./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_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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_product30.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 d84130cab59568fb669543ac086f4847eedfc87145b3c30d32e19c1d0d03b42f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:43:36,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:43:36,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:43:36,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:43:36,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:43:36,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:43:36,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:43:36,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:43:36,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:43:36,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:43:36,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:43:36,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:43:36,557 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:43:36,557 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:43:36,558 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:43:36,558 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:43:36,558 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:43:36,559 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:43:36,559 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:43:36,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:43:36,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:43:36,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:43:36,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:43:36,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:43:36,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:43:36,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:43:36,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:43:36,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:43:36,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:43:36,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:43:36,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:43:36,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:43:36,564 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:43:36,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:43:36,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:43:36,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:43:36,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:43:36,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:43:36,570 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:43:36,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d84130cab59568fb669543ac086f4847eedfc87145b3c30d32e19c1d0d03b42f [2024-10-15 00:43:36,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:43:36,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:43:36,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:43:36,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:43:36,843 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:43:36,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product30.cil.c [2024-10-15 00:43:38,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:43:38,564 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:43:38,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product30.cil.c [2024-10-15 00:43:38,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d48aef3d/1c53af0f670043e180db794f4fe5e8d4/FLAG8ff9ced30 [2024-10-15 00:43:38,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d48aef3d/1c53af0f670043e180db794f4fe5e8d4 [2024-10-15 00:43:38,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:43:38,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:43:38,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:43:38,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:43:38,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:43:38,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:43:38" (1/1) ... [2024-10-15 00:43:38,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77347f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:38, skipping insertion in model container [2024-10-15 00:43:38,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:43:38" (1/1) ... [2024-10-15 00:43:38,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:43:39,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:43:39,431 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:43:39,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [48] [2024-10-15 00:43:39,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [169] [2024-10-15 00:43:39,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [837] [2024-10-15 00:43:39,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [932] [2024-10-15 00:43:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1290] [2024-10-15 00:43:39,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1382] [2024-10-15 00:43:39,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2960] [2024-10-15 00:43:39,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2995] [2024-10-15 00:43:39,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3004] [2024-10-15 00:43:39,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [3019] [2024-10-15 00:43:39,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:43:39,718 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:43:39,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39 WrapperNode [2024-10-15 00:43:39,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:43:39,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:43:39,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:43:39,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:43:39,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:39,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:40,464 INFO L138 Inliner]: procedures = 93, calls = 347, calls flagged for inlining = 199, calls inlined = 1885, statements flattened = 66512 [2024-10-15 00:43:40,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:43:40,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:43:40,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:43:40,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:43:40,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:40,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:40,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:40,890 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 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]. [2024-10-15 00:43:40,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:40,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:41,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:41,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:41,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:42,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:42,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:43:42,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:43:42,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:43:42,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:43:42,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (1/1) ... [2024-10-15 00:43:42,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:43:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:43:42,187 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) [2024-10-15 00:43:42,191 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 [2024-10-15 00:43:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 00:43:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 00:43:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-15 00:43:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-15 00:43:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:43:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:43:42,441 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:43:42,443 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:44:05,024 INFO L? ?]: Removed 28862 outVars from TransFormulas that were not future-live. [2024-10-15 00:44:05,024 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:44:05,213 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:44:05,213 INFO L314 CfgBuilder]: Removed 61 assume(true) statements. [2024-10-15 00:44:05,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:44:05 BoogieIcfgContainer [2024-10-15 00:44:05,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:44:05,215 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:44:05,215 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:44:05,219 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:44:05,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:44:05,219 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:43:38" (1/3) ... [2024-10-15 00:44:05,220 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d9278ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:44:05, skipping insertion in model container [2024-10-15 00:44:05,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:44:05,221 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:43:39" (2/3) ... [2024-10-15 00:44:05,221 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d9278ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:44:05, skipping insertion in model container [2024-10-15 00:44:05,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:44:05,221 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:44:05" (3/3) ... [2024-10-15 00:44:05,222 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product30.cil.c [2024-10-15 00:44:05,488 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:44:05,489 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:44:05,489 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:44:05,489 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:44:05,489 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:44:05,489 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:44:05,489 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:44:05,490 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:44:05,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17942 states, 17941 states have (on average 1.8803299704587257) internal successors, (33735), 17941 states have internal predecessors, (33735), 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) [2024-10-15 00:44:05,837 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2024-10-15 00:44:05,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:05,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:05,846 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] [2024-10-15 00:44:05,846 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:05,846 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:44:05,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17942 states, 17941 states have (on average 1.8803299704587257) internal successors, (33735), 17941 states have internal predecessors, (33735), 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) [2024-10-15 00:44:06,247 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2024-10-15 00:44:06,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:06,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:06,249 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] [2024-10-15 00:44:06,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:06,255 INFO L745 eck$LassoCheckResult]: Stem: 4669#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4386#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 16602#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16276#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 9632#valid_product_returnLabel#1true main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 9011#L1277true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 10459#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 2461#L95true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 2418#getOrigin_returnLabel#1true aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 17148#L530true assume 0 == initPersonOnFloor_~floor#1; 11856#L531true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 14404#L638-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 13174#L322true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 12614#L334-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 9898#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 16222#aliceCall_returnLabel#1true havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 89#L95-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 9403#getOrigin_returnLabel#2true angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 7044#L530-1true assume 0 == initPersonOnFloor_~floor#1; 13078#L531-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 10115#L638-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2952#L322-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4390#L334-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3106#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7396#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 6809#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 12525#__utac_acc__Specification13_spec__1_returnLabel#1true havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 14232#areDoorsOpen_returnLabel#1true timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 2458#L2587true assume 0 != timeShift_~tmp~24#1; 5500#L2588true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 17499#L2587-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 5134#L869true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 3712#L870true 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 12393#L2807true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 6368#L2811-2true [2024-10-15 00:44:06,256 INFO L747 eck$LassoCheckResult]: Loop: 6368#L2811-2true assume !false; 4977#L2812true assume existInLiftCallsInDirection_~i~3#1 < 5; 523#L2813true assume !(0 == existInLiftCallsInDirection_~i~3#1); 15400#$Ultimate##7112true assume !(1 == existInLiftCallsInDirection_~i~3#1); 15878#$Ultimate##7116true assume !(2 == existInLiftCallsInDirection_~i~3#1); 6474#$Ultimate##7120true assume !(3 == existInLiftCallsInDirection_~i~3#1); 2234#$Ultimate##7124true assume !(4 == existInLiftCallsInDirection_~i~3#1); 1017#L2854-1true existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 6368#L2811-2true [2024-10-15 00:44:06,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1529622645, now seen corresponding path program 1 times [2024-10-15 00:44:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735481429] [2024-10-15 00:44:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:06,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:06,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735481429] [2024-10-15 00:44:06,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735481429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:06,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:06,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:44:06,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230732024] [2024-10-15 00:44:06,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:06,779 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:06,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:06,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1374005635, now seen corresponding path program 1 times [2024-10-15 00:44:06,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:06,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621666952] [2024-10-15 00:44:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:06,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:06,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:06,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:06,905 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:44:06,906 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:44:06,906 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:44:06,906 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:44:06,907 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:44:06,907 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:06,907 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:44:06,907 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:44:06,907 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product30.cil.c_Iteration1_Loop [2024-10-15 00:44:06,907 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:44:06,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:44:06,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:44:07,012 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:44:07,012 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:44:07,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:07,016 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) [2024-10-15 00:44:07,017 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 [2024-10-15 00:44:07,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:44:07,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:44:07,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-15 00:44:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:07,046 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) [2024-10-15 00:44:07,048 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 [2024-10-15 00:44:07,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:44:07,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:44:07,099 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:44:07,105 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 [2024-10-15 00:44:07,105 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:44:07,105 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:44:07,105 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:44:07,105 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:44:07,106 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:44:07,106 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:07,106 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:44:07,106 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:44:07,106 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product30.cil.c_Iteration1_Loop [2024-10-15 00:44:07,106 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:44:07,106 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:44:07,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:44:07,158 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:44:07,162 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:44:07,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:07,165 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) [2024-10-15 00:44:07,167 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 [2024-10-15 00:44:07,168 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 [2024-10-15 00:44:07,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:44:07,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:44:07,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:44:07,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:44:07,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:44:07,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:44:07,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:44:07,186 