./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:16,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:16,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:23:16,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:16,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:16,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:16,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:16,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:16,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:16,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:16,203 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:16,203 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:23:16,204 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:23:16,205 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:23:16,205 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:23:16,206 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:23:16,206 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:23:16,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:16,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:23:16,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:16,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:16,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:16,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:16,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:23:16,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:23:16,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:23:16,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:23:16,221 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:16,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:16,222 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:23:16,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:16,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:16,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:16,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:16,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:16,225 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:23:16,225 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_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 [2023-11-06 22:23:16,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:16,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:16,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:16,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:16,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:16,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2023-11-06 22:23:19,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:20,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:20,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2023-11-06 22:23:20,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/data/a66b0bb3e/ad24a272d36b4c7392537f71c285fd20/FLAGd05b1a5ef [2023-11-06 22:23:20,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/data/a66b0bb3e/ad24a272d36b4c7392537f71c285fd20 [2023-11-06 22:23:20,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:20,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:20,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:20,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:20,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:20,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:20" (1/1) ... [2023-11-06 22:23:20,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19225585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:20, skipping insertion in model container [2023-11-06 22:23:20,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:20" (1/1) ... [2023-11-06 22:23:20,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:21,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:21,065 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:21,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2023-11-06 22:23:21,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] [2023-11-06 22:23:21,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [434] [2023-11-06 22:23:21,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2095] [2023-11-06 22:23:21,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2449] [2023-11-06 22:23:21,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2458] [2023-11-06 22:23:21,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2549] [2023-11-06 22:23:21,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [3210] [2023-11-06 22:23:21,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3299] [2023-11-06 22:23:21,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3417] [2023-11-06 22:23:21,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:21,219 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:21,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21 WrapperNode [2023-11-06 22:23:21,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:21,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:21,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:21,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:21,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:22,326 INFO L138 Inliner]: procedures = 96, calls = 353, calls flagged for inlining = 205, calls inlined = 1945, statements flattened = 67293 [2023-11-06 22:23:22,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:22,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:22,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:22,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:22,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:22,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:22,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:22,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:23,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:23,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:23,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:23,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:24,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:24,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:24,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:24,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:24,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:24,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:24,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:23:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:24,676 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:24,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:50,511 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:50,605 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:50,605 INFO L302 CfgBuilder]: Removed 61 assume(true) statements. [2023-11-06 22:23:50,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:50 BoogieIcfgContainer [2023-11-06 22:23:50,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:50,625 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:23:50,625 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:23:50,629 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:23:50,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:50,630 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:23:20" (1/3) ... [2023-11-06 22:23:50,631 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bd45ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:23:50, skipping insertion in model container [2023-11-06 22:23:50,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:50,632 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (2/3) ... [2023-11-06 22:23:50,632 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bd45ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:23:50, skipping insertion in model container [2023-11-06 22:23:50,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:50,632 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:50" (3/3) ... [2023-11-06 22:23:50,634 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product24.cil.c [2023-11-06 22:23:50,935 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:23:50,935 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:23:50,936 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:23:50,936 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:23:50,936 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:23:50,936 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:23:50,936 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:23:50,937 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:23:50,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17952 states, 17951 states have (on average 1.8770542031084618) internal successors, (33695), 17951 states have internal predecessors, (33695), 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) [2023-11-06 22:23:51,613 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2023-11-06 