./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme --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 ef17cfb4a2c8358ea255253edc0610051a64c94a86cd92ff89d3b074c51925f6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:40,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:40,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:53:40,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:40,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:40,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:40,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:40,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:40,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:53:40,602 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:53:40,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:40,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:40,604 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:40,605 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:53:40,605 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:53:40,606 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:53:40,606 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:53:40,607 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:53:40,607 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:53:40,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:40,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:53:40,609 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:53:40,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:40,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:53:40,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:40,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:53:40,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:53:40,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:53:40,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:53:40,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:53:40,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:40,613 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:53:40,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:40,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:40,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:40,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:40,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:40,615 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:53:40,616 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef17cfb4a2c8358ea255253edc0610051a64c94a86cd92ff89d3b074c51925f6 [2023-11-26 11:53:40,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:40,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:40,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:40,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:40,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:40,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c [2023-11-26 11:53:44,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:44,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:44,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/sv-benchmarks/c/product-lines/elevator_spec13_product23.cil.c [2023-11-26 11:53:44,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/data/775b6be2b/77087ece34d94280b61fe1ce7be7e13b/FLAG16f4157ff [2023-11-26 11:53:44,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/data/775b6be2b/77087ece34d94280b61fe1ce7be7e13b [2023-11-26 11:53:44,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:44,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:44,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:44,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:44,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:44,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:44" (1/1) ... [2023-11-26 11:53:44,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a80608d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:44, skipping insertion in model container [2023-11-26 11:53:44,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:44" (1/1) ... [2023-11-26 11:53:44,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:45,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:45,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:45,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-11-26 11:53:45,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [68] [2023-11-26 11:53:45,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [77] [2023-11-26 11:53:45,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [171] [2023-11-26 11:53:45,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [270] [2023-11-26 11:53:45,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [1873] [2023-11-26 11:53:45,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1991] [2023-11-26 11:53:45,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2342] [2023-11-26 11:53:45,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2708] [2023-11-26 11:53:45,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2743] [2023-11-26 11:53:45,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:45,606 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:45,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45 WrapperNode [2023-11-26 11:53:45,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:45,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:45,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:45,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:45,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:45,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,244 INFO L138 Inliner]: procedures = 94, calls = 347, calls flagged for inlining = 200, calls inlined = 1015, statements flattened = 35281 [2023-11-26 11:53:46,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:46,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:46,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:46,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:46,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,549 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]. [2023-11-26 11:53:46,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:46,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:47,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:47,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:47,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:47,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:47,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:47,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:47,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:47,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (1/1) ... [2023-11-26 11:53:47,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:47,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:47,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:47,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:53:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:53:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:53:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:53:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:53:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:53:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:53:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:53:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:53:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:53:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:53:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:53:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:53:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:53:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:53:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:53:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:53:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:53:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:53:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:53:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:53:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:47,670 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:47,672 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:02,573 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:02,687 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:02,687 INFO L309 CfgBuilder]: Removed 61 assume(true) statements. [2023-11-26 11:54:02,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:02 BoogieIcfgContainer [2023-11-26 11:54:02,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:02,695 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:54:02,695 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:54:02,699 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:54:02,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:02,700 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:53:44" (1/3) ... [2023-11-26 11:54:02,701 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b4f5860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:54:02, skipping insertion in model container [2023-11-26 11:54:02,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:02,702 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:45" (2/3) ... [2023-11-26 11:54:02,702 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b4f5860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:54:02, skipping insertion in model container [2023-11-26 11:54:02,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:02,702 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:02" (3/3) ... [2023-11-26 11:54:02,704 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product23.cil.c [2023-11-26 11:54:02,915 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:54:02,916 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:54:02,916 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:54:02,916 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:54:02,916 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:54:02,916 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:54:02,916 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:54:02,917 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:54:02,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9467 states, 9466 states have (on average 1.8756602577646313) internal successors, (17755), 9466 states have internal predecessors, (17755), 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) [2023-11-26 11:54:03,198 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2379 [2023-11-26 11:54:03,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:03,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:03,210 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] [2023-11-26 11:54:03,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:03,210 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:54:03,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9467 states, 9466 states have (on average 1.8756602577646313) internal successors, (17755), 9466 states have internal predecessors, (17755), 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) [2023-11-26 11:54:03,394 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2379 [2023-11-26 11:54:03,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:03,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:03,398 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] [2023-11-26 11:54:03,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:03,407 INFO L748 eck$LassoCheckResult]: Stem: 4896#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 4630#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 7965#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7594#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 655#valid_product_returnLabel#1true main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 7864#L2329true assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 1527#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 1603#L1917true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 2511#getOrigin_returnLabel#1true aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 8847#L3097true assume 0 == initPersonOnFloor_~floor#1; 3717#L3098true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 4798#L3205-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 7685#L2889true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8517#L2901-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 970#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7542#aliceCall_returnLabel#1true havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 6732#L1917-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 366#getOrigin_returnLabel#2true angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5437#L3097-1true assume 0 == initPersonOnFloor_~floor#1; 3682#L3098-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2199#L3205-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2683#L2889-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4082#L2901-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3308#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7757#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 7152#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 3603#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 7465#L2826true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 7126#isFloorCalling_returnLabel#1true isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 8733#isExecutiveFloorCalling_returnLabel#1true stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 2335#L1244true assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 3385#getCurrentFloorID_returnLabel#1true stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 7123#L1248true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 242#stopRequestedAtCurrentFloor_returnLabel#1true timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 4577#L1397true assume !(0 != timeShift_~tmp___9~2#1); 4255#L1488true assume 1 == ~doorState~0;~doorState~0 := 0; 1801#L1488-2true assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 6981#L2826-3true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 2722#isFloorCalling_returnLabel#4true isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 5659#isExecutiveFloorCalling_returnLabel#2true stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 4956#L1099true assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 9286#getCurrentFloorID_returnLabel#4true stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 1619#stopRequestedInDirection_returnLabel#1true timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 66#L1496true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 1426#L1156true assume !