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:44:07,191 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:44:07,191 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:44:07,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:07,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:07,214 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) [2024-10-15 00:44:07,216 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 [2024-10-15 00:44:07,218 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:44:07,218 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:44:07,219 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:44:07,219 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 [] [2024-10-15 00:44:07,234 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 [2024-10-15 00:44:07,237 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:44:07,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:07,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:44:07,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:44:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:07,485 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:44:07,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:44:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:07,689 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 [2024-10-15 00:44:07,726 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17942 states, 17941 states have (on average 1.8803299704587257) internal successors, (33735), 17941 states have internal predecessors, (33735), 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) [2024-10-15 00:44:08,342 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 [2024-10-15 00:44:09,792 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17942 states, 17941 states have (on average 1.8803299704587257) internal successors, (33735), 17941 states have internal predecessors, (33735), 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 46772 states and 87884 transitions. Complement of second has 18 states. [2024-10-15 00:44:09,798 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 [2024-10-15 00:44:09,804 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) [2024-10-15 00:44:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60829 transitions. [2024-10-15 00:44:09,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60829 transitions. Stem has 34 letters. Loop has 8 letters. [2024-10-15 00:44:09,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:09,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60829 transitions. Stem has 42 letters. Loop has 8 letters. [2024-10-15 00:44:09,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:09,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60829 transitions. Stem has 34 letters. Loop has 16 letters. [2024-10-15 00:44:09,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:09,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46772 states and 87884 transitions. [2024-10-15 00:44:10,363 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8066 [2024-10-15 00:44:10,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46772 states to 32281 states and 60573 transitions. [2024-10-15 00:44:10,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32251 [2024-10-15 00:44:10,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32252 [2024-10-15 00:44:10,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32281 states and 60573 transitions. [2024-10-15 00:44:10,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:10,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32281 states and 60573 transitions. [2024-10-15 00:44:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32281 states and 60573 transitions. [2024-10-15 00:44:11,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32281 to 32255. [2024-10-15 00:44:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32255 states, 32255 states have (on average 1.876732289567509) internal successors, (60534), 32254 states have internal predecessors, (60534), 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) [2024-10-15 00:44:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32255 states to 32255 states and 60534 transitions. [2024-10-15 00:44:11,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32255 states and 60534 transitions. [2024-10-15 00:44:11,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:11,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:44:11,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:44:11,602 INFO L87 Difference]: Start difference. First operand 32255 states and 60534 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) [2024-10-15 00:44:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:12,762 INFO L93 Difference]: Finished difference Result 32237 states and 60403 transitions. [2024-10-15 00:44:12,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32237 states and 60403 transitions. [2024-10-15 00:44:13,118 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8050 [2024-10-15 00:44:13,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32237 states to 32228 states and 60394 transitions. [2024-10-15 00:44:13,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32209 [2024-10-15 00:44:13,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32209 [2024-10-15 00:44:13,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32228 states and 60394 transitions. [2024-10-15 00:44:13,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:13,300 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32228 states and 60394 transitions. [2024-10-15 00:44:13,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32228 states and 60394 transitions. [2024-10-15 00:44:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32228 to 17929. [2024-10-15 00:44:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17929 states, 17929 states have (on average 1.874003011880194) internal successors, (33599), 17928 states have internal predecessors, (33599), 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) [2024-10-15 00:44:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17929 states to 17929 states and 33599 transitions. [2024-10-15 00:44:13,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17929 states and 33599 transitions. [2024-10-15 00:44:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:44:13,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 17929 states and 33599 transitions. [2024-10-15 00:44:13,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:44:13,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17929 states and 33599 transitions. [2024-10-15 00:44:13,765 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4072 [2024-10-15 00:44:13,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:13,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:13,769 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] [2024-10-15 00:44:13,769 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:13,769 INFO L745 eck$LassoCheckResult]: Stem: 138461#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 138047#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 138048#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 147163#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 144060#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 143545#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 143546#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 134860#L95 assume !(0 == getOrigin_~person#1); 131161#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 131162#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 134777#L530 assume 0 == initPersonOnFloor_~floor#1; 145617#L531 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 129529#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 146266#L322 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 129782#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 144269#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 144270#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 129618#L95-1 assume !(0 == getOrigin_~person#1); 129619#L99-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 130377#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 141595#L530-1 assume 0 == initPersonOnFloor_~floor#1; 141596#L531-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 129905#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 135729#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 130448#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 135978#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 135979#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 141331#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 141332#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 145959#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 134853#L2587 assume 0 != timeShift_~tmp~24#1; 134854#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 136464#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 139149#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 136998#L870 assume !(1 == ~prevDir~0); 136999#L896 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 146667#L2807-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 141294#L2811-8 [2024-10-15 00:44:13,770 INFO L747 eck$LassoCheckResult]: Loop: 141294#L2811-8 assume !false; 141295#L2812-2 assume existInLiftCallsInDirection_~i~3#1 < 5; 141880#L2813-2 assume !(0 == existInLiftCallsInDirection_~i~3#1); 137266#$Ultimate##7268 assume !(1 == existInLiftCallsInDirection_~i~3#1); 137268#$Ultimate##7272 assume !(2 == existInLiftCallsInDirection_~i~3#1); 140189#$Ultimate##7276 assume !(3 == existInLiftCallsInDirection_~i~3#1); 140190#$Ultimate##7280 assume !(4 == existInLiftCallsInDirection_~i~3#1); 146223#L2854-5 existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 141294#L2811-8 [2024-10-15 00:44:13,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:13,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1898793016, now seen corresponding path program 1 times [2024-10-15 00:44:13,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:13,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446482067] [2024-10-15 00:44:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:13,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:14,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:14,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446482067] [2024-10-15 00:44:14,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446482067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:14,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:14,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:44:14,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158284811] [2024-10-15 00:44:14,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:14,198 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:14,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1728061053, now seen corresponding path program 1 times [2024-10-15 00:44:14,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:14,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829376388] [2024-10-15 00:44:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:14,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:14,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:14,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:14,272 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:44:14,273 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:44:14,273 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:44:14,273 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:44:14,273 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:44:14,273 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,273 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:44:14,273 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:44:14,273 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product30.cil.c_Iteration2_Loop [2024-10-15 00:44:14,274 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:44:14,274 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:44:14,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:44:14,322 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:44:14,323 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:44:14,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:14,325 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) [2024-10-15 00:44:14,326 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 [2024-10-15 00:44:14,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:44:14,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:44:14,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-15 00:44:14,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:14,360 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) [2024-10-15 00:44:14,361 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 [2024-10-15 00:44:14,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:44:14,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:44:14,397 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:44:14,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-15 00:44:14,403 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:44:14,403 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:44:14,404 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:44:14,404 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:44:14,404 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:44:14,404 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,404 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:44:14,404 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:44:14,404 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product30.cil.c_Iteration2_Loop [2024-10-15 00:44:14,404 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:44:14,404 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:44:14,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:44:14,456 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:44:14,457 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:44:14,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:14,459 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) [2024-10-15 00:44:14,463 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 [2024-10-15 00:44:14,464 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 [2024-10-15 00:44:14,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:44:14,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:44:14,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:44:14,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:44:14,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:44:14,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:44:14,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:44:14,481 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:44:14,485 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:44:14,485 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:44:14,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:44:14,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:44:14,489 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) [2024-10-15 00:44:14,491 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 [2024-10-15 00:44:14,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:44:14,492 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:44:14,492 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:44:14,492 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 [] [2024-10-15 00:44:14,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-15 00:44:14,508 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:44:14,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:14,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:44:14,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:44:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:14,682 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:44:14,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:44:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:14,841 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 [2024-10-15 00:44:14,841 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17929 states and 33599 transitions. cyclomatic complexity: 15704 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) [2024-10-15 00:44:15,436 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 [2024-10-15 00:44:16,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17929 states and 33599 transitions. cyclomatic complexity: 15704. 