22:23:51,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:51,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:51,624 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] [2023-11-06 22:23:51,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:51,624 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:23:51,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17952 states, 17951 states have (on average 1.8770542031084618) internal successors, (33695), 17951 states have internal predecessors, (33695), 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) [2023-11-06 22:23:51,923 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2023-11-06 22:23:51,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:51,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:51,927 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] [2023-11-06 22:23:51,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:51,942 INFO L748 eck$LassoCheckResult]: Stem: 4595#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 4332#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 16533#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16183#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 9548#valid_product_returnLabel#1true main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 17091#L2436true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 10378#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 10939#L3343true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 2383#getOrigin_returnLabel#1true aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 10938#L2903true assume 0 == initPersonOnFloor_~floor#1; 5076#L2904true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 12188#L3011-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 4422#L2695true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8135#L2707-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 9847#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 16121#aliceCall_returnLabel#1true havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 17518#L3343-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 9265#getOrigin_returnLabel#2true angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4650#L2903-1true assume 0 == initPersonOnFloor_~floor#1; 1145#L2904-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2951#L3011-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 11549#L2695-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 17877#L2707-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3127#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7388#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 6825#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 12422#__utac_acc__Specification13_spec__1_returnLabel#1true havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 14147#areDoorsOpen_returnLabel#1true timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 17002#L1702true assume 0 != timeShift_~tmp~16#1; 8562#L1703true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3738#L1702-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 1562#L3236true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 7801#L3237true 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 17337#L1922true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 13701#L1926-2true [2023-11-06 22:23:51,943 INFO L750 eck$LassoCheckResult]: Loop: 13701#L1926-2true assume !false; 17211#L1927true assume existInLiftCallsInDirection_~i~0#1 < 5; 17543#L1928true assume !(0 == existInLiftCallsInDirection_~i~0#1); 14213#$Ultimate##7080true assume !(1 == existInLiftCallsInDirection_~i~0#1); 10820#$Ultimate##7084true assume !(2 == existInLiftCallsInDirection_~i~0#1); 3881#$Ultimate##7088true assume !(3 == existInLiftCallsInDirection_~i~0#1); 10072#$Ultimate##7092true assume !(4 == existInLiftCallsInDirection_~i~0#1); 13134#L1969-1true existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 13701#L1926-2true [2023-11-06 22:23:51,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1530792437, now seen corresponding path program 1 times [2023-11-06 22:23:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:51,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950300935] [2023-11-06 22:23:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:51,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:52,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:52,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950300935] [2023-11-06 22:23:52,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950300935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:52,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:52,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:52,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622134000] [2023-11-06 22:23:52,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:52,453 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:23:52,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash 629105533, now seen corresponding path program 1 times [2023-11-06 22:23:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:52,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601264889] [2023-11-06 22:23:52,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:52,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:52,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:52,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:52,572 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:23:52,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:23:52,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:23:52,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:23:52,573 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:23:52,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:23:52,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:23:52,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2023-11-06 22:23:52,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:23:52,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:23:52,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:23:52,711 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:23:52,712 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:23:52,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:52,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:52,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:23:52,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:23:52,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:23:52,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:52,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:52,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:52,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:23:52,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:23:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:23:52,820 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:23:52,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:52,829 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:23:52,830 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:23:52,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:23:52,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:23:52,830 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:23:52,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:23:52,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:23:52,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2023-11-06 22:23:52,831 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:23:52,831 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:23:52,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:23:52,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:23:52,902 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:23:52,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:52,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:52,914 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 [2023-11-06 22:23:52,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:23:52,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:23:52,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:23:52,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:23:52,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:23:52,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:23:52,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:23:52,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:23:52,940 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:23:52,945 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-06 22:23:52,945 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:23:52,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:52,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:52,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:23:52,981 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:23:52,981 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:23:52,982 