(1 == ~currentHeading~0); 81#L1166true assume !(0 == ~currentFloorID~0); 2331#L1166-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 9115#L1172-1true havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 7983#L1505-2true 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); 1167#L108true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 3932#L109true 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 785#L1700true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~2#1 := 0;existInLiftCallsInDirection_~i~2#1 := 1 + ~currentFloorID~0; 5972#L1704-2true [2023-11-26 11:54:03,408 INFO L750 eck$LassoCheckResult]: Loop: 5972#L1704-2true assume !false; 8931#L1705true assume existInLiftCallsInDirection_~i~2#1 < 5; 8060#L1706true assume !(0 == existInLiftCallsInDirection_~i~2#1); 6231#$Ultimate##3680true assume !(1 == existInLiftCallsInDirection_~i~2#1); 5344#$Ultimate##3684true assume !(2 == existInLiftCallsInDirection_~i~2#1); 448#$Ultimate##3688true assume !(3 == existInLiftCallsInDirection_~i~2#1); 8184#$Ultimate##3692true assume !(4 == existInLiftCallsInDirection_~i~2#1); 8695#L1747-1true existInLiftCallsInDirection_~i~2#1 := 1 + existInLiftCallsInDirection_~i~2#1; 5972#L1704-2true [2023-11-26 11:54:03,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash -377515284, now seen corresponding path program 1 times [2023-11-26 11:54:03,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:03,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897489510] [2023-11-26 11:54:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:04,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:04,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897489510] [2023-11-26 11:54:04,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897489510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:04,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:04,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:04,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897986078] [2023-11-26 11:54:04,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:04,068 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:04,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:04,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1111738493, now seen corresponding path program 1 times [2023-11-26 11:54:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:04,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755325190] [2023-11-26 11:54:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:04,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:04,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:04,201 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:04,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:04,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:04,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:04,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:54:04,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:04,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:04,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration1_Loop [2023-11-26 11:54:04,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:04,204 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:04,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:04,345 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:04,346 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:54:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:54:04,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:54:04,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:54:04,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:54:04,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:54:04,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:54:04,599 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:54:04,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,609 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:04,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:04,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:04,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:04,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:54:04,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:04,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:04,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration1_Loop [2023-11-26 11:54:04,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:04,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:04,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:04,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:04,699 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:54:04,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,715 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 [2023-11-26 11:54:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:54:04,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:04,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:04,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:04,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:04,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:04,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:04,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:04,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:54:04,749 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-26 11:54:04,749 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 11:54:04,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:04,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:04,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:54:04,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:54:04,817 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:54:04,817 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~2#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~2#1 Supporting invariants [] [2023-11-26 11:54:04,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:54:04,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:04,830 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:54:04,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:05,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:54:05,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:05,109 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:54:05,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:05,362 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 [2023-11-26 11:54:05,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9467 states, 9466 states have (on average 1.8756602577646313) internal successors, (17755), 9466 states have internal predecessors, (17755), 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 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2023-11-26 11:54:06,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:07,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9467 states, 9466 states have (on average 1.8756602577646313) internal successors, (17755), 9466 states have internal predecessors, (17755), 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 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 24739 states and 46338 transitions. Complement of second has 18 states. [2023-11-26 11:54:07,007 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 [2023-11-26 11:54:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2023-11-26 11:54:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 32067 transitions. [2023-11-26 11:54:07,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32067 transitions. Stem has 52 letters. Loop has 8 letters. [2023-11-26 11:54:07,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:07,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32067 transitions. Stem has 60 letters. Loop has 8 letters. [2023-11-26 11:54:07,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:07,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32067 transitions. Stem has 52 letters. Loop has 16 letters. [2023-11-26 11:54:07,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:07,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24739 states and 46338 transitions. [2023-11-26 11:54:07,479 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 4676 [2023-11-26 11:54:07,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24739 states to 17026 states and 31809 transitions. [2023-11-26 11:54:07,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16996 [2023-11-26 11:54:07,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16997 [2023-11-26 11:54:07,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17026 states and 31809 transitions. [2023-11-26 11:54:07,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:07,698 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17026 states and 31809 transitions. [2023-11-26 11:54:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17026 states and 31809 transitions. [2023-11-26 11:54:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17026 to 17000. [2023-11-26 11:54:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17000 states, 17000 states have (on average 1.8688235294117648) internal successors, (31770), 16999 states have internal predecessors, (31770), 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) [2023-11-26 11:54:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17000 states to 17000 states and 31770 transitions. [2023-11-26 11:54:08,503 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17000 states and 31770 transitions. [2023-11-26 11:54:08,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:54:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:08,508 INFO L87 Difference]: Start difference. First operand 17000 states and 31770 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2023-11-26 11:54:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:09,225 INFO L93 Difference]: Finished difference Result 16984 states and 31641 transitions. [2023-11-26 11:54:09,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16984 states and 31641 transitions. [2023-11-26 11:54:09,359 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 4660 [2023-11-26 11:54:09,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16984 states to 16975 states and 31632 transitions. [2023-11-26 11:54:09,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16956 [2023-11-26 11:54:09,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16956 [2023-11-26 11:54:09,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16975 states and 31632 transitions. [2023-11-26 11:54:09,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:09,647 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16975 states and 31632 transitions. [2023-11-26 11:54:09,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states and 31632 transitions. [2023-11-26 11:54:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 9454. [2023-11-26 11:54:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9454 states, 9454 states have (on average 1.863655595515126) internal successors, (17619), 9453 states have internal predecessors, (17619), 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) [2023-11-26 11:54:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 17619 transitions. [2023-11-26 11:54:09,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9454 states and 17619 transitions. [2023-11-26 11:54:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:09,984 INFO L428 stractBuchiCegarLoop]: Abstraction has 9454 states and 17619 transitions. [2023-11-26 11:54:09,984 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:54:09,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9454 states and 17619 transitions. [2023-11-26 11:54:10,044 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2377 [2023-11-26 11:54:10,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:10,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:10,048 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] [2023-11-26 11:54:10,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:10,050 INFO L748 eck$LassoCheckResult]: Stem: 75947#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 75696#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 75697#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 77536#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 70034#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 70035#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 71722#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 71723#L1917 assume !(0 == getOrigin_~person#1); 71857#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 70012#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 73281#L3097 assume 0 == initPersonOnFloor_~floor#1; 74795#L3098 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 69738#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 75852#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 71334#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 70674#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 70675#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 77199#L1917-1 assume !(0 == getOrigin_~person#1); 73617#L1921-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 69205#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 69359#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 74753#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 68640#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 72822#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 73535#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 74327#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 74328#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 77368#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 74655#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 74656#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 70095#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 77359#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 73022#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 73024#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 74432#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 69049#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 69050#L1397 assume !