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 32284 states and 60477 transitions. Complement of second has 17 states. [2024-10-15 00:44:16,080 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 [2024-10-15 00:44:16,082 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) [2024-10-15 00:44:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33586 transitions. [2024-10-15 00:44:16,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33586 transitions. Stem has 37 letters. Loop has 8 letters. [2024-10-15 00:44:16,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:16,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33586 transitions. Stem has 45 letters. Loop has 8 letters. [2024-10-15 00:44:16,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:16,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33586 transitions. Stem has 37 letters. Loop has 16 letters. [2024-10-15 00:44:16,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:44:16,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32284 states and 60477 transitions. [2024-10-15 00:44:16,453 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8064 [2024-10-15 00:44:16,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32284 states to 32278 states and 60471 transitions. [2024-10-15 00:44:16,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32229 [2024-10-15 00:44:16,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32230 [2024-10-15 00:44:16,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32278 states and 60471 transitions. [2024-10-15 00:44:16,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:16,623 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32278 states and 60471 transitions. [2024-10-15 00:44:16,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32278 states and 60471 transitions. [2024-10-15 00:44:16,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32278 to 17953. [2024-10-15 00:44:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17953 states, 17953 states have (on average 1.8736144376984347) internal successors, (33637), 17952 states have internal predecessors, (33637), 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) [2024-10-15 00:44:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17953 states to 17953 states and 33637 transitions. [2024-10-15 00:44:17,023 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17953 states and 33637 transitions. [2024-10-15 00:44:17,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:17,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:44:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:44:17,024 INFO L87 Difference]: Start difference. First operand 17953 states and 33637 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) [2024-10-15 00:44:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:17,641 INFO L93 Difference]: Finished difference Result 17971 states and 33655 transitions. [2024-10-15 00:44:17,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17971 states and 33655 transitions. [2024-10-15 00:44:17,727 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:17,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17971 states to 17971 states and 33655 transitions. [2024-10-15 00:44:17,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17933 [2024-10-15 00:44:17,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17933 [2024-10-15 00:44:17,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17971 states and 33655 transitions. [2024-10-15 00:44:17,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:17,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17971 states and 33655 transitions. [2024-10-15 00:44:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17971 states and 33655 transitions. [2024-10-15 00:44:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17971 to 17968. [2024-10-15 00:44:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17968 states, 17968 states have (on average 1.8728851291184327) internal successors, (33652), 17967 states have internal predecessors, (33652), 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) [2024-10-15 00:44:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17968 states to 17968 states and 33652 transitions. [2024-10-15 00:44:18,100 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17968 states and 33652 transitions. [2024-10-15 00:44:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:44:18,102 INFO L425 stractBuchiCegarLoop]: Abstraction has 17968 states and 33652 transitions. [2024-10-15 00:44:18,102 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:44:18,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17968 states and 33652 transitions. [2024-10-15 00:44:18,293 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:18,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:18,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:18,296 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] [2024-10-15 00:44:18,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:18,296 INFO L745 eck$LassoCheckResult]: Stem: 224777#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 224363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 224364#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 233498#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 230384#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 229870#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 229871#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 221174#L95 assume !(0 == getOrigin_~person#1); 217475#L99 assume !(1 == getOrigin_~person#1); 217477#L103 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 220864#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 233648#L530 assume 0 == initPersonOnFloor_~floor#1; 231944#L531 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 215844#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 232596#L322 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 216097#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 230595#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 230596#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 215933#L95-1 assume !(0 == getOrigin_~person#1); 215934#L99-1 assume !(1 == getOrigin_~person#1); 228207#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 216691#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 233644#L530-1 assume 0 == initPersonOnFloor_~floor#1; 232557#L531-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 216220#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 222043#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 216762#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 222292#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 222293#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 227653#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 227654#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 232286#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 221167#L2587 assume 0 != timeShift_~tmp~24#1; 221168#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 222778#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 225465#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 223312#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 223314#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 225524#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 225525#L2877-2 [2024-10-15 00:44:18,297 INFO L747 eck$LassoCheckResult]: Loop: 225525#L2877-2 assume !false; 221997#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 221998#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 220307#L2886-2 assume !false; 220308#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 221248#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 225525#L2877-2 [2024-10-15 00:44:18,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:18,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1378400671, now seen corresponding path program 1 times [2024-10-15 00:44:18,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:18,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685419602] [2024-10-15 00:44:18,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:18,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:18,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:18,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685419602] [2024-10-15 00:44:18,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685419602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:18,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:18,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:44:18,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839297362] [2024-10-15 00:44:18,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:18,383 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:18,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:18,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 1 times [2024-10-15 00:44:18,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:18,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750526303] [2024-10-15 00:44:18,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:18,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:18,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:18,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:18,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:18,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:44:18,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:44:18,451 INFO L87 Difference]: Start difference. First operand 17968 states and 33652 transitions. cyclomatic complexity: 15719 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) [2024-10-15 00:44:18,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:18,695 INFO L93 Difference]: Finished difference Result 17934 states and 33584 transitions. [2024-10-15 00:44:18,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17934 states and 33584 transitions. [2024-10-15 00:44:18,766 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:18,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17934 states to 17934 states and 33584 transitions. [2024-10-15 00:44:18,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17896 [2024-10-15 00:44:18,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17896 [2024-10-15 00:44:18,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17934 states and 33584 transitions. [2024-10-15 00:44:18,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:18,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17934 states and 33584 transitions. [2024-10-15 00:44:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17934 states and 33584 transitions. [2024-10-15 00:44:19,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17934 to 17934. [2024-10-15 00:44:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17934 states, 17934 states have (on average 1.8726441396230624) internal successors, (33584), 17933 states have internal predecessors, (33584), 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) [2024-10-15 00:44:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17934 states to 17934 states and 33584 transitions. [2024-10-15 00:44:19,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17934 states and 33584 transitions. [2024-10-15 00:44:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:44:19,346 INFO L425 stractBuchiCegarLoop]: Abstraction has 17934 states and 33584 transitions. [2024-10-15 00:44:19,346 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:44:19,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17934 states and 33584 transitions. [2024-10-15 00:44:19,430 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:19,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:19,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:19,432 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] [2024-10-15 00:44:19,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:19,432 INFO L745 eck$LassoCheckResult]: Stem: 260671#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 260257#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 260258#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 269376#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 266274#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 265760#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 265761#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 257074#L95 assume !(0 == getOrigin_~person#1); 253381#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 253382#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 256991#L530 assume !(0 == initPersonOnFloor_~floor#1); 268125#L557 assume !(1 == initPersonOnFloor_~floor#1); 255360#L584 assume !(2 == initPersonOnFloor_~floor#1); 255361#L611 assume 3 == initPersonOnFloor_~floor#1; 266845#L612 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 251752#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 268475#L322 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 252005#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 266484#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 266485#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 251841#L95-1 assume !(0 == getOrigin_~person#1); 251842#L99-1 assume !(1 == getOrigin_~person#1); 264097#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 252597#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 269522#L530-1 assume 0 == initPersonOnFloor_~floor#1; 268438#L531-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 252128#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 257941#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 252668#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 258190#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 258191#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 263543#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 263544#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 268169#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 257067#L2587 assume 0 != timeShift_~tmp~24#1; 257068#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 258674#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 261357#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 259208#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 259210#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 261416#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 261417#L2877-2 [2024-10-15 00:44:19,433 INFO L747 eck$LassoCheckResult]: Loop: 261417#L2877-2 assume !false; 257895#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 257896#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 256210#L2886-2 assume !false; 256211#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 257148#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 261417#L2877-2 [2024-10-15 00:44:19,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash 368657234, now seen corresponding path program 1 times [2024-10-15 00:44:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783361524] [2024-10-15 00:44:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:19,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:19,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783361524] [2024-10-15 00:44:19,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783361524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:19,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:19,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:44:19,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372371794] [2024-10-15 00:44:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:19,569 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:19,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 2 times [2024-10-15 00:44:19,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:19,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274001025] [2024-10-15 00:44:19,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:19,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:19,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:19,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:19,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:44:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:44:19,634 INFO L87 Difference]: Start difference. First operand 17934 states and 33584 transitions. cyclomatic complexity: 15685 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) [2024-10-15 00:44:20,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:20,301 INFO L93 Difference]: Finished difference Result 17942 states and 33591 transitions. [2024-10-15 00:44:20,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17942 states and 33591 transitions. [2024-10-15 00:44:20,605 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:20,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17942 states to 17942 states and 33591 transitions. [2024-10-15 00:44:20,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17904 [2024-10-15 00:44:20,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17904 [2024-10-15 00:44:20,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17942 states and 33591 transitions. [2024-10-15 00:44:20,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:20,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17942 states and 33591 transitions. [2024-10-15 00:44:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17942 states and 33591 transitions. [2024-10-15 00:44:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17942 to 17934. [2024-10-15 00:44:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17934 states, 17934 states have (on average 1.8723095795695328) internal successors, (33578), 17933 states have internal predecessors, (33578), 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) [2024-10-15 00:44:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17934 states to 17934 states and 33578 transitions. [2024-10-15 00:44:20,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17934 states and 33578 transitions. [2024-10-15 00:44:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:44:20,934 INFO L425 stractBuchiCegarLoop]: Abstraction has 17934 states and 33578 transitions. [2024-10-15 00:44:20,934 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:44:20,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17934 states and 33578 transitions. [2024-10-15 00:44:20,992 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:20,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:20,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:20,993 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] [2024-10-15 00:44:20,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:20,993 INFO L745 eck$LassoCheckResult]: Stem: 296555#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 296141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 296142#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 305260#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 302158#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 301644#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 301645#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 292958#L95 assume !(0 == getOrigin_~person#1); 289265#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 289266#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 292875#L530 assume !(0 == initPersonOnFloor_~floor#1); 304009#L557 assume !(1 == initPersonOnFloor_~floor#1); 291244#L584 assume !(2 == initPersonOnFloor_~floor#1); 291245#L611 assume 3 == initPersonOnFloor_~floor#1; 302729#L612 assume !(0 == initPersonOnFloor_~person#1); 302730#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 287636#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 304359#L322 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 287889#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 302368#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 302369#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 287725#L95-1 assume !(0 == getOrigin_~person#1); 287726#L99-1 assume !(1 == getOrigin_~person#1); 299981#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 288481#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 305406#L530-1 assume 0 == initPersonOnFloor_~floor#1; 304322#L531-2 assume !