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:23:52,983 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2023-11-06 22:23:52,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:52,995 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:23:53,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:53,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:53,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:23:53,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:53,405 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:23:53,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:53,621 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 [2023-11-06 22:23:53,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17952 states, 17951 states have (on average 1.8770542031084618) internal successors, (33695), 17951 states have internal predecessors, (33695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17952 states, 17951 states have (on average 1.8770542031084618) internal successors, (33695), 17951 states have internal predecessors, (33695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46800 states and 87782 transitions. Complement of second has 18 states. [2023-11-06 22:23:56,216 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 [2023-11-06 22:23:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60759 transitions. [2023-11-06 22:23:56,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60759 transitions. Stem has 34 letters. Loop has 8 letters. [2023-11-06 22:23:56,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:23:56,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60759 transitions. Stem has 42 letters. Loop has 8 letters. [2023-11-06 22:23:56,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:23:56,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60759 transitions. Stem has 34 letters. Loop has 16 letters. [2023-11-06 22:23:56,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:23:56,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46800 states and 87782 transitions. [2023-11-06 22:23:56,851 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8070 [2023-11-06 22:23:57,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46800 states to 32299 states and 60501 transitions. [2023-11-06 22:23:57,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32269 [2023-11-06 22:23:57,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32270 [2023-11-06 22:23:57,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32299 states and 60501 transitions. [2023-11-06 22:23:57,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:23:57,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32299 states and 60501 transitions. [2023-11-06 22:23:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32299 states and 60501 transitions. [2023-11-06 22:23:58,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32299 to 32273. [2023-11-06 22:23:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32273 states, 32273 states have (on average 1.8734545905245872) internal successors, (60462), 32272 states have internal predecessors, (60462), 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) [2023-11-06 22:23:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32273 states to 32273 states and 60462 transitions. [2023-11-06 22:23:58,419 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32273 states and 60462 transitions. [2023-11-06 22:23:58,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:58,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:58,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:58,426 INFO L87 Difference]: Start difference. First operand 32273 states and 60462 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:59,947 INFO L93 Difference]: Finished difference Result 32257 states and 60333 transitions. [2023-11-06 22:23:59,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32257 states and 60333 transitions. [2023-11-06 22:24:00,180 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8054 [2023-11-06 22:24:00,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32257 states to 32248 states and 60324 transitions. [2023-11-06 22:24:00,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32229 [2023-11-06 22:24:00,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32229 [2023-11-06 22:24:00,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32248 states and 60324 transitions. [2023-11-06 22:24:00,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:00,449 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32248 states and 60324 transitions. [2023-11-06 22:24:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32248 states and 60324 transitions. [2023-11-06 22:24:01,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32248 to 17939. [2023-11-06 22:24:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17939 states, 17939 states have (on average 1.8707285801884164) internal successors, (33559), 17938 states have internal predecessors, (33559), 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) [2023-11-06 22:24:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17939 states to 17939 states and 33559 transitions. [2023-11-06 22:24:01,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17939 states and 33559 transitions. [2023-11-06 22:24:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:01,180 INFO L428 stractBuchiCegarLoop]: Abstraction has 17939 states and 33559 transitions. [2023-11-06 22:24:01,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:24:01,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17939 states and 33559 transitions. [2023-11-06 22:24:01,254 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:01,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:01,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:01,259 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] [2023-11-06 22:24:01,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:01,261 INFO L748 eck$LassoCheckResult]: Stem: 138381#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 138017#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 138018#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 147247#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 144068#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 144069#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 144675#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 144676#L3343 assume !(0 == getOrigin_~person#1); 145038#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 134597#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 134719#L2903 assume 0 == initPersonOnFloor_~floor#1; 139071#L2904 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 132213#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 138137#L2695 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 137091#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 142847#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 144290#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 147233#L3343-1 assume !(0 == getOrigin_~person#1); 147388#L3347-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 132368#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 138463#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 132220#L2904-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 129498#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 135760#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 143374#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 136061#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 136062#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 141402#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 141403#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 145910#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 146693#L1702 assume 0 != timeShift_~tmp~16#1; 143224#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 134604#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 133105#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 133106#L3237 assume !(1 == ~prevDir~0); 131985#L3263 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 131987#L1922-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 143618#L1926-8 [2023-11-06 22:24:01,262 INFO L750 eck$LassoCheckResult]: Loop: 143618#L1926-8 assume !false; 144615#L1927-2 assume existInLiftCallsInDirection_~i~0#1 < 5; 131332#L1928-2 assume !(0 == existInLiftCallsInDirection_~i~0#1); 131334#$Ultimate##7236 assume !(1 == existInLiftCallsInDirection_~i~0#1); 145966#$Ultimate##7240 assume !(2 == existInLiftCallsInDirection_~i~0#1); 146363#$Ultimate##7244 assume !(3 == existInLiftCallsInDirection_~i~0#1); 131013#$Ultimate##7248 assume !