(0 != timeShift_~tmp___9~2#1); 75334#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 72195#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 72196#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 73585#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 73586#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 76009#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 76010#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 71881#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 68600#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 68601#L1156 assume !(1 == ~currentHeading~0); 68642#L1166 assume !(0 == ~currentFloorID~0); 68643#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 73017#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 76709#L1505-2 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); 71073#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 71074#L109 assume !(1 == ~prevDir~0); 75031#L135 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 75316#L1700-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~2#1 := 0;existInLiftCallsInDirection_~i~2#1 := 1 + ~currentFloorID~0; 71301#L1704-8 [2023-11-26 11:54:10,050 INFO L750 eck$LassoCheckResult]: Loop: 71301#L1704-8 assume !false; 71302#L1705-2 assume existInLiftCallsInDirection_~i~2#1 < 5; 71876#L1706-2 assume !(0 == existInLiftCallsInDirection_~i~2#1); 76521#$Ultimate##3836 assume !(1 == existInLiftCallsInDirection_~i~2#1); 75569#$Ultimate##3840 assume !(2 == existInLiftCallsInDirection_~i~2#1); 68740#$Ultimate##3844 assume !(3 == existInLiftCallsInDirection_~i~2#1); 68741#$Ultimate##3848 assume !(4 == existInLiftCallsInDirection_~i~2#1); 73147#L1747-5 existInLiftCallsInDirection_~i~2#1 := 1 + existInLiftCallsInDirection_~i~2#1; 71301#L1704-8 [2023-11-26 11:54:10,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1707396699, now seen corresponding path program 1 times [2023-11-26 11:54:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:10,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829607342] [2023-11-26 11:54:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:10,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829607342] [2023-11-26 11:54:10,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829607342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:10,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:10,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:10,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024245308] [2023-11-26 11:54:10,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:10,441 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:10,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:10,442 INFO L85 PathProgramCache]: Analyzing trace with hash -81162115, now seen corresponding path program 1 times [2023-11-26 11:54:10,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:10,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900908789] [2023-11-26 11:54:10,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:10,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:10,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:10,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:10,505 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:10,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:10,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:10,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:10,506 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:54:10,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:10,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:10,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration2_Loop [2023-11-26 11:54:10,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:10,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:10,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:10,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:10,562 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:54:10,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:10,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:10,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:54:10,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:54:10,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:54:10,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:10,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:10,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:10,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:54:10,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:54:10,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:54:10,657 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:54:10,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:10,666 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:54:10,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:54:10,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:54:10,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:54:10,666 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:54:10,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:54:10,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:54:10,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product23.cil.c_Iteration2_Loop [2023-11-26 11:54:10,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:54:10,667 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:54:10,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:54:10,721 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:54:10,721 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:54:10,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:10,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:10,731 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 [2023-11-26 11:54:10,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:54:10,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:54:10,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:54:10,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:54:10,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:54:10,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:54:10,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:54:10,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:54:10,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:54:10,759 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 11:54:10,759 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 11:54:10,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:10,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:10,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:10,765 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:54:10,765 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:54:10,765 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:54:10,766 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~2#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~2#1 Supporting invariants [] [2023-11-26 11:54:10,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:54:10,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:10,775 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:54:10,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:10,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:54:10,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:11,030 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:54:11,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:11,247 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 [2023-11-26 11:54:11,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9454 states and 17619 transitions. cyclomatic complexity: 8199 Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 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) [2023-11-26 11:54:11,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72f96ae4-6aa3-4063-bf4b-c9d57846a6f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:12,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9454 states and 17619 transitions. cyclomatic complexity: 8199. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 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 17031 states and 31715 transitions. Complement of second has 17 states. [2023-11-26 11:54:12,210 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 [2023-11-26 11:54:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 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) [2023-11-26 11:54:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 17608 transitions. [2023-11-26 11:54:12,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17608 transitions. Stem has 55 letters. Loop has 8 letters. [2023-11-26 11:54:12,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:12,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17608 transitions. Stem has 63 letters. Loop has 8 letters. [2023-11-26 11:54:12,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:12,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17608 transitions. Stem has 55 letters. Loop has 16 letters. [2023-11-26 11:54:12,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:54:12,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17031 states and 31715 transitions. [2023-11-26 11:54:12,332 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 4674 [2023-11-26 11:54:12,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17031 states to 17023 states and 31707 transitions. [2023-11-26 11:54:12,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16974 [2023-11-26 11:54:12,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16975 [2023-11-26 11:54:12,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17023 states and 31707 transitions. [2023-11-26 11:54:12,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:12,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17023 states and 31707 transitions. [2023-11-26 11:54:12,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17023 states and 31707 transitions. [2023-11-26 11:54:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17023 to 9478. [2023-11-26 11:54:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9478 states, 9478 states have (on average 1.8629457691496096) internal successors, (17657), 9477 states have internal predecessors, (17657), 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) [2023-11-26 11:54:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9478 states to 9478 states and 17657 transitions. [2023-11-26 11:54:12,667 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9478 states and 17657 transitions. [2023-11-26 11:54:12,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:12,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:12,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:12,669 INFO L87 Difference]: Start difference. First operand 9478 states and 17657 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2023-11-26 11:54:13,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:13,821 INFO L93 Difference]: Finished difference Result 18880 states and 35150 transitions. [2023-11-26 11:54:13,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18880 states and 35150 transitions. [2023-11-26 11:54:13,917 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 4762 [2023-11-26 11:54:14,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18880 states to 18880 states and 35150 transitions. [2023-11-26 11:54:14,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18804 [2023-11-26 11:54:14,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18804 [2023-11-26 11:54:14,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18880 states and 35150 transitions. [2023-11-26 11:54:14,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:14,027 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18880 states and 35150 transitions. [2023-11-26 11:54:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18880 states and 35150 transitions. [2023-11-26 11:54:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18880 to 9493. [2023-11-26 11:54:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9493 states, 9493 states have (on average 1.8615822184767723) internal successors, (17672), 9492 states have internal predecessors, (17672), 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) [2023-11-26 11:54:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9493 states to 9493 states and 17672 transitions. [2023-11-26 11:54:14,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9493 states and 17672 transitions. [2023-11-26 11:54:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:14,418 INFO L428 stractBuchiCegarLoop]: Abstraction has 9493 states and 17672 transitions. [2023-11-26 11:54:14,419 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:54:14,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9493 states and 17672 transitions. [2023-11-26 11:54:14,454 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:14,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:14,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:14,456 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] [2023-11-26 11:54:14,456 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:14,457 INFO L748 eck$LassoCheckResult]: Stem: 131035#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 130783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 130784#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 132634#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 125113#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 125114#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 126804#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 126805#L1917 assume !(0 == getOrigin_~person#1); 126939#L1921 assume !(1 == getOrigin_~person#1); 132203#L1925 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 125091#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 132976#L3097 assume 0 == initPersonOnFloor_~floor#1; 129880#L3098 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 124817#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 130940#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 126415#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 125753#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 125754#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 132295#L1917-1 assume !(0 == getOrigin_~person#1); 128701#L1921-1 assume !