(0 == initPersonOnFloor_~person#1); 304156#L534-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 288012#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 293825#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 288552#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 294074#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 294075#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 299427#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 299428#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 304053#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 292951#L2587 assume 0 != timeShift_~tmp~24#1; 292952#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 294558#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 297241#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 295092#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 295094#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 297300#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 297301#L2877-2 [2024-10-15 00:44:20,994 INFO L747 eck$LassoCheckResult]: Loop: 297301#L2877-2 assume !false; 293779#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 293780#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 292094#L2886-2 assume !false; 292095#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 293032#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 297301#L2877-2 [2024-10-15 00:44:20,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash 590101782, now seen corresponding path program 1 times [2024-10-15 00:44:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:20,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772738901] [2024-10-15 00:44:20,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:20,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:21,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:21,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772738901] [2024-10-15 00:44:21,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772738901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:21,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:21,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:44:21,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92614161] [2024-10-15 00:44:21,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:21,072 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:21,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 3 times [2024-10-15 00:44:21,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:21,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381833010] [2024-10-15 00:44:21,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:21,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:21,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:21,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:44:21,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:44:21,132 INFO L87 Difference]: Start difference. First operand 17934 states and 33578 transitions. cyclomatic complexity: 15679 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) [2024-10-15 00:44:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:21,604 INFO L93 Difference]: Finished difference Result 17938 states and 33581 transitions. [2024-10-15 00:44:21,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17938 states and 33581 transitions. [2024-10-15 00:44:21,660 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:21,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17938 states to 17938 states and 33581 transitions. [2024-10-15 00:44:21,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17900 [2024-10-15 00:44:21,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17900 [2024-10-15 00:44:21,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17938 states and 33581 transitions. [2024-10-15 00:44:21,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:21,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17938 states and 33581 transitions. [2024-10-15 00:44:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17938 states and 33581 transitions. [2024-10-15 00:44:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17938 to 17938. [2024-10-15 00:44:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17938 states, 17938 states have (on average 1.8720593154197793) internal successors, (33581), 17937 states have internal predecessors, (33581), 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) [2024-10-15 00:44:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17938 states to 17938 states and 33581 transitions. [2024-10-15 00:44:21,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17938 states and 33581 transitions. [2024-10-15 00:44:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:44:21,963 INFO L425 stractBuchiCegarLoop]: Abstraction has 17938 states and 33581 transitions. [2024-10-15 00:44:21,963 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:44:21,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17938 states and 33581 transitions. [2024-10-15 00:44:22,008 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:22,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:22,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:22,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:22,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:22,010 INFO L745 eck$LassoCheckResult]: Stem: 332436#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 332022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 332023#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 341141#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 338039#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 337525#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 337526#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 328837#L95 assume !(0 == getOrigin_~person#1); 325144#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 325145#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 328754#L530 assume !(0 == initPersonOnFloor_~floor#1); 339890#L557 assume !(1 == initPersonOnFloor_~floor#1); 327123#L584 assume !(2 == initPersonOnFloor_~floor#1); 327124#L611 assume 3 == initPersonOnFloor_~floor#1; 338610#L612 assume !(0 == initPersonOnFloor_~person#1); 338611#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 323515#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 340240#L322 assume !(0 == callOnFloor_~floorID#1); 323937#L325 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 323768#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 338249#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 338250#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 323604#L95-1 assume !(0 == getOrigin_~person#1); 323605#L99-1 assume !(1 == getOrigin_~person#1); 335862#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 324360#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 341287#L530-1 assume 0 == initPersonOnFloor_~floor#1; 340203#L531-2 assume !(0 == initPersonOnFloor_~person#1); 340037#L534-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 329729#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 341302#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 324431#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 329954#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 329955#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 335308#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 335309#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 339934#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 328830#L2587 assume 0 != timeShift_~tmp~24#1; 328831#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 330438#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 333122#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 330972#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 330974#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 333181#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 333182#L2877-2 [2024-10-15 00:44:22,010 INFO L747 eck$LassoCheckResult]: Loop: 333182#L2877-2 assume !false; 329658#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 329659#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 327973#L2886-2 assume !false; 327974#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 328911#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 333182#L2877-2 [2024-10-15 00:44:22,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:22,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1215423119, now seen corresponding path program 1 times [2024-10-15 00:44:22,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:22,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485054063] [2024-10-15 00:44:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:22,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:22,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485054063] [2024-10-15 00:44:22,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485054063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:22,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:22,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:44:22,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115110932] [2024-10-15 00:44:22,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:22,079 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:22,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:22,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 4 times [2024-10-15 00:44:22,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:22,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853593817] [2024-10-15 00:44:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:22,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:22,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:22,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:22,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:22,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:44:22,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:44:22,132 INFO L87 Difference]: Start difference. First operand 17938 states and 33581 transitions. cyclomatic complexity: 15678 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) [2024-10-15 00:44:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:22,630 INFO L93 Difference]: Finished difference Result 17944 states and 33586 transitions. [2024-10-15 00:44:22,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17944 states and 33586 transitions. [2024-10-15 00:44:22,688 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:22,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17944 states to 17944 states and 33586 transitions. [2024-10-15 00:44:22,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17906 [2024-10-15 00:44:22,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17906 [2024-10-15 00:44:22,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17944 states and 33586 transitions. [2024-10-15 00:44:22,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:22,743 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17944 states and 33586 transitions. [2024-10-15 00:44:22,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17944 states and 33586 transitions. [2024-10-15 00:44:22,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17944 to 17944. [2024-10-15 00:44:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17944 states, 17944 states have (on average 1.8717119928666963) internal successors, (33586), 17943 states have internal predecessors, (33586), 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) [2024-10-15 00:44:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17944 states to 17944 states and 33586 transitions. [2024-10-15 00:44:22,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17944 states and 33586 transitions. [2024-10-15 00:44:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:44:22,941 INFO L425 stractBuchiCegarLoop]: Abstraction has 17944 states and 33586 transitions. [2024-10-15 00:44:22,941 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-15 00:44:22,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17944 states and 33586 transitions. [2024-10-15 00:44:22,983 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:22,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:22,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:22,983 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] [2024-10-15 00:44:22,984 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:22,984 INFO L745 eck$LassoCheckResult]: Stem: 368326#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 367912#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 367913#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 377032#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 373930#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 373416#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 373417#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 364727#L95 assume !(0 == getOrigin_~person#1); 361032#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 361033#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 364644#L530 assume !(0 == initPersonOnFloor_~floor#1); 375781#L557 assume !(1 == initPersonOnFloor_~floor#1); 363011#L584 assume !(2 == initPersonOnFloor_~floor#1); 363012#L611 assume 3 == initPersonOnFloor_~floor#1; 374501#L612 assume !(0 == initPersonOnFloor_~person#1); 374502#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 359404#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 376131#L322 assume !(0 == callOnFloor_~floorID#1); 359826#L325 assume !(1 == callOnFloor_~floorID#1); 359827#L328 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 359657#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 374140#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 374141#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 359493#L95-1 assume !(0 == getOrigin_~person#1); 359494#L99-1 assume !(1 == getOrigin_~person#1); 371753#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 360249#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 377178#L530-1 assume 0 == initPersonOnFloor_~floor#1; 376094#L531-2 assume !(0 == initPersonOnFloor_~person#1); 375928#L534-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 365619#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 377194#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 363884#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 365844#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 365845#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 371199#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 371200#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 375825#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 364720#L2587 assume 0 != timeShift_~tmp~24#1; 364721#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 366328#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 369012#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 366862#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 366864#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 369071#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 369072#L2877-2 [2024-10-15 00:44:22,984 INFO L747 eck$LassoCheckResult]: Loop: 369072#L2877-2 assume !false; 365548#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 365549#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 363862#L2886-2 assume !false; 363863#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 364801#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 369072#L2877-2 [2024-10-15 00:44:22,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1197021167, now seen corresponding path program 1 times [2024-10-15 00:44:22,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:22,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094658699] [2024-10-15 00:44:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:23,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:23,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094658699] [2024-10-15 00:44:23,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094658699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:23,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:23,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:44:23,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999892906] [2024-10-15 00:44:23,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:23,060 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:23,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 5 times [2024-10-15 00:44:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97758134] [2024-10-15 00:44:23,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:23,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:23,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:23,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:23,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:44:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:44:23,100 INFO L87 Difference]: Start difference. First operand 17944 states and 33586 transitions. cyclomatic complexity: 15677 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) [2024-10-15 00:44:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:23,625 INFO L93 Difference]: Finished difference Result 17952 states and 33593 transitions. [2024-10-15 00:44:23,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17952 states and 33593 transitions. [2024-10-15 00:44:23,705 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:23,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17952 states to 17952 states and 33593 transitions. [2024-10-15 00:44:23,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17914 [2024-10-15 00:44:23,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17914 [2024-10-15 00:44:23,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17952 states and 33593 transitions. [2024-10-15 00:44:23,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:23,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17952 states and 33593 transitions. [2024-10-15 00:44:23,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17952 states and 33593 transitions. [2024-10-15 00:44:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17952 to 17952. [2024-10-15 00:44:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17952 states, 17952 states have (on average 1.871267825311943) internal successors, (33593), 17951 states have internal predecessors, (33593), 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) [2024-10-15 00:44:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17952 states to 17952 states and 33593 transitions. [2024-10-15 00:44:24,025 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17952 states and 33593 transitions. [2024-10-15 00:44:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:44:24,026 INFO L425 stractBuchiCegarLoop]: Abstraction has 17952 states and 33593 transitions. [2024-10-15 00:44:24,026 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-15 00:44:24,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17952 states and 33593 transitions. [2024-10-15 00:44:24,086 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:24,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:24,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:24,087 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] [2024-10-15 00:44:24,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:24,087 INFO L745 eck$LassoCheckResult]: Stem: 404231#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 403817#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 403818#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 412937#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 409835#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 409321#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 409322#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 400631#L95 assume !(0 == getOrigin_~person#1); 396936#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 396937#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 400548#L530 assume !(0 == initPersonOnFloor_~floor#1); 411686#L557 assume !(1 == initPersonOnFloor_~floor#1); 398915#L584 assume !(2 == initPersonOnFloor_~floor#1); 398916#L611 assume 3 == initPersonOnFloor_~floor#1; 410406#L612 assume !(0 == initPersonOnFloor_~person#1); 410407#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 395307#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 412036#L322 assume !(0 == callOnFloor_~floorID#1); 395729#L325 assume !(1 == callOnFloor_~floorID#1); 395730#L328 assume !