(4 == existInLiftCallsInDirection_~i~0#1); 131015#L1969-5 existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 143618#L1926-8 [2023-11-06 22:24:01,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:01,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1862529426, now seen corresponding path program 1 times [2023-11-06 22:24:01,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:01,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395070283] [2023-11-06 22:24:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:01,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:01,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:01,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395070283] [2023-11-06 22:24:01,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395070283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:01,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:01,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:01,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124854922] [2023-11-06 22:24:01,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:01,522 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:01,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:01,524 INFO L85 PathProgramCache]: Analyzing trace with hash -563795075, now seen corresponding path program 1 times [2023-11-06 22:24:01,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:01,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764896781] [2023-11-06 22:24:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:01,589 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:24:01,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:24:01,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:24:01,590 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:24:01,590 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:24:01,590 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:24:01,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:24:01,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration2_Loop [2023-11-06 22:24:01,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:24:01,591 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:24:01,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:01,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:24:01,662 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:24:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:01,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:01,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:24:01,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:24:01,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:24:01,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:01,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:01,704 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:01,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:24:01,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:24:01,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:24:01,750 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:24:01,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:01,759 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:24:01,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:24:01,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:24:01,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:24:01,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:24:01,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:24:01,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:24:01,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration2_Loop [2023-11-06 22:24:01,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:24:01,760 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:24:01,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:01,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:24:01,816 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:24:01,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:01,818 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:01,829 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 [2023-11-06 22:24:01,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:24:01,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:24:01,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:24:01,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:24:01,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:24:01,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:24:01,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:24:01,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:24:01,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:24:01,867 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-06 22:24:01,867 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:24:01,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:01,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:01,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:01,877 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:24:01,878 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:24:01,878 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:24:01,878 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2023-11-06 22:24:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:24:01,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:01,887 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:24:01,905 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:02,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:02,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:02,089 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:24:02,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:02,278 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 [2023-11-06 22:24:02,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17939 states and 33559 transitions. cyclomatic complexity: 15654 Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:02,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:04,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17939 states and 33559 transitions. cyclomatic complexity: 15654. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32304 states and 60407 transitions. Complement of second has 17 states. [2023-11-06 22:24:04,104 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 [2023-11-06 22:24:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33548 transitions. [2023-11-06 22:24:04,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33548 transitions. Stem has 37 letters. Loop has 8 letters. [2023-11-06 22:24:04,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:04,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33548 transitions. Stem has 45 letters. Loop has 8 letters. [2023-11-06 22:24:04,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:04,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33548 transitions. Stem has 37 letters. Loop has 16 letters. [2023-11-06 22:24:04,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:04,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32304 states and 60407 transitions. [2023-11-06 22:24:04,377 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8068 [2023-11-06 22:24:04,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32304 states to 32296 states and 60399 transitions. [2023-11-06 22:24:04,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32247 [2023-11-06 22:24:04,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32248 [2023-11-06 22:24:04,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32296 states and 60399 transitions. [2023-11-06 22:24:04,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:04,604 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32296 states and 60399 transitions. [2023-11-06 22:24:04,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32296 states and 60399 transitions. [2023-11-06 22:24:05,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32296 to 17963. [2023-11-06 22:24:05,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17963 states, 17963 states have (on average 1.8703445972276347) internal successors, (33597), 17962 states have internal predecessors, (33597), 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) [2023-11-06 22:24:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17963 states to 17963 states and 33597 transitions. [2023-11-06 22:24:05,390 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17963 states and 33597 transitions. [2023-11-06 22:24:05,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:05,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:05,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:05,391 INFO L87 Difference]: Start difference. First operand 17963 states and 33597 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:06,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:06,959 INFO L93 Difference]: Finished difference Result 35850 states and 67030 transitions. [2023-11-06 22:24:06,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35850 states and 67030 transitions. [2023-11-06 22:24:07,133 