(1 == getOrigin_~person#1); 126759#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 124285#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 132979#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 129838#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 123717#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 127904#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 128619#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 129412#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 129413#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 132466#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 129740#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 129741#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 125174#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 132457#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 128104#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 128106#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 129517#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 124129#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 124130#L1397 assume !(0 != timeShift_~tmp___9~2#1); 130419#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 127278#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 127279#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 128669#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 128670#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 131096#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 131097#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 126963#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 123677#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 123678#L1156 assume !(1 == ~currentHeading~0); 123719#L1166 assume !(0 == ~currentFloorID~0); 123720#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 128099#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 131802#L1505-2 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); 126152#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 126153#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 125374#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 125375#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 130677#L1770-2 [2023-11-26 11:54:14,470 INFO L750 eck$LassoCheckResult]: Loop: 130677#L1770-2 assume !false; 126738#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 126739#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 123641#L1779-2 assume !false; 129929#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 129931#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 130677#L1770-2 [2023-11-26 11:54:14,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash 992492226, now seen corresponding path program 1 times [2023-11-26 11:54:14,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:14,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877072799] [2023-11-26 11:54:14,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:14,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:14,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:14,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877072799] [2023-11-26 11:54:14,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877072799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:14,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:14,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:14,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227854471] [2023-11-26 11:54:14,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:14,627 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:14,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 1 times [2023-11-26 11:54:14,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:14,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682857236] [2023-11-26 11:54:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:14,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:14,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:14,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:14,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:14,685 INFO L87 Difference]: Start difference. First operand 9493 states and 17672 transitions. cyclomatic complexity: 8214 Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-26 11:54:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:14,951 INFO L93 Difference]: Finished difference Result 9459 states and 17604 transitions. [2023-11-26 11:54:14,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9459 states and 17604 transitions. [2023-11-26 11:54:14,997 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:15,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9459 states to 9459 states and 17604 transitions. [2023-11-26 11:54:15,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9421 [2023-11-26 11:54:15,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9421 [2023-11-26 11:54:15,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9459 states and 17604 transitions. [2023-11-26 11:54:15,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:15,054 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9459 states and 17604 transitions. [2023-11-26 11:54:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9459 states and 17604 transitions. [2023-11-26 11:54:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9459 to 9459. [2023-11-26 11:54:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9459 states, 9459 states have (on average 1.8610846812559467) internal successors, (17604), 9458 states have internal predecessors, (17604), 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) [2023-11-26 11:54:15,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9459 states to 9459 states and 17604 transitions. [2023-11-26 11:54:15,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9459 states and 17604 transitions. [2023-11-26 11:54:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:15,385 INFO L428 stractBuchiCegarLoop]: Abstraction has 9459 states and 17604 transitions. [2023-11-26 11:54:15,385 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:54:15,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9459 states and 17604 transitions. [2023-11-26 11:54:15,421 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:15,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:15,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:15,423 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] [2023-11-26 11:54:15,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:15,423 INFO L748 eck$LassoCheckResult]: Stem: 149968#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 149719#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 149720#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 151564#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 144068#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 144069#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 145756#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 145757#L1917 assume !(0 == getOrigin_~person#1); 145891#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 147313#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 147314#L3097 assume !(0 == initPersonOnFloor_~floor#1); 151770#L3124 assume !(1 == initPersonOnFloor_~floor#1); 143651#L3151 assume !(2 == initPersonOnFloor_~floor#1); 143652#L3178 assume 3 == initPersonOnFloor_~floor#1; 149972#L3179 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 143775#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 149873#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 145369#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 144707#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 144708#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 151226#L1917-1 assume !(0 == getOrigin_~person#1); 147648#L1921-1 assume !(1 == getOrigin_~person#1); 145711#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 143243#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 151906#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 148783#L3098-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 142675#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 146855#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 147566#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 148359#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 148360#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 151396#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 148685#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 148686#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 144129#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 151387#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 147053#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 147055#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 148462#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 143087#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 143088#L1397 assume !(0 != timeShift_~tmp___9~2#1); 149358#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 146229#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 146230#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 147616#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 147617#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 150029#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 150030#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 145915#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 142635#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 142636#L1156 assume !(1 == ~currentHeading~0); 142677#L1166 assume !(0 == ~currentFloorID~0); 142678#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 147048#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 150734#L1505-2 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); 145106#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 145107#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 144328#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 144329#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 149616#L1770-2 [2023-11-26 11:54:15,424 INFO L750 eck$LassoCheckResult]: Loop: 149616#L1770-2 assume !false; 145690#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 145691#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 142599#L1779-2 assume !false; 148872#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 148874#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 149616#L1770-2 [2023-11-26 11:54:15,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:15,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1486168651, now seen corresponding path program 1 times [2023-11-26 11:54:15,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:15,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554324441] [2023-11-26 11:54:15,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:15,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:15,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554324441] [2023-11-26 11:54:15,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554324441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:15,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:15,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312226295] [2023-11-26 11:54:15,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:15,554 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:15,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:15,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 2 times [2023-11-26 11:54:15,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:15,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426274379] [2023-11-26 11:54:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:15,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:15,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:15,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:15,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:54:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:15,588 INFO L87 Difference]: Start difference. First operand 9459 states and 17604 transitions. cyclomatic complexity: 8180 Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-11-26 11:54:16,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:16,306 INFO L93 Difference]: Finished difference Result 9467 states and 17611 transitions. [2023-11-26 11:54:16,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9467 states and 17611 transitions. [2023-11-26 11:54:16,364 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:16,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9467 states to 9467 states and 17611 transitions. [2023-11-26 11:54:16,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9429 [2023-11-26 11:54:16,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9429 [2023-11-26 11:54:16,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9467 states and 17611 transitions. [2023-11-26 11:54:16,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:16,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9467 states and 17611 transitions. [2023-11-26 11:54:16,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9467 states and 17611 transitions. [2023-11-26 11:54:16,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9467 to 9459. [2023-11-26 11:54:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9459 states, 9459 states have (on average 1.8604503647320012) internal successors, (17598), 9458 states have internal predecessors, (17598), 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) [2023-11-26 11:54:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9459 states to 9459 states and 17598 transitions. [2023-11-26 11:54:16,630 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9459 states and 17598 transitions. [2023-11-26 11:54:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:16,633 INFO L428 stractBuchiCegarLoop]: Abstraction has 9459 states and 17598 transitions. [2023-11-26 11:54:16,634 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:54:16,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9459 states and 17598 transitions. [2023-11-26 11:54:16,681 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:16,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:16,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:16,683 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] [2023-11-26 11:54:16,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:16,683 INFO L748 eck$LassoCheckResult]: Stem: 168907#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 168658#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 168659#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 170503#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 163007#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 163008#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 164695#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 164696#L1917 assume !(0 == getOrigin_~person#1); 164830#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 166252#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 166253#L3097 assume !