(2 == callOnFloor_~floorID#1); 395559#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 395560#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 410045#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 410046#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 395396#L95-1 assume !(0 == getOrigin_~person#1); 395397#L99-1 assume !(1 == getOrigin_~person#1); 407658#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 396152#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 413083#L530-1 assume 0 == initPersonOnFloor_~floor#1; 411999#L531-2 assume !(0 == initPersonOnFloor_~person#1); 411833#L534-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 401523#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 413100#L322-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 403354#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 401748#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 401749#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 407104#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 407105#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 411730#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 400624#L2587 assume 0 != timeShift_~tmp~24#1; 400625#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 402232#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 404917#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 402766#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 402768#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 404976#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 404977#L2877-2 [2024-10-15 00:44:24,087 INFO L747 eck$LassoCheckResult]: Loop: 404977#L2877-2 assume !false; 401452#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 401453#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 399767#L2886-2 assume !false; 399768#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 400705#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 404977#L2877-2 [2024-10-15 00:44:24,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash -471461620, now seen corresponding path program 1 times [2024-10-15 00:44:24,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:24,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633938575] [2024-10-15 00:44:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:24,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633938575] [2024-10-15 00:44:24,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633938575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:24,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:24,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:44:24,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762990107] [2024-10-15 00:44:24,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:24,223 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:24,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 6 times [2024-10-15 00:44:24,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:24,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441023852] [2024-10-15 00:44:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:24,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:24,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:24,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:44:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:44:24,276 INFO L87 Difference]: Start difference. First operand 17952 states and 33593 transitions. cyclomatic complexity: 15676 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) [2024-10-15 00:44:24,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:24,823 INFO L93 Difference]: Finished difference Result 17938 states and 33567 transitions. [2024-10-15 00:44:24,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17938 states and 33567 transitions. [2024-10-15 00:44:24,890 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:24,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17938 states to 17938 states and 33567 transitions. [2024-10-15 00:44:24,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17900 [2024-10-15 00:44:24,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17900 [2024-10-15 00:44:24,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17938 states and 33567 transitions. [2024-10-15 00:44:24,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:24,957 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17938 states and 33567 transitions. [2024-10-15 00:44:24,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17938 states and 33567 transitions. [2024-10-15 00:44:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17938 to 17938. [2024-10-15 00:44:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17938 states, 17938 states have (on average 1.8712788493700525) internal successors, (33567), 17937 states have internal predecessors, (33567), 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) [2024-10-15 00:44:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17938 states to 17938 states and 33567 transitions. [2024-10-15 00:44:25,157 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17938 states and 33567 transitions. [2024-10-15 00:44:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:44:25,158 INFO L425 stractBuchiCegarLoop]: Abstraction has 17938 states and 33567 transitions. [2024-10-15 00:44:25,158 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-15 00:44:25,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17938 states and 33567 transitions. [2024-10-15 00:44:25,198 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:25,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:25,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:25,199 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] [2024-10-15 00:44:25,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:25,199 INFO L745 eck$LassoCheckResult]: Stem: 440125#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 439711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 439712#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 448825#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 445728#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 445213#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 445214#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 436526#L95 assume !(0 == getOrigin_~person#1); 432832#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 432833#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 436443#L530 assume !(0 == initPersonOnFloor_~floor#1); 447578#L557 assume !(1 == initPersonOnFloor_~floor#1); 434811#L584 assume !(2 == initPersonOnFloor_~floor#1); 434812#L611 assume 3 == initPersonOnFloor_~floor#1; 446298#L612 assume !(0 == initPersonOnFloor_~person#1); 446299#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 431205#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 447925#L322 assume !(0 == callOnFloor_~floorID#1); 431627#L325 assume !(1 == callOnFloor_~floorID#1); 431628#L328 assume !(2 == callOnFloor_~floorID#1); 431457#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 431458#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 445937#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 445938#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 431294#L95-1 assume !(0 == getOrigin_~person#1); 431295#L99-1 assume !(1 == getOrigin_~person#1); 443549#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 445525#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 443262#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 443263#L557-1 assume 1 == initPersonOnFloor_~floor#1; 446166#L558-2 assume !(0 == initPersonOnFloor_~person#1); 444711#L561-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 435656#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 448986#L322-2 assume !(0 == callOnFloor_~floorID#1); 448983#L325-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 439251#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 437641#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 437642#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 442998#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 442999#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 447622#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 436519#L2587 assume 0 != timeShift_~tmp~24#1; 436520#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 438125#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 440811#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 438659#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 438661#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 440870#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 440871#L2877-2 [2024-10-15 00:44:25,200 INFO L747 eck$LassoCheckResult]: Loop: 440871#L2877-2 assume !false; 437347#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 437348#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 435662#L2886-2 assume !false; 435663#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 436602#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 440871#L2877-2 [2024-10-15 00:44:25,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:25,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1355773026, now seen corresponding path program 1 times [2024-10-15 00:44:25,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:25,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235553756] [2024-10-15 00:44:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:25,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:25,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:25,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235553756] [2024-10-15 00:44:25,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235553756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:25,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:25,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:44:25,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880315850] [2024-10-15 00:44:25,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:25,420 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 7 times [2024-10-15 00:44:25,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11055503] [2024-10-15 00:44:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:25,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:25,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:44:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:44:25,485 INFO L87 Difference]: Start difference. First operand 17938 states and 33567 transitions. cyclomatic complexity: 15664 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) [2024-10-15 00:44:25,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:25,826 INFO L93 Difference]: Finished difference Result 17932 states and 33554 transitions. [2024-10-15 00:44:25,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17932 states and 33554 transitions. [2024-10-15 00:44:25,892 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:25,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17932 states to 17932 states and 33554 transitions. [2024-10-15 00:44:25,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17894 [2024-10-15 00:44:25,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17894 [2024-10-15 00:44:25,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17932 states and 33554 transitions. [2024-10-15 00:44:25,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:25,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17932 states and 33554 transitions. [2024-10-15 00:44:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17932 states and 33554 transitions. [2024-10-15 00:44:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17932 to 17932. [2024-10-15 00:44:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17932 states, 17932 states have (on average 1.8711800133838947) internal successors, (33554), 17931 states have internal predecessors, (33554), 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) [2024-10-15 00:44:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17932 states to 17932 states and 33554 transitions. [2024-10-15 00:44:26,419 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17932 states and 33554 transitions. [2024-10-15 00:44:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:44:26,420 INFO L425 stractBuchiCegarLoop]: Abstraction has 17932 states and 33554 transitions. [2024-10-15 00:44:26,420 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-15 00:44:26,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17932 states and 33554 transitions. [2024-10-15 00:44:26,465 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:26,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:26,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:26,466 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] [2024-10-15 00:44:26,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:26,467 INFO L745 eck$LassoCheckResult]: Stem: 475999#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 475585#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 475586#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 484697#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 481600#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 481085#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 481086#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 472401#L95 assume !(0 == getOrigin_~person#1); 468713#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 468714#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 472318#L530 assume !(0 == initPersonOnFloor_~floor#1); 483450#L557 assume !(1 == initPersonOnFloor_~floor#1); 470689#L584 assume !(2 == initPersonOnFloor_~floor#1); 470690#L611 assume 3 == initPersonOnFloor_~floor#1; 482170#L612 assume !(0 == initPersonOnFloor_~person#1); 482171#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 467083#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 483797#L322 assume !(0 == callOnFloor_~floorID#1); 467505#L325 assume !(1 == callOnFloor_~floorID#1); 467506#L328 assume !(2 == callOnFloor_~floorID#1); 467335#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 467336#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 481809#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 481810#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 467172#L95-1 assume !(0 == getOrigin_~person#1); 467173#L99-1 assume !(1 == getOrigin_~person#1); 479423#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 481397#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 479136#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 479137#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 484343#L584-1 assume 2 == initPersonOnFloor_~floor#1; 481452#L585-2 assume !(0 == initPersonOnFloor_~person#1); 476970#L588-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 470709#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 484859#L322-2 assume !(0 == callOnFloor_~floorID#1); 484858#L325-2 assume !(1 == callOnFloor_~floorID#1); 484857#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 475128#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 473516#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 473517#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 478872#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 478873#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 483494#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 472394#L2587 assume 0 != timeShift_~tmp~24#1; 472395#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 473999#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 476685#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 474535#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 474537#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 476744#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 476745#L2877-2 [2024-10-15 00:44:26,467 INFO L747 eck$LassoCheckResult]: Loop: 476745#L2877-2 assume !false; 473222#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 473223#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 471537#L2886-2 assume !false; 471538#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 472477#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 476745#L2877-2 [2024-10-15 00:44:26,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:26,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1516125827, now seen corresponding path program 1 times [2024-10-15 00:44:26,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:26,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620335742] [2024-10-15 00:44:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:26,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:26,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:26,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620335742] [2024-10-15 00:44:26,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620335742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:26,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:26,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:44:26,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289610581] [2024-10-15 00:44:26,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:26,545 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:26,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:26,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 8 times [2024-10-15 00:44:26,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:26,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250012612] [2024-10-15 00:44:26,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:26,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:26,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:26,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:26,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:44:26,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:44:26,589 INFO L87 Difference]: Start difference. First operand 17932 states and 33554 transitions. cyclomatic complexity: 15657 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) [2024-10-15 00:44:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:26,955 INFO L93 Difference]: Finished difference Result 17948 states and 33566 transitions. [2024-10-15 00:44:26,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17948 states and 33566 transitions. [2024-10-15 00:44:27,020 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:27,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17948 states to 17948 states and 33566 transitions. [2024-10-15 00:44:27,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17910 [2024-10-15 00:44:27,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17910 [2024-10-15 00:44:27,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17948 states and 33566 transitions. [2024-10-15 00:44:27,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:27,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17948 states and 33566 transitions. [2024-10-15 00:44:27,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17948 states and 33566 transitions. [2024-10-15 00:44:27,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17948 to 17932. [2024-10-15 00:44:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17932 states, 17932 states have (on average 1.870733883560116) internal successors, (33546), 17931 states have internal predecessors, (33546), 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) [2024-10-15 00:44:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17932 states to 17932 states and 33546 transitions. [2024-10-15 00:44:27,629 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17932 states and 33546 transitions. [2024-10-15 00:44:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:44:27,630 INFO L425 stractBuchiCegarLoop]: Abstraction has 17932 states and 33546 transitions. [2024-10-15 00:44:27,630 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-15 00:44:27,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17932 states and 33546 transitions. [2024-10-15 00:44:27,688 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-10-15 00:44:27,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:27,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:27,689 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] [2024-10-15 00:44:27,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:27,689 INFO L745 eck$LassoCheckResult]: Stem: 511886#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 511472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 511473#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 520584#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 517487#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 516972#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 516973#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 508288#L95 assume !