509#L3280 assume !(1 == existInLiftCallsInDirection_~d#1); 1086766#L3346 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 1086767#L3350-2 [2024-11-20 22:43:34,647 INFO L747 eck$LassoCheckResult]: Loop: 1086767#L3350-2 assume !false; 1086765#L3351 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 1086762#L3352 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 1086761#L3359-2 assume !false; 1086759#L3360 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 1086760#L3418 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 1086767#L3350-2 [2024-11-20 22:43:34,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:34,648 INFO L85 PathProgramCache]: Analyzing trace with hash 458917825, now seen corresponding path program 1 times [2024-11-20 22:43:34,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:34,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85807986] [2024-11-20 22:43:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:34,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:43:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:43:34,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:43:34,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85807986] [2024-11-20 22:43:34,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85807986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:43:34,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:43:34,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:43:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067478550] [2024-11-20 22:43:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:43:34,729 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:43:34,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:43:34,729 INFO L85 PathProgramCache]: Analyzing trace with hash -2025047829, now seen corresponding path program 14 times [2024-11-20 22:43:34,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:43:34,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83325034] [2024-11-20 22:43:34,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:43:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:43:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:34,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:43:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:43:34,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:43:34,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:43:34,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:43:34,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:43:34,762 INFO L87 Difference]: Start difference. First operand 56873 states and 102649 transitions. cyclomatic complexity: 46044 Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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)