(0 == initPersonOnFloor_~floor#1); 170709#L3124 assume !(1 == initPersonOnFloor_~floor#1); 162590#L3151 assume !(2 == initPersonOnFloor_~floor#1); 162591#L3178 assume 3 == initPersonOnFloor_~floor#1; 168911#L3179 assume !(0 == initPersonOnFloor_~person#1); 165408#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 162714#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 168812#L2889 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 164308#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 163646#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 163647#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 170165#L1917-1 assume !(0 == getOrigin_~person#1); 166587#L1921-1 assume !(1 == getOrigin_~person#1); 164650#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 162182#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 170845#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 167722#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 167583#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 161614#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 165794#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 166505#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 167298#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 167299#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 170335#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 167624#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 167625#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 163068#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 170326#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 165992#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 165994#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 167401#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 162026#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 162027#L1397 assume !(0 != timeShift_~tmp___9~2#1); 168297#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 165168#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 165169#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 166555#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 166556#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 168968#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 168969#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 164854#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 161574#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 161575#L1156 assume !(1 == ~currentHeading~0); 161616#L1166 assume !(0 == ~currentFloorID~0); 161617#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 165987#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 169673#L1505-2 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); 164045#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 164046#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 163267#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 163268#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 168555#L1770-2 [2023-11-26 11:54:16,684 INFO L750 eck$LassoCheckResult]: Loop: 168555#L1770-2 assume !false; 164629#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 164630#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 161538#L1779-2 assume !false; 167811#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 167813#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 168555#L1770-2 [2023-11-26 11:54:16,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:16,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1146851719, now seen corresponding path program 1 times [2023-11-26 11:54:16,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:16,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856238843] [2023-11-26 11:54:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:16,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:16,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:16,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856238843] [2023-11-26 11:54:16,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856238843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:16,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:16,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:16,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838943121] [2023-11-26 11:54:16,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:16,828 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:16,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 3 times [2023-11-26 11:54:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:16,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033072787] [2023-11-26 11:54:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:16,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:16,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:16,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:16,877 INFO L87 Difference]: Start difference. First operand 9459 states and 17598 transitions. cyclomatic complexity: 8174 Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-26 11:54:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:17,492 INFO L93 Difference]: Finished difference Result 9477 states and 17623 transitions. [2023-11-26 11:54:17,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9477 states and 17623 transitions. [2023-11-26 11:54:17,534 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:17,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9477 states to 9477 states and 17623 transitions. [2023-11-26 11:54:17,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9439 [2023-11-26 11:54:17,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9439 [2023-11-26 11:54:17,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9477 states and 17623 transitions. [2023-11-26 11:54:17,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:17,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9477 states and 17623 transitions. [2023-11-26 11:54:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9477 states and 17623 transitions. [2023-11-26 11:54:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9477 to 9463. [2023-11-26 11:54:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 9463 states have (on average 1.8599809785480292) internal successors, (17601), 9462 states have internal predecessors, (17601), 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) [2023-11-26 11:54:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 17601 transitions. [2023-11-26 11:54:17,726 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9463 states and 17601 transitions. [2023-11-26 11:54:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:17,729 INFO L428 stractBuchiCegarLoop]: Abstraction has 9463 states and 17601 transitions. [2023-11-26 11:54:17,729 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:54:17,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9463 states and 17601 transitions. [2023-11-26 11:54:17,765 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:17,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:17,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:17,766 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] [2023-11-26 11:54:17,767 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:17,767 INFO L748 eck$LassoCheckResult]: Stem: 187855#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 187606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 187607#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 189452#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 181953#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 181954#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 183642#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 183643#L1917 assume !(0 == getOrigin_~person#1); 183777#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 185199#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 185200#L3097 assume !(0 == initPersonOnFloor_~floor#1); 189658#L3124 assume !(1 == initPersonOnFloor_~floor#1); 181536#L3151 assume !(2 == initPersonOnFloor_~floor#1); 181537#L3178 assume 3 == initPersonOnFloor_~floor#1; 187859#L3179 assume !(0 == initPersonOnFloor_~person#1); 184355#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 181660#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 187760#L2889 assume !(0 == callOnFloor_~floorID#1); 183254#L2892 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 183255#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 182592#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 182593#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 189113#L1917-1 assume !(0 == getOrigin_~person#1); 185534#L1921-1 assume !(1 == getOrigin_~person#1); 183597#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 181127#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 189794#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 186670#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 186531#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 180559#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 184741#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 186356#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 186245#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 186246#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 189284#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 186572#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 186573#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 182014#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 189275#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 184939#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 184941#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 186348#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 180971#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 180972#L1397 assume !(0 != timeShift_~tmp___9~2#1); 187245#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 184115#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 184116#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 185502#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 185503#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 187916#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 187917#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 183801#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 180519#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 180520#L1156 assume !(1 == ~currentHeading~0); 180561#L1166 assume !(0 == ~currentFloorID~0); 180562#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 184934#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 188621#L1505-2 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); 182991#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 182992#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 182213#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 182214#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 187503#L1770-2 [2023-11-26 11:54:17,767 INFO L750 eck$LassoCheckResult]: Loop: 187503#L1770-2 assume !false; 183576#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 183577#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 180483#L1779-2 assume !false; 186759#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 186761#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 187503#L1770-2 [2023-11-26 11:54:17,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1965093356, now seen corresponding path program 1 times [2023-11-26 11:54:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371494134] [2023-11-26 11:54:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:17,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371494134] [2023-11-26 11:54:17,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371494134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:17,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:17,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56625629] [2023-11-26 11:54:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:17,870 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:17,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 4 times [2023-11-26 11:54:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271030094] [2023-11-26 11:54:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:17,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:17,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:17,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:17,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:17,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:17,912 INFO L87 Difference]: Start difference. First operand 9463 states and 17601 transitions. cyclomatic complexity: 8173 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-11-26 11:54:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:18,307 INFO L93 Difference]: Finished difference Result 9481 states and 17624 transitions. [2023-11-26 11:54:18,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9481 states and 17624 transitions. [2023-11-26 11:54:18,347 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:18,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9481 states to 9481 states and 17624 transitions. [2023-11-26 11:54:18,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9443 [2023-11-26 11:54:18,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9443 [2023-11-26 11:54:18,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9481 states and 17624 transitions. [2023-11-26 11:54:18,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:18,392 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9481 states and 17624 transitions. [2023-11-26 11:54:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9481 states and 17624 transitions. [2023-11-26 11:54:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9481 to 9469. [2023-11-26 11:54:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9469 states, 9469 states have (on average 1.8593304467208787) internal successors, (17606), 9468 states have internal predecessors, (17606), 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) [2023-11-26 11:54:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9469 states to 9469 states and 17606 transitions. [2023-11-26 11:54:18,540 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9469 states and 17606 transitions. [2023-11-26 11:54:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:18,541 INFO L428 stractBuchiCegarLoop]: Abstraction has 9469 states and 17606 transitions. [2023-11-26 11:54:18,541 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:54:18,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9469 states and 17606 transitions. [2023-11-26 11:54:18,577 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:18,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:18,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:18,578 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] [2023-11-26 11:54:18,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:18,579 INFO L748 eck$LassoCheckResult]: Stem: 206809#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 206560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 206561#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 208406#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 200906#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 200907#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 202594#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 202595#L1917 assume !