(0 == getOrigin_~person#1); 504600#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 504601#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 508205#L530 assume !(0 == initPersonOnFloor_~floor#1); 519337#L557 assume !(1 == initPersonOnFloor_~floor#1); 506576#L584 assume !(2 == initPersonOnFloor_~floor#1); 506577#L611 assume 3 == initPersonOnFloor_~floor#1; 518057#L612 assume !(0 == initPersonOnFloor_~person#1); 518058#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 502970#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 519684#L322 assume !(0 == callOnFloor_~floorID#1); 503392#L325 assume !(1 == callOnFloor_~floorID#1); 503393#L328 assume !(2 == callOnFloor_~floorID#1); 503222#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 503223#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 517696#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 517697#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 503059#L95-1 assume !(0 == getOrigin_~person#1); 503060#L99-1 assume !(1 == getOrigin_~person#1); 515311#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 517284#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 515023#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 515024#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 520230#L584-1 assume 2 == initPersonOnFloor_~floor#1; 517339#L585-2 assume !(0 == initPersonOnFloor_~person#1); 512857#L588-2 assume !(1 == initPersonOnFloor_~person#1); 512858#L591-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 506596#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 520752#L322-2 assume !(0 == callOnFloor_~floorID#1); 520751#L325-2 assume !(1 == callOnFloor_~floorID#1); 520750#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 511017#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 509403#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 509404#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 514759#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 514760#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 519381#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 508281#L2587 assume 0 != timeShift_~tmp~24#1; 508282#L2588 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 509886#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 512572#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 510422#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 510424#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 512631#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 512632#L2877-2 [2024-10-15 00:44:27,689 INFO L747 eck$LassoCheckResult]: Loop: 512632#L2877-2 assume !false; 509111#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 509112#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 507424#L2886-2 assume !false; 507425#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 508364#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 512632#L2877-2 [2024-10-15 00:44:27,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1488774646, now seen corresponding path program 1 times [2024-10-15 00:44:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690639458] [2024-10-15 00:44:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:27,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:27,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690639458] [2024-10-15 00:44:27,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690639458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:27,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:27,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-15 00:44:27,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913684758] [2024-10-15 00:44:27,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:27,804 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:27,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:27,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 9 times [2024-10-15 00:44:27,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:27,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144380741] [2024-10-15 00:44:27,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:27,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:27,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:27,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:27,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:27,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:44:27,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:44:27,860 INFO L87 Difference]: Start difference. First operand 17932 states and 33546 transitions. cyclomatic complexity: 15649 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) [2024-10-15 00:44:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:28,657 INFO L93 Difference]: Finished difference Result 33446 states and 62726 transitions. [2024-10-15 00:44:28,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33446 states and 62726 transitions. [2024-10-15 00:44:28,818 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7012 [2024-10-15 00:44:28,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33446 states to 33446 states and 62726 transitions. [2024-10-15 00:44:28,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33370 [2024-10-15 00:44:28,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33370 [2024-10-15 00:44:28,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33446 states and 62726 transitions. [2024-10-15 00:44:29,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:29,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33446 states and 62726 transitions. [2024-10-15 00:44:29,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33446 states and 62726 transitions. [2024-10-15 00:44:29,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33446 to 28434. [2024-10-15 00:44:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28434 states, 28434 states have (on average 1.8723359358514455) internal successors, (53238), 28433 states have internal predecessors, (53238), 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) [2024-10-15 00:44:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28434 states to 28434 states and 53238 transitions. [2024-10-15 00:44:29,759 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28434 states and 53238 transitions. [2024-10-15 00:44:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:44:29,760 INFO L425 stractBuchiCegarLoop]: Abstraction has 28434 states and 53238 transitions. [2024-10-15 00:44:29,760 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-15 00:44:29,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28434 states and 53238 transitions. [2024-10-15 00:44:29,833 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7012 [2024-10-15 00:44:29,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:29,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:29,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:29,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:29,834 INFO L745 eck$LassoCheckResult]: Stem: 563293#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 562877#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 562878#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 572231#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 568975#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 568449#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 568450#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 559674#L95 assume !(0 == getOrigin_~person#1); 555985#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 555986#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 559592#L530 assume !(0 == initPersonOnFloor_~floor#1); 570877#L557 assume !(1 == initPersonOnFloor_~floor#1); 557960#L584 assume !(2 == initPersonOnFloor_~floor#1); 557961#L611 assume 3 == initPersonOnFloor_~floor#1; 569560#L612 assume !(0 == initPersonOnFloor_~person#1); 569561#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 554354#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 571234#L322 assume !(0 == callOnFloor_~floorID#1); 554776#L325 assume !(1 == callOnFloor_~floorID#1); 554777#L328 assume !(2 == callOnFloor_~floorID#1); 554606#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 554607#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 569191#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 569192#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 554446#L95-1 assume !(0 == getOrigin_~person#1); 554447#L99-1 assume !(1 == getOrigin_~person#1); 566764#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 568768#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 566469#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 566470#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 571824#L584-1 assume 2 == initPersonOnFloor_~floor#1; 568825#L585-2 assume !(0 == initPersonOnFloor_~person#1); 564271#L588-2 assume !(1 == initPersonOnFloor_~person#1); 564272#L591-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 557980#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 572408#L322-2 assume !(0 == callOnFloor_~floorID#1); 572407#L325-2 assume !(1 == callOnFloor_~floorID#1); 572406#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 562424#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 560798#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 560799#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 566197#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 566198#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 570921#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 559667#L2587 assume !(0 != timeShift_~tmp~24#1);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~23#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~10#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~7#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~4#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~21#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 559669#L2309-1 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 561426#getCurrentFloorID_returnLabel#2 stopRequestedAtCurrentFloor_#t~ret58#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~21#1 := stopRequestedAtCurrentFloor_#t~ret58#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~21#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~11#1; 556503#L1645-2 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~11#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~11#1; 556504#buttonForFloorIsPressed_returnLabel#3 stopRequestedAtCurrentFloor_#t~ret59#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~8#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 567399#stopRequestedAtCurrentFloor_returnLabel#2 timeShift__wrappee__twothirdsfull_#t~ret73#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret73#1;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1; 569932#L2456-2 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 571081#L2547-3 assume !(1 == ~doorState~0); 572257#L2547-5 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~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~17#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~18#1;havoc stopRequestedInDirection_~__cil_tmp8~1#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~1#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~1#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~1#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~1#1 / 3 else stopRequestedInDirection_~__cil_tmp8~1#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1; 572258#L2212-2 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~18#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~18#1; 563442#isAnyLiftButtonPressed_returnLabel#3 stopRequestedInDirection_#t~ret51#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~18#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~18#1; 564535#L2185-2 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;stopRequestedInDirection__wrappee__empty_~dir#1 := stopRequestedInDirection__wrappee__empty_#in~dir#1;stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1;havoc stopRequestedInDirection__wrappee__empty_~tmp~17#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___0~6#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___1~5#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___2~3#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___3~2#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___4~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___9~0#1; 566946#L1832-8 assume !(1 == stopRequestedInDirection__wrappee__empty_~dir#1); 564612#L2001-8 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1 := 0;stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1; 554546#stopRequestedInDirection__wrappee__empty_returnLabel#9 stopRequestedInDirection_#t~ret54#1 := stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection_~retValue_acc~17#1 := stopRequestedInDirection_#t~ret54#1;havoc stopRequestedInDirection_#t~ret54#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 556912#stopRequestedInDirection_returnLabel#3 timeShift__wrappee__twothirdsfull_#t~ret80#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret80#1;havoc timeShift__wrappee__twothirdsfull_#t~ret80#1; 556913#L2555-2 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~19#1;~currentHeading~0 := continueInDirection_~dir#1; 566659#L2247-3 assume !(1 == ~currentHeading~0); 565686#L2257-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 556561#L2257-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 556562#L2263-7 havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 562781#L2564-5 havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 576710#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 575403#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 575404#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 576711#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 581642#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 581643#L2877-2 [2024-10-15 00:44:29,835 INFO L747 eck$LassoCheckResult]: Loop: 581643#L2877-2 assume !false; 581641#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 569429#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 558810#L2886-2 assume !false; 558811#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 559750#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 581643#L2877-2 [2024-10-15 00:44:29,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:29,835 INFO L85 PathProgramCache]: Analyzing trace with hash 339874181, now seen corresponding path program 1 times [2024-10-15 00:44:29,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:29,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637333221] [2024-10-15 00:44:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:29,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:29,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:29,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637333221] [2024-10-15 00:44:29,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637333221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:29,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:29,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-15 00:44:29,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544166500] [2024-10-15 00:44:29,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:29,985 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:29,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:29,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 10 times [2024-10-15 00:44:29,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711523240] [2024-10-15 00:44:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:29,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:30,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:30,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:30,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-15 00:44:30,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-15 00:44:30,033 INFO L87 Difference]: Start difference. First operand 28434 states and 53238 transitions. cyclomatic complexity: 24874 Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:44:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:30,990 INFO L93 Difference]: Finished difference Result 27491 states and 51074 transitions. [2024-10-15 00:44:30,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27491 states and 51074 transitions. [2024-10-15 00:44:31,083 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8324 [2024-10-15 00:44:31,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27491 states to 27491 states and 51074 transitions. [2024-10-15 00:44:31,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27377 [2024-10-15 00:44:31,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27377 [2024-10-15 00:44:31,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27491 states and 51074 transitions. [2024-10-15 00:44:31,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:31,195 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27491 states and 51074 transitions. [2024-10-15 00:44:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27491 states and 51074 transitions. [2024-10-15 00:44:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27491 to 27491. [2024-10-15 00:44:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27491 states, 27491 states have (on average 1.8578443854352333) internal successors, (51074), 27490 states have internal predecessors, (51074), 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) [2024-10-15 00:44:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27491 states to 27491 states and 51074 transitions. [2024-10-15 00:44:31,856 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27491 states and 51074 transitions. [2024-10-15 00:44:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:44:31,856 INFO L425 stractBuchiCegarLoop]: Abstraction has 27491 states and 51074 transitions. [2024-10-15 00:44:31,856 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-15 00:44:31,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27491 states and 51074 transitions. [2024-10-15 00:44:31,921 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8324 [2024-10-15 00:44:31,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:31,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:31,921 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] [2024-10-15 00:44:31,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:31,922 INFO L745 eck$LassoCheckResult]: Stem: 618420#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 618036#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 618037#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 626637#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 623615#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 623124#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 623125#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 615101#L95 assume !(0 == getOrigin_~person#1); 611770#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 611771#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 615029#L530 assume !(0 == initPersonOnFloor_~floor#1); 625381#L557 assume !(1 == initPersonOnFloor_~floor#1); 613552#L584 assume !(2 == initPersonOnFloor_~floor#1); 613553#L611 assume 3 == initPersonOnFloor_~floor#1; 624166#L612 assume !(0 == initPersonOnFloor_~person#1); 624167#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 610275#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 625716#L322 assume !(0 == callOnFloor_~floorID#1); 610655#L325 assume !(1 == callOnFloor_~floorID#1); 610656#L328 assume !(2 == callOnFloor_~floorID#1); 610505#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 610506#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 623813#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 623814#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 610355#L95-1 assume !(0 == getOrigin_~person#1); 610356#L99-1 assume !(1 == getOrigin_~person#1); 621572#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 623420#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 621302#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 621303#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 626253#L584-1 assume 2 == initPersonOnFloor_~floor#1; 623473#L585-2 assume !(0 == initPersonOnFloor_~person#1); 619307#L588-2 assume !(1 == initPersonOnFloor_~person#1); 619308#L591-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 613568#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 627028#L322-2 assume !(0 == callOnFloor_~floorID#1); 627027#L325-2 assume !(1 == callOnFloor_~floorID#1); 627026#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 617614#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 616126#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 616127#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 621066#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 621067#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 625422#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 615095#L2587 assume 0 != timeShift_~tmp~24#1; 615096#L2588 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~23#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~10#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~7#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~4#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~21#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 619517#L2309 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 616235#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret58#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~21#1 := stopRequestedAtCurrentFloor_#t~ret58#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~21#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~11#1; 616236#L1645 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~11#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~11#1; 618699#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret59#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~8#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 610783#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret73#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret73#1;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1; 610784#L2456 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 613296#L2547 assume 1 == ~doorState~0;~doorState~0 := 0; 613297#L2547-2 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~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~17#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~18#1;havoc stopRequestedInDirection_~__cil_tmp8~1#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~1#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~1#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~1#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~1#1 / 3 else stopRequestedInDirection_~__cil_tmp8~1#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1; 626702#L2212 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~18#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~18#1; 618375#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret51#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~18#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~18#1; 623021#L2185 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;stopRequestedInDirection__wrappee__empty_~dir#1 := stopRequestedInDirection__wrappee__empty_#in~dir#1;stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1;havoc stopRequestedInDirection__wrappee__empty_~tmp~17#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___0~6#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___1~5#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___2~3#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___3~2#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___4~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___9~0#1; 623022#L1832-2 assume !(1 == stopRequestedInDirection__wrappee__empty_~dir#1); 615318#L2001-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1 := 0;stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1; 611107#stopRequestedInDirection__wrappee__empty_returnLabel#3 stopRequestedInDirection_#t~ret54#1 := stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection_~retValue_acc~17#1 := stopRequestedInDirection_#t~ret54#1;havoc stopRequestedInDirection_#t~ret54#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 611336#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret80#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret80#1;havoc timeShift__wrappee__twothirdsfull_#t~ret80#1; 611176#L2555 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~19#1;~currentHeading~0 := continueInDirection_~dir#1; 611178#L2247 assume !(1 == ~currentHeading~0); 620422#L2257 assume !(0 == ~currentFloorID~0); 618306#L2257-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 618307#L2263-1 havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 621190#L2564-2 havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 626847#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 626834#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 626835#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 626846#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 626998#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 626999#L2877-2 [2024-10-15 00:44:31,923 INFO L747 eck$LassoCheckResult]: Loop: 626999#L2877-2 assume !false; 626996#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 626997#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 627009#L2886-2 assume !false; 627005#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 627006#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 626999#L2877-2 [2024-10-15 00:44:31,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash -543451371, now seen corresponding path program 1 times [2024-10-15 00:44:31,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:31,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937143483] [2024-10-15 00:44:31,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:31,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:32,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:32,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937143483] [2024-10-15 00:44:32,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937143483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:32,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:32,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-15 00:44:32,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729389952] [2024-10-15 00:44:32,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:32,004 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:32,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:32,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 11 times [2024-10-15 00:44:32,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:32,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534180363] [2024-10-15 00:44:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:32,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:32,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:32,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:44:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:44:32,048 INFO L87 Difference]: Start difference. First operand 27491 states and 51074 transitions. cyclomatic complexity: 23711 Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:44:32,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:32,987 INFO L93 Difference]: Finished difference Result 42131 states and 77919 transitions. [2024-10-15 00:44:32,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42131 states and 77919 transitions. [2024-10-15 00:44:33,140 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12854 [2024-10-15 00:44:33,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42131 states to 42131 states and 77919 transitions. [2024-10-15 00:44:33,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41981 [2024-10-15 00:44:33,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41981 [2024-10-15 00:44:33,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42131 states and 77919 transitions. [2024-10-15 00:44:33,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:33,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42131 states and 77919 transitions. [2024-10-15 00:44:33,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42131 states and 77919 transitions. [2024-10-15 00:44:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42131 to 42129. [2024-10-15 00:44:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42129 states, 42129 states have (on average 1.8494861022098792) internal successors, (77917), 42128 states have internal predecessors, (77917), 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) [2024-10-15 00:44:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42129 states to 42129 states and 77917 transitions. [2024-10-15 00:44:34,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42129 states and 77917 transitions. [2024-10-15 00:44:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:44:34,298 INFO L425 stractBuchiCegarLoop]: Abstraction has 42129 states and 77917 transitions. [2024-10-15 00:44:34,299 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-15 00:44:34,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42129 states and 77917 transitions. [2024-10-15 00:44:34,447 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12854 [2024-10-15 00:44:34,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:34,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:34,448 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] [2024-10-15 00:44:34,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:34,449 INFO L745 eck$LassoCheckResult]: Stem: 688074#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 687685#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 687686#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 696499#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 693359#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 692846#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 692847#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 684737#L95 assume !(0 == getOrigin_~person#1); 681397#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 681398#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 684663#L530 assume !(0 == initPersonOnFloor_~floor#1); 695169#L557 assume !(1 == initPersonOnFloor_~floor#1); 683180#L584 assume !(2 == initPersonOnFloor_~floor#1); 683181#L611 assume 3 == initPersonOnFloor_~floor#1; 693919#L612 assume !(0 == initPersonOnFloor_~person#1); 693920#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 679903#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 695516#L322 assume !(0 == callOnFloor_~floorID#1); 680283#L325 assume !(1 == callOnFloor_~floorID#1); 680284#L328 assume !(2 == callOnFloor_~floorID#1); 680133#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 680134#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 693555#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 693556#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 679980#L95-1 assume !(0 == getOrigin_~person#1); 679981#L99-1 assume !(1 == getOrigin_~person#1); 691276#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 693153#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 691000#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 691001#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 696087#L584-1 assume 2 == initPersonOnFloor_~floor#1; 693209#L585-2 assume !(0 == initPersonOnFloor_~person#1); 688975#L588-2 assume !(1 == initPersonOnFloor_~person#1); 688976#L591-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 683196#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 696938#L322-2 assume !(0 == callOnFloor_~floorID#1); 696937#L325-2 assume !(1 == callOnFloor_~floorID#1); 696936#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 687252#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 685757#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 685758#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 690760#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 690761#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 695213#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 684731#L2587 assume 0 != timeShift_~tmp~24#1; 684732#L2588 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~23#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~10#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~7#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~4#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~21#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 689190#L2309 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 685871#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret58#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~21#1 := stopRequestedAtCurrentFloor_#t~ret58#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~21#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~11#1; 685872#L1645 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~11#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~11#1; 688356#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret59#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~8#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 680408#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret73#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret73#1;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1; 680409#L2456 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 682922#L2547 assume 1 == ~doorState~0;~doorState~0 := 0; 682923#L2547-2 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~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~17#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~18#1;havoc stopRequestedInDirection_~__cil_tmp8~1#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~1#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~1#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~1#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~1#1 / 3 else stopRequestedInDirection_~__cil_tmp8~1#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1; 696581#L2212 assume !(0 != ~floorButtons_0~0); 693921#L2216 assume 0 != ~floorButtons_1~0;isAnyLiftButtonPressed_~retValue_acc~18#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~18#1; 688028#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret51#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~18#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~18#1; 692745#L2185 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;stopRequestedInDirection__wrappee__empty_~dir#1 := stopRequestedInDirection__wrappee__empty_#in~dir#1;stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1;havoc stopRequestedInDirection__wrappee__empty_~tmp~17#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___0~6#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___1~5#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___2~3#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___3~2#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___4~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___9~0#1; 692746#L1832-2 assume !(1 == stopRequestedInDirection__wrappee__empty_~dir#1); 684951#L2001-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1 := 0;stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1; 680734#stopRequestedInDirection__wrappee__empty_returnLabel#3 stopRequestedInDirection_#t~ret54#1 := stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection_~retValue_acc~17#1 := stopRequestedInDirection_#t~ret54#1;havoc stopRequestedInDirection_#t~ret54#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 680963#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret80#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret80#1;havoc timeShift__wrappee__twothirdsfull_#t~ret80#1; 680804#L2555 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~19#1;~currentHeading~0 := continueInDirection_~dir#1; 680806#L2247 assume !(1 == ~currentHeading~0); 690113#L2257 assume !