(0 == getOrigin_~person#1); 202729#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 204153#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 204154#L3097 assume !(0 == initPersonOnFloor_~floor#1); 208612#L3124 assume !(1 == initPersonOnFloor_~floor#1); 200491#L3151 assume !(2 == initPersonOnFloor_~floor#1); 200492#L3178 assume 3 == initPersonOnFloor_~floor#1; 206813#L3179 assume !(0 == initPersonOnFloor_~person#1); 203309#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 200613#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 206714#L2889 assume !(0 == callOnFloor_~floorID#1); 202207#L2892 assume !(1 == callOnFloor_~floorID#1); 202208#L2895 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 207021#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 201545#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 201546#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 208068#L1917-1 assume !(0 == getOrigin_~person#1); 204487#L1921-1 assume !(1 == getOrigin_~person#1); 202549#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 200080#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 208748#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 205623#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 205484#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 199512#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 208759#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 205309#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 205198#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 205199#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 208238#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 205525#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 205526#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 200970#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 208229#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 203893#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 203895#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 205301#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 199924#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 199925#L1397 assume !(0 != timeShift_~tmp___9~2#1); 206199#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 203068#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 203069#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 204455#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 204456#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 206870#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 206871#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 202754#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 199472#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 199473#L1156 assume !(1 == ~currentHeading~0); 199514#L1166 assume !(0 == ~currentFloorID~0); 199515#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 203888#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 207576#L1505-2 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); 201944#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 201945#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 201166#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 201167#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 206457#L1770-2 [2023-11-26 11:54:18,579 INFO L750 eck$LassoCheckResult]: Loop: 206457#L1770-2 assume !false; 202528#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 202529#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 199439#L1779-2 assume !false; 205712#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 205714#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 206457#L1770-2 [2023-11-26 11:54:18,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1905684660, now seen corresponding path program 1 times [2023-11-26 11:54:18,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452658416] [2023-11-26 11:54:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:18,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:18,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452658416] [2023-11-26 11:54:18,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452658416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:18,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:18,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:18,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310044873] [2023-11-26 11:54:18,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:18,663 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:18,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 5 times [2023-11-26 11:54:18,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26426397] [2023-11-26 11:54:18,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:18,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:18,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:18,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:18,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:18,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:18,693 INFO L87 Difference]: Start difference. First operand 9469 states and 17606 transitions. cyclomatic complexity: 8172 Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2023-11-26 11:54:19,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:19,018 INFO L93 Difference]: Finished difference Result 9487 states and 17627 transitions. [2023-11-26 11:54:19,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9487 states and 17627 transitions. [2023-11-26 11:54:19,174 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:19,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9487 states to 9487 states and 17627 transitions. [2023-11-26 11:54:19,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9449 [2023-11-26 11:54:19,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9449 [2023-11-26 11:54:19,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9487 states and 17627 transitions. [2023-11-26 11:54:19,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:19,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9487 states and 17627 transitions. [2023-11-26 11:54:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9487 states and 17627 transitions. [2023-11-26 11:54:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9487 to 9477. [2023-11-26 11:54:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9477 states, 9477 states have (on average 1.8584995251661918) internal successors, (17613), 9476 states have internal predecessors, (17613), 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) [2023-11-26 11:54:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9477 states to 9477 states and 17613 transitions. [2023-11-26 11:54:19,366 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9477 states and 17613 transitions. [2023-11-26 11:54:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:54:19,367 INFO L428 stractBuchiCegarLoop]: Abstraction has 9477 states and 17613 transitions. [2023-11-26 11:54:19,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:54:19,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9477 states and 17613 transitions. [2023-11-26 11:54:19,402 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:19,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:19,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:19,403 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] [2023-11-26 11:54:19,403 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:19,404 INFO L748 eck$LassoCheckResult]: Stem: 225777#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 225528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 225529#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 227373#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 219874#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 219875#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 221558#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 221559#L1917 assume !(0 == getOrigin_~person#1); 221695#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 223122#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 223123#L3097 assume !(0 == initPersonOnFloor_~floor#1); 227580#L3124 assume !(1 == initPersonOnFloor_~floor#1); 219458#L3151 assume !(2 == initPersonOnFloor_~floor#1); 219459#L3178 assume 3 == initPersonOnFloor_~floor#1; 225781#L3179 assume !(0 == initPersonOnFloor_~person#1); 222274#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 219578#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 225682#L2889 assume !(0 == callOnFloor_~floorID#1); 221171#L2892 assume !(1 == callOnFloor_~floorID#1); 221172#L2895 assume !(2 == callOnFloor_~floorID#1); 225989#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 227516#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 220509#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 220510#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 227035#L1917-1 assume !(0 == getOrigin_~person#1); 223453#L1921-1 assume !(1 == getOrigin_~person#1); 221515#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 219045#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 227716#L3097-1 assume 0 == initPersonOnFloor_~floor#1; 224590#L3098-2 assume !(0 == initPersonOnFloor_~person#1); 224451#L3101-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 218477#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 227728#L2889-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 224276#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 224165#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 224166#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 227205#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 224492#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 224493#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 219935#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 227196#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 222858#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 222860#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 224268#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 218889#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 218890#L1397 assume !(0 != timeShift_~tmp___9~2#1); 225167#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 222033#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 222034#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 223422#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 223423#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 225838#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 225839#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 221718#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 218437#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 218438#L1156 assume !(1 == ~currentHeading~0); 218481#L1166 assume !(0 == ~currentFloorID~0); 218482#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 222853#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 226543#L1505-2 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); 220908#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 220909#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 220130#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 220131#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 225425#L1770-2 [2023-11-26 11:54:19,404 INFO L750 eck$LassoCheckResult]: Loop: 225425#L1770-2 assume !false; 221492#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 221493#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 218404#L1779-2 assume !false; 224679#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 224681#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 225425#L1770-2 [2023-11-26 11:54:19,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash 812216559, now seen corresponding path program 1 times [2023-11-26 11:54:19,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:19,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335803011] [2023-11-26 11:54:19,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:19,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:19,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:19,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335803011] [2023-11-26 11:54:19,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335803011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:19,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:19,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:19,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687802323] [2023-11-26 11:54:19,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:19,534 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:19,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:19,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 6 times [2023-11-26 11:54:19,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:19,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463691137] [2023-11-26 11:54:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:19,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:19,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:54:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:19,565 INFO L87 Difference]: Start difference. First operand 9477 states and 17613 transitions. cyclomatic complexity: 8171 Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2023-11-26 11:54:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:20,135 INFO L93 Difference]: Finished difference Result 13251 states and 24636 transitions. [2023-11-26 11:54:20,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13251 states and 24636 transitions. [2023-11-26 11:54:20,192 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 4394 [2023-11-26 11:54:20,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13251 states to 13251 states and 24636 transitions. [2023-11-26 11:54:20,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13213 [2023-11-26 11:54:20,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13213 [2023-11-26 11:54:20,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13251 states and 24636 transitions. [2023-11-26 11:54:20,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:20,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13251 states and 24636 transitions. [2023-11-26 11:54:20,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13251 states and 24636 transitions. [2023-11-26 11:54:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13251 to 9463. [2023-11-26 11:54:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 9463 states have (on average 1.858501532283631) internal successors, (17587), 9462 states have internal predecessors, (17587), 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) [2023-11-26 11:54:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 17587 transitions. [2023-11-26 11:54:20,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9463 states and 17587 transitions. [2023-11-26 11:54:20,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:54:20,478 INFO L428 stractBuchiCegarLoop]: Abstraction has 9463 states and 17587 transitions. [2023-11-26 11:54:20,478 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:54:20,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9463 states and 17587 transitions. [2023-11-26 11:54:20,523 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:20,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:20,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:20,524 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] [2023-11-26 11:54:20,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:20,525 INFO L748 eck$LassoCheckResult]: Stem: 248507#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 248258#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 248259#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 250103#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 242610#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 242611#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 244292#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 244293#L1917 assume !(0 == getOrigin_~person#1); 244429#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 245858#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 245859#L3097 assume !(0 == initPersonOnFloor_~floor#1); 250310#L3124 assume !(1 == initPersonOnFloor_~floor#1); 242194#L3151 assume !(2 == initPersonOnFloor_~floor#1); 242195#L3178 assume 3 == initPersonOnFloor_~floor#1; 248511#L3179 assume !(0 == initPersonOnFloor_~person#1); 245011#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 242314#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 248412#L2889 assume !(0 == callOnFloor_~floorID#1); 243907#L2892 assume !(1 == callOnFloor_~floorID#1); 243908#L2895 assume !(2 == callOnFloor_~floorID#1); 248719#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 250246#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 243245#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 243246#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 249764#L1917-1 assume !(0 == getOrigin_~person#1); 246189#L1921-1 assume !(1 == getOrigin_~person#1); 244249#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 241935#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 241936#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 244773#L3124-1 assume 1 == initPersonOnFloor_~floor#1; 244774#L3125-2 assume !(0 == initPersonOnFloor_~person#1); 249706#L3128-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 244655#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 250453#L2889-2 assume !(0 == callOnFloor_~floorID#1); 250451#L2892-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 247013#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 246900#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 246901#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 249935#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 247226#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 247227#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 242677#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 249926#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 245594#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 245596#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 247003#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 241630#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 241631#L1397 assume !(0 != timeShift_~tmp___9~2#1); 247897#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 244768#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 244769#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 246158#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 246159#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 248568#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 248569#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 244452#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 241178#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 241179#L1156 assume !(1 == ~currentHeading~0); 241219#L1166 assume !(0 == ~currentFloorID~0); 241220#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 245589#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 249273#L1505-2 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); 243646#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 243647#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 242866#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 242867#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 248155#L1770-2 [2023-11-26 11:54:20,525 INFO L750 eck$LassoCheckResult]: Loop: 248155#L1770-2 assume !false; 244226#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 244227#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 241145#L1779-2 assume !false; 247413#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 247415#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 248155#L1770-2 [2023-11-26 11:54:20,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:20,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1877153083, now seen corresponding path program 1 times [2023-11-26 11:54:20,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:20,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710089851] [2023-11-26 11:54:20,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:20,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:20,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:20,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710089851] [2023-11-26 11:54:20,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710089851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:20,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:20,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606187229] [2023-11-26 11:54:20,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:20,697 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:20,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:20,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 7 times [2023-11-26 11:54:20,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:20,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052629250] [2023-11-26 11:54:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:20,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:20,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:20,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:20,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:54:20,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:20,730 INFO L87 Difference]: Start difference. First operand 9463 states and 17587 transitions. cyclomatic complexity: 8159 Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2023-11-26 11:54:21,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:21,434 INFO L93 Difference]: Finished difference Result 13234 states and 24604 transitions. [2023-11-26 11:54:21,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13234 states and 24604 transitions. [2023-11-26 11:54:21,476 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 4394 [2023-11-26 11:54:21,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13234 states to 13234 states and 24604 transitions. [2023-11-26 11:54:21,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13196 [2023-11-26 11:54:21,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13196 [2023-11-26 11:54:21,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13234 states and 24604 transitions. [2023-11-26 11:54:21,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:21,517 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13234 states and 24604 transitions. [2023-11-26 11:54:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13234 states and 24604 transitions. [2023-11-26 11:54:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13234 to 9457. [2023-11-26 11:54:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9457 states have (on average 1.858306016707201) internal successors, (17574), 9456 states have internal predecessors, (17574), 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) [2023-11-26 11:54:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 17574 transitions. [2023-11-26 11:54:21,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9457 states and 17574 transitions. [2023-11-26 11:54:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:54:21,674 INFO L428 stractBuchiCegarLoop]: Abstraction has 9457 states and 17574 transitions. [2023-11-26 11:54:21,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:54:21,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9457 states and 17574 transitions. [2023-11-26 11:54:21,701 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:21,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:21,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:21,702 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] [2023-11-26 11:54:21,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:21,702 INFO L748 eck$LassoCheckResult]: Stem: 271213#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 270964#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 270965#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 272808#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 265317#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 265318#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 267002#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 267003#L1917 assume !(0 == getOrigin_~person#1); 267137#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 268561#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 268562#L3097 assume !(0 == initPersonOnFloor_~floor#1); 273015#L3124 assume !(1 == initPersonOnFloor_~floor#1); 264900#L3151 assume !(2 == initPersonOnFloor_~floor#1); 264901#L3178 assume 3 == initPersonOnFloor_~floor#1; 271217#L3179 assume !(0 == initPersonOnFloor_~person#1); 267716#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 265024#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 271118#L2889 assume !(0 == callOnFloor_~floorID#1); 266617#L2892 assume !(1 == callOnFloor_~floorID#1); 266618#L2895 assume !(2 == callOnFloor_~floorID#1); 271425#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 272951#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 265955#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 265956#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 272469#L1917-1 assume !(0 == getOrigin_~person#1); 268895#L1921-1 assume !(1 == getOrigin_~person#1); 266957#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 264645#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 264646#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 267480#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 267481#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 267946#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 267947#L3155-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 268466#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 273160#L2889-2 assume !(0 == callOnFloor_~floorID#1); 273159#L2892-2 assume !(1 == callOnFloor_~floorID#1); 273158#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 269717#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 269606#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 269607#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 272640#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 269932#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 269933#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 265378#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 272631#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 268300#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 268302#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 269709#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 264337#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 264338#L1397 assume !(0 != timeShift_~tmp___9~2#1); 270603#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 267475#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 267476#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 268863#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 268864#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 271274#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 271275#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 267161#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 263888#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 263889#L1156 assume !(1 == ~currentHeading~0); 263927#L1166 assume !