(0 == ~currentFloorID~0); 687960#L2257-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 687961#L2263-1 havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 690885#L2564-2 havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 696759#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 696746#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 696747#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 696758#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 696880#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 696881#L2877-2 [2024-10-15 00:44:34,449 INFO L747 eck$LassoCheckResult]: Loop: 696881#L2877-2 assume !false; 696878#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 696879#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 696898#L2886-2 assume !false; 696892#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 696893#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 696881#L2877-2 [2024-10-15 00:44:34,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1554758627, now seen corresponding path program 1 times [2024-10-15 00:44:34,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:34,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038818970] [2024-10-15 00:44:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:34,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:34,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038818970] [2024-10-15 00:44:34,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038818970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:34,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:34,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-15 00:44:34,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28655543] [2024-10-15 00:44:34,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:34,561 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:34,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:34,561 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 12 times [2024-10-15 00:44:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:34,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637700923] [2024-10-15 00:44:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:34,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:34,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:34,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:34,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:44:34,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:44:34,610 INFO L87 Difference]: Start difference. First operand 42129 states and 77917 transitions. cyclomatic complexity: 35974 Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:44:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:36,147 INFO L93 Difference]: Finished difference Result 71217 states and 131297 transitions. [2024-10-15 00:44:36,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71217 states and 131297 transitions. [2024-10-15 00:44:36,397 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21878 [2024-10-15 00:44:36,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71217 states to 71217 states and 131297 transitions. [2024-10-15 00:44:36,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70999 [2024-10-15 00:44:36,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70999 [2024-10-15 00:44:36,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71217 states and 131297 transitions. [2024-10-15 00:44:36,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:36,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71217 states and 131297 transitions. [2024-10-15 00:44:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71217 states and 131297 transitions. [2024-10-15 00:44:37,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71217 to 71213. [2024-10-15 00:44:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71213 states, 71213 states have (on average 1.8436661845449567) internal successors, (131293), 71212 states have internal predecessors, (131293), 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) [2024-10-15 00:44:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71213 states to 71213 states and 131293 transitions. [2024-10-15 00:44:37,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71213 states and 131293 transitions. [2024-10-15 00:44:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:44:37,872 INFO L425 stractBuchiCegarLoop]: Abstraction has 71213 states and 131293 transitions. [2024-10-15 00:44:37,872 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-10-15 00:44:37,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71213 states and 131293 transitions. [2024-10-15 00:44:38,061 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21878 [2024-10-15 00:44:38,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:44:38,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:44:38,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:44:38,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:44:38,062 INFO L745 eck$LassoCheckResult]: Stem: 801460#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~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;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 801067#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~7#1, main_~tmp~9#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 801068#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 810139#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~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 806815#valid_product_returnLabel#1 main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 806299#L1277 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 806300#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~ret13#1, aliceCall_~tmp~2#1;havoc aliceCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 798097#L95 assume !(0 == getOrigin_~person#1); 794751#L99 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 794752#getOrigin_returnLabel#1 aliceCall_#t~ret13#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~2#1 := aliceCall_#t~ret13#1;havoc aliceCall_#t~ret13#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 798023#L530 assume !(0 == initPersonOnFloor_~floor#1); 808685#L557 assume !(1 == initPersonOnFloor_~floor#1); 796542#L584 assume !(2 == initPersonOnFloor_~floor#1); 796543#L611 assume 3 == initPersonOnFloor_~floor#1; 807387#L612 assume !(0 == initPersonOnFloor_~person#1); 807388#L615 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 793254#L638-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 809056#L322 assume !(0 == callOnFloor_~floorID#1); 793634#L325 assume !(1 == callOnFloor_~floorID#1); 793635#L328 assume !(2 == callOnFloor_~floorID#1); 793484#L331 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 793485#L334-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 807019#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 807020#aliceCall_returnLabel#1 havoc aliceCall_#t~ret13#1, aliceCall_~tmp~2#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;havoc angelinaCall_~tmp~3#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 793331#L95-1 assume !(0 == getOrigin_~person#1); 793332#L99-1 assume !(1 == getOrigin_~person#1); 804697#L103-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 806612#getOrigin_returnLabel#2 angelinaCall_#t~ret14#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~3#1 := angelinaCall_#t~ret14#1;havoc angelinaCall_#t~ret14#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~3#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 804417#L530-1 assume !(0 == initPersonOnFloor_~floor#1); 804418#L557-1 assume !(1 == initPersonOnFloor_~floor#1); 809657#L584-1 assume 2 == initPersonOnFloor_~floor#1; 806668#L585-2 assume !(0 == initPersonOnFloor_~person#1); 802377#L588-2 assume !(1 == initPersonOnFloor_~person#1); 802378#L591-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 796558#L638-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 810611#L322-2 assume !(0 == callOnFloor_~floorID#1); 810610#L325-2 assume !(1 == callOnFloor_~floorID#1); 810609#L328-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 800630#L334-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 799129#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 799130#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret14#1, angelinaCall_~tmp~3#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;havoc getCurrentHeading_~retValue_acc~12#1;getCurrentHeading_~retValue_acc~12#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~12#1; 804172#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~12#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret4#1;havoc __utac_acc__Specification13_spec__1_#t~ret4#1; 804173#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret4#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 808732#areDoorsOpen_returnLabel#1 timeShift_#t~ret84#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 798091#L2587 assume 0 != timeShift_~tmp~24#1; 798092#L2588 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~23#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~10#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~7#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~4#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~21#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 802593#L2309 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 799240#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret58#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~21#1 := stopRequestedAtCurrentFloor_#t~ret58#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~21#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~11#1; 799241#L1645 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~11#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~11#1; 801745#buttonForFloorIsPressed_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret59#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~11#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~8#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 793755#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret73#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret58#1, stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~21#1, stopRequestedAtCurrentFloor_~tmp___0~8#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret73#1;havoc timeShift__wrappee__twothirdsfull_#t~ret73#1; 793756#L2456 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 796277#L2547 assume 1 == ~doorState~0;~doorState~0 := 0; 796278#L2547-2 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~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~17#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~18#1;havoc stopRequestedInDirection_~__cil_tmp8~1#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~1#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~1#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~1#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~1#1 / 3 else stopRequestedInDirection_~__cil_tmp8~1#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1; 810231#L2212 assume !(0 != ~floorButtons_0~0); 807389#L2216 assume !(0 != ~floorButtons_1~0); 803862#L2220 assume 0 != ~floorButtons_2~0;isAnyLiftButtonPressed_~retValue_acc~18#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~18#1; 801409#isAnyLiftButtonPressed_returnLabel#1 stopRequestedInDirection_#t~ret51#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~18#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~18#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~18#1; 806194#L2185 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;stopRequestedInDirection__wrappee__empty_~dir#1 := stopRequestedInDirection__wrappee__empty_#in~dir#1;stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1;havoc stopRequestedInDirection__wrappee__empty_~tmp~17#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___0~6#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___1~5#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___2~3#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___3~2#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___4~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___9~0#1; 806195#L1832-2 assume !(1 == stopRequestedInDirection__wrappee__empty_~dir#1); 798315#L2001-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1 := 0;stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1; 794087#stopRequestedInDirection__wrappee__empty_returnLabel#3 stopRequestedInDirection_#t~ret54#1 := stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret40#1, stopRequestedInDirection__wrappee__empty_#t~ret41#1, stopRequestedInDirection__wrappee__empty_#t~ret42#1, stopRequestedInDirection__wrappee__empty_#t~ret43#1, stopRequestedInDirection__wrappee__empty_#t~ret44#1, stopRequestedInDirection__wrappee__empty_#t~ret45#1, stopRequestedInDirection__wrappee__empty_#t~ret46#1, stopRequestedInDirection__wrappee__empty_#t~ret47#1, stopRequestedInDirection__wrappee__empty_#t~ret48#1, stopRequestedInDirection__wrappee__empty_#t~ret49#1, stopRequestedInDirection__wrappee__empty_#t~ret50#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~16#1, stopRequestedInDirection__wrappee__empty_~tmp~17#1, stopRequestedInDirection__wrappee__empty_~tmp___0~6#1, stopRequestedInDirection__wrappee__empty_~tmp___1~5#1, stopRequestedInDirection__wrappee__empty_~tmp___2~3#1, stopRequestedInDirection__wrappee__empty_~tmp___3~2#1, stopRequestedInDirection__wrappee__empty_~tmp___4~1#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection_~retValue_acc~17#1 := stopRequestedInDirection_#t~ret54#1;havoc stopRequestedInDirection_#t~ret54#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~17#1; 794315#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__twothirdsfull_#t~ret80#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_#t~ret53#1, stopRequestedInDirection_#t~ret54#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~17#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~18#1, stopRequestedInDirection_~__cil_tmp8~1#1, stopRequestedInDirection_~__cil_tmp9~0#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret80#1;havoc timeShift__wrappee__twothirdsfull_#t~ret80#1; 794156#L2555 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~19#1;~currentHeading~0 := continueInDirection_~dir#1; 794158#L2247 assume !(1 == ~currentHeading~0); 803525#L2257 assume !(0 == ~currentFloorID~0); 801341#L2257-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 801342#L2263-1 havoc continueInDirection_#t~ret55#1, continueInDirection_~dir#1, continueInDirection_~tmp~19#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 804299#L2564-2 havoc timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_#t~ret79#1, timeShift__wrappee__twothirdsfull_#t~ret80#1, timeShift__wrappee__twothirdsfull_#t~ret81#1, timeShift__wrappee__twothirdsfull_#t~ret82#1, timeShift__wrappee__twothirdsfull_#t~ret83#1, timeShift__wrappee__twothirdsfull_~tmp~23#1, timeShift__wrappee__twothirdsfull_~tmp___0~10#1, timeShift__wrappee__twothirdsfull_~tmp___1~7#1, timeShift__wrappee__twothirdsfull_~tmp___2~5#1, timeShift__wrappee__twothirdsfull_~tmp___3~4#1, timeShift__wrappee__twothirdsfull_~tmp___4~3#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 810438#L2587-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret5#1, __utac_acc__Specification13_spec__2_#t~ret6#1, __utac_acc__Specification13_spec__2_#t~ret7#1, __utac_acc__Specification13_spec__2_#t~ret8#1, __utac_acc__Specification13_spec__2_#t~ret9#1, __utac_acc__Specification13_spec__2_#t~ret10#1, __utac_acc__Specification13_spec__2_~tmp~0#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#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~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#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); 810425#L869 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 810426#L870 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~22#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~22#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 810437#L2807 assume !(1 == existInLiftCallsInDirection_~d#1); 810550#L2873 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 810551#L2877-2 [2024-10-15 00:44:38,063 INFO L747 eck$LassoCheckResult]: Loop: 810551#L2877-2 assume !false; 810548#L2878 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 810549#L2879 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 810578#L2886-2 assume !false; 810573#L2887 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 810572#L2945 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 810551#L2877-2 [2024-10-15 00:44:38,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:38,063 INFO L85 PathProgramCache]: Analyzing trace with hash 764060336, now seen corresponding path program 1 times [2024-10-15 00:44:38,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:38,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021254947] [2024-10-15 00:44:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:44:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:44:38,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:44:38,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021254947] [2024-10-15 00:44:38,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021254947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:44:38,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:44:38,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-15 00:44:38,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269457211] [2024-10-15 00:44:38,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:44:38,132 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:44:38,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:44:38,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2078933803, now seen corresponding path program 13 times [2024-10-15 00:44:38,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:44:38,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651634987] [2024-10-15 00:44:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:44:38,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:44:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:38,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:44:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:44:38,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:44:38,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:44:38,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:44:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:44:38,172 INFO L87 Difference]: Start difference. First operand 71213 states and 131293 transitions. cyclomatic complexity: 60382 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:44:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:44:39,986 INFO L93 Difference]: Finished difference Result 128975 states and 237167 transitions. [2024-10-15 00:44:39,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128975 states and 237167 transitions. [2024-10-15 00:44:41,123 INFO L131 ngComponentsAnalysis]: Automaton has 514 accepting balls. 39834 [2024-10-15 00:44:41,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128975 states to 128975 states and 237167 transitions. [2024-10-15 00:44:41,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128625 [2024-10-15 00:44:41,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128625 [2024-10-15 00:44:41,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128975 states and 237167 transitions. [2024-10-15 00:44:41,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:44:41,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128975 states and 237167 transitions. [2024-10-15 00:44:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128975 states and 237167 transitions.