(0 == ~currentFloorID~0); 263928#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 268295#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 271980#L1505-2 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); 266354#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 266355#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 265576#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 265577#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 270861#L1770-2 [2023-11-26 11:54:21,702 INFO L750 eck$LassoCheckResult]: Loop: 270861#L1770-2 assume !false; 266936#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 266937#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 263852#L1779-2 assume !false; 270118#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 270120#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 270861#L1770-2 [2023-11-26 11:54:21,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2042376538, now seen corresponding path program 1 times [2023-11-26 11:54:21,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:21,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744001133] [2023-11-26 11:54:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744001133] [2023-11-26 11:54:21,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744001133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:21,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:21,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:21,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057080665] [2023-11-26 11:54:21,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:21,806 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:21,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:21,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 8 times [2023-11-26 11:54:21,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:21,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211418141] [2023-11-26 11:54:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:21,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:21,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:21,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:21,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:21,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:21,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:21,836 INFO L87 Difference]: Start difference. First operand 9457 states and 17574 transitions. cyclomatic complexity: 8152 Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2023-11-26 11:54:22,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:22,256 INFO L93 Difference]: Finished difference Result 9466 states and 17577 transitions. [2023-11-26 11:54:22,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9466 states and 17577 transitions. [2023-11-26 11:54:22,301 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:22,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9466 states to 9466 states and 17577 transitions. [2023-11-26 11:54:22,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9428 [2023-11-26 11:54:22,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9428 [2023-11-26 11:54:22,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9466 states and 17577 transitions. [2023-11-26 11:54:22,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:54:22,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9466 states and 17577 transitions. [2023-11-26 11:54:22,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9466 states and 17577 transitions. [2023-11-26 11:54:22,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9466 to 9457. [2023-11-26 11:54:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9457 states have (on average 1.8574600824785872) internal successors, (17566), 9456 states have internal predecessors, (17566), 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) [2023-11-26 11:54:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 17566 transitions. [2023-11-26 11:54:22,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9457 states and 17566 transitions. [2023-11-26 11:54:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:22,635 INFO L428 stractBuchiCegarLoop]: Abstraction has 9457 states and 17566 transitions. [2023-11-26 11:54:22,635 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 11:54:22,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9457 states and 17566 transitions. [2023-11-26 11:54:22,671 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2381 [2023-11-26 11:54:22,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:22,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:22,672 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] [2023-11-26 11:54:22,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:22,672 INFO L748 eck$LassoCheckResult]: Stem: 290143#$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(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 289894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret116#1, main_~retValue_acc~23#1, main_~tmp~25#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 289895#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 291737#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 284247#valid_product_returnLabel#1 main_#t~ret116#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret116#1;havoc main_#t~ret116#1; 284248#L2329 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 285932#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~ret105#1, aliceCall_~tmp~18#1;havoc aliceCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 285933#L1917 assume !(0 == getOrigin_~person#1); 286069#L1921 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 287490#getOrigin_returnLabel#1 aliceCall_#t~ret105#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~18#1 := aliceCall_#t~ret105#1;havoc aliceCall_#t~ret105#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 287491#L3097 assume !(0 == initPersonOnFloor_~floor#1); 291944#L3124 assume !(1 == initPersonOnFloor_~floor#1); 283832#L3151 assume !(2 == initPersonOnFloor_~floor#1); 283833#L3178 assume 3 == initPersonOnFloor_~floor#1; 290147#L3179 assume !(0 == initPersonOnFloor_~person#1); 286645#L3182 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 283954#L3205-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 290048#L2889 assume !(0 == callOnFloor_~floorID#1); 285547#L2892 assume !(1 == callOnFloor_~floorID#1); 285548#L2895 assume !(2 == callOnFloor_~floorID#1); 290355#L2898 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 291880#L2901-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 284885#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 284886#aliceCall_returnLabel#1 havoc aliceCall_#t~ret105#1, aliceCall_~tmp~18#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;havoc angelinaCall_~tmp~19#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 291399#L1917-1 assume !(0 == getOrigin_~person#1); 287824#L1921-1 assume !(1 == getOrigin_~person#1); 285889#L1925-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 283575#getOrigin_returnLabel#2 angelinaCall_#t~ret106#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~19#1 := angelinaCall_#t~ret106#1;havoc angelinaCall_#t~ret106#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~19#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 283576#L3097-1 assume !(0 == initPersonOnFloor_~floor#1); 286410#L3124-1 assume !(1 == initPersonOnFloor_~floor#1); 286411#L3151-1 assume 2 == initPersonOnFloor_~floor#1; 286877#L3152-2 assume !(0 == initPersonOnFloor_~person#1); 286878#L3155-2 assume !(1 == initPersonOnFloor_~person#1); 289369#L3158-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 287395#L3205-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 292085#L2889-2 assume !(0 == callOnFloor_~floorID#1); 292084#L2892-2 assume !(1 == callOnFloor_~floorID#1); 292083#L2895-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 288646#L2901-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 288535#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 288536#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret106#1, angelinaCall_~tmp~19#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_#t~ret71#1, timeShift_#t~ret72#1, timeShift_#t~ret73#1, timeShift_#t~ret74#1, timeShift_#t~ret75#1, timeShift_~tmp~15#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~6#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~15#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~6#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___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~4#1;havoc getCurrentHeading_~retValue_acc~4#1;getCurrentHeading_~retValue_acc~4#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~4#1; 291569#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret4#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~4#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; 288861#__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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~14#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 288862#L2826 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 284311#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 291560#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret49#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret49#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1; 287229#L1244 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 287231#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret50#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret50#1;havoc stopRequestedAtCurrentFloor_#t~ret50#1; 288638#L1248 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~14#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~14#1; 283267#stopRequestedAtCurrentFloor_returnLabel#1 timeShift_#t~ret65#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret49#1, stopRequestedAtCurrentFloor_#t~ret50#1, stopRequestedAtCurrentFloor_#t~ret51#1, stopRequestedAtCurrentFloor_#t~ret52#1, stopRequestedAtCurrentFloor_~retValue_acc~14#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 283268#L1397 assume !(0 != timeShift_~tmp___9~2#1); 289532#L1488 assume 1 == ~doorState~0;~doorState~0 := 0; 286405#L1488-2 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~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#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~10#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~1#1;havoc stopRequestedInDirection_~__cil_tmp8~2#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;havoc isExecutiveFloorCalling_~retValue_acc~17#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~29#1; 286406#L2826-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~29#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~29#1; 287792#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret102#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~29#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~17#1 := isExecutiveFloorCalling_#t~ret102#1;havoc isExecutiveFloorCalling_#t~ret102#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~17#1; 287793#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret40#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret102#1, isExecutiveFloorCalling_~retValue_acc~17#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret40#1;havoc stopRequestedInDirection_#t~ret40#1; 290204#L1099 assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 290205#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret41#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~1#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_~__cil_tmp7~1#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~2#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~10#1 := (if stopRequestedInDirection_~__cil_tmp8~2#1 == stopRequestedInDirection_~__cil_tmp7~1#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~10#1; 286092#stopRequestedInDirection_returnLabel#1 timeShift_#t~ret72#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~10#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~1#1, stopRequestedInDirection_~__cil_tmp8~2#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret72#1;havoc timeShift_#t~ret72#1; 282818#L1496 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~10#1;~currentHeading~0 := continueInDirection_~dir#1; 282819#L1156 assume !(1 == ~currentHeading~0); 282857#L1166 assume !(0 == ~currentFloorID~0); 282858#L1166-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 287224#L1172-1 havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 290910#L1505-2 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); 285284#L108 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 285285#L109 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~16#1, existInLiftCallsInDirection_~i~2#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~16#1;havoc existInLiftCallsInDirection_~i~2#1;havoc existInLiftCallsInDirection_~i___0~0#1; 284506#L1700 assume !(1 == existInLiftCallsInDirection_~d#1); 284507#L1766 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 289791#L1770-2 [2023-11-26 11:54:22,673 INFO L750 eck$LassoCheckResult]: Loop: 289791#L1770-2 assume !false; 285866#L1771 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 285867#L1772 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 282785#L1779-2 assume !false; 289047#L1780 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 289049#L1838 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 289791#L1770-2 [2023-11-26 11:54:22,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:22,674 INFO L85 PathProgramCache]: Analyzing trace with hash 413234797, now seen corresponding path program 1 times [2023-11-26 11:54:22,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:22,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038037406] [2023-11-26 11:54:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:22,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:22,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038037406] [2023-11-26 11:54:22,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038037406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:22,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:22,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:22,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126470737] [2023-11-26 11:54:22,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:22,840 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:54:22,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1087190869, now seen corresponding path program 9 times [2023-11-26 11:54:22,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:22,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533846603] [2023-11-26 11:54:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:22,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:22,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:22,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:22,873 INFO L87 Difference]: Start difference. First operand 9457 states and 17566 transitions. cyclomatic complexity: 8144 Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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)