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 8156 [2023-11-06 22:24:07,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35850 states to 35850 states and 67030 transitions. [2023-11-06 22:24:07,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35774 [2023-11-06 22:24:07,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35774 [2023-11-06 22:24:07,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35850 states and 67030 transitions. [2023-11-06 22:24:07,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:07,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35850 states and 67030 transitions. [2023-11-06 22:24:07,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35850 states and 67030 transitions. [2023-11-06 22:24:07,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35850 to 17978. [2023-11-06 22:24:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17978 states, 17978 states have (on average 1.869618422516409) internal successors, (33612), 17977 states have internal predecessors, (33612), 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) [2023-11-06 22:24:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17978 states to 17978 states and 33612 transitions. [2023-11-06 22:24:07,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17978 states and 33612 transitions. [2023-11-06 22:24:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:07,949 INFO L428 stractBuchiCegarLoop]: Abstraction has 17978 states and 33612 transitions. [2023-11-06 22:24:07,949 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:24:07,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17978 states and 33612 transitions. [2023-11-06 22:24:08,010 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4078 [2023-11-06 22:24:08,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:08,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:08,012 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] [2023-11-06 22:24:08,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:08,012 INFO L748 eck$LassoCheckResult]: Stem: 242623#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 242259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 242260#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 251503#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 248318#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 248319#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 248926#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 248927#L3343 assume !(0 == getOrigin_~person#1); 249287#L3347 assume !(1 == getOrigin_~person#1); 250004#L3351 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 238838#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 251663#L2903 assume 0 == initPersonOnFloor_~floor#1; 243313#L2904 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 236454#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 242379#L2695 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 241333#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 247093#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 248540#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 251489#L3343-1 assume !(0 == getOrigin_~person#1); 251646#L3347-1 assume !(1 == getOrigin_~person#1); 236608#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 236609#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 251654#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 236461#L2904-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 233734#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 240002#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 247622#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 240303#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 240304#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 245648#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 245649#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 250159#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 250948#L1702 assume 0 != timeShift_~tmp~16#1; 247472#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 238845#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 237346#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 237347#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 246752#L1922 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 251640#L1926-2 assume !false; 250755#L1927 [2023-11-06 22:24:08,013 INFO L750 eck$LassoCheckResult]: Loop: 250755#L1927 assume existInLiftCallsInDirection_~i~0#1 < 5; 251630#L1928 assume !(0 == existInLiftCallsInDirection_~i~0#1); 250977#$Ultimate##7080 assume 1 == existInLiftCallsInDirection_~i~0#1; 249764#L1943 assume !(0 != ~floorButtons_1~0); 249765#$Ultimate##7084 assume !(2 == existInLiftCallsInDirection_~i~0#1); 250674#$Ultimate##7088 assume !(3 == existInLiftCallsInDirection_~i~0#1); 241356#$Ultimate##7092 assume !(4 == existInLiftCallsInDirection_~i~0#1); 250533#L1969-1 existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 250534#L1926-2 assume !false; 250755#L1927 [2023-11-06 22:24:08,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1342134623, now seen corresponding path program 1 times [2023-11-06 22:24:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:08,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453549918] [2023-11-06 22:24:08,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:08,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:08,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453549918] [2023-11-06 22:24:08,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453549918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:08,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:08,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:24:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063412971] [2023-11-06 22:24:08,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:08,087 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:08,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash -232944598, now seen corresponding path program 1 times [2023-11-06 22:24:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:08,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454351085] [2023-11-06 22:24:08,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:08,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:08,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:08,130 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:24:08,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:24:08,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:24:08,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:24:08,131 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:24:08,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:24:08,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:24:08,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration3_Loop [2023-11-06 22:24:08,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:24:08,131 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:24:08,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:08,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:08,166 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:24:08,166 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:24:08,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,168 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:24:08,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:24:08,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:24:08,195 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:24:08,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~floorButtons_1~0=0} Honda state: {~floorButtons_1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:24:08,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:08,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,207 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:24:08,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:24:08,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:24:08,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:08,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:24:08,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:24:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:24:08,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:24:08,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:08,303 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:24:08,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:24:08,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:24:08,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:24:08,304 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:24:08,304 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,304 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:24:08,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:24:08,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration3_Loop [2023-11-06 22:24:08,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:24:08,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:24:08,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:08,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:24:08,345 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:24:08,346 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:24:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,347 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,357 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 [2023-11-06 22:24:08,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:24:08,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:24:08,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:24:08,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:24:08,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:24:08,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:24:08,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:24:08,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:24:08,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:24:08,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,391 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,405 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 [2023-11-06 22:24:08,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:24:08,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:24:08,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:24:08,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:24:08,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:24:08,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:24:08,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:24:08,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:24:08,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:24:08,444 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:24:08,444 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:24:08,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:08,446 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:08,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:24:08,458 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:24:08,458 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:24:08,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -2*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 + 3 Supporting invariants [] [2023-11-06 22:24:08,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:24:08,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:08,463 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:24:08,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:08,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:08,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:08,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:24:08,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:08,736 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:24:08,736 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17978 states and 33612 transitions. cyclomatic complexity: 15669 Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:09,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1aacd-b489-41b0-aa9b-561a630b6daf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-06 22:24:10,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17978 states and 33612 transitions. cyclomatic complexity: 15669. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46699 states and 87301 transitions. Complement of second has 8 states. [2023-11-06 22:24:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:24:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60322 transitions. [2023-11-06 22:24:10,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60322 transitions. Stem has 39 letters. Loop has 9 letters. [2023-11-06 22:24:10,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:10,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60322 transitions. Stem has 48 letters. Loop has 9 letters. [2023-11-06 22:24:10,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:10,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60322 transitions. Stem has 39 letters. Loop has 18 letters. [2023-11-06 22:24:10,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:24:10,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46699 states and 87301 transitions. [2023-11-06 22:24:10,620 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8054 [2023-11-06 22:24:11,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46699 states to 32336 states and 60442 transitions. [2023-11-06 22:24:11,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32254 [2023-11-06 22:24:11,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32257 [2023-11-06 22:24:11,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32336 states and 60442 transitions. [2023-11-06 22:24:11,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:11,093 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32336 states and 60442 transitions. [2023-11-06 22:24:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32336 states and 60442 transitions. [2023-11-06 22:24:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32336 to 18020. [2023-11-06 22:24:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 18020 states have (on average 1.8683684794672586) internal successors, (33668), 18019 states have internal predecessors, (33668), 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) [2023-11-06 22:24:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 33668 transitions. [2023-11-06 22:24:11,433 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18020 states and 33668 transitions. [2023-11-06 22:24:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:11,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:11,434 INFO L87 Difference]: Start difference. First operand 18020 states and 33668 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:11,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:11,695 INFO L93 Difference]: Finished difference Result 17986 states and 33600 transitions. [2023-11-06 22:24:11,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17986 states and 33600 transitions. [2023-11-06 22:24:11,768 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:11,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17986 states to 17986 states and 33600 transitions. [2023-11-06 22:24:11,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17907 [2023-11-06 22:24:11,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17907 [2023-11-06 22:24:11,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17986 states and 33600 transitions. [2023-11-06 22:24:11,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:11,849 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17986 states and 33600 transitions. [2023-11-06 22:24:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17986 states and 33600 transitions. [2023-11-06 22:24:12,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17986 to 17986. [2023-11-06 22:24:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17986 states, 17986 states have (on average 1.86811964861559) internal successors, (33600), 17985 states have internal predecessors, (33600), 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) [2023-11-06 22:24:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17986 states to 17986 states and 33600 transitions. [2023-11-06 22:24:12,480 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17986 states and 33600 transitions. [2023-11-06 22:24:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:12,483 INFO L428 stractBuchiCegarLoop]: Abstraction has 17986 states and 33600 transitions. [2023-11-06 22:24:12,483 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:24:12,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17986 states and 33600 transitions. [2023-11-06 22:24:12,528 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:12,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:12,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:12,529 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] [2023-11-06 22:24:12,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:12,531 INFO L748 eck$LassoCheckResult]: Stem: 343463#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 343101#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 343102#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 352329#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 349145#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 349146#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 349753#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 349754#L3343 assume !(0 == getOrigin_~person#1); 350114#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 339806#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 339807#L2903 assume !(0 == initPersonOnFloor_~floor#1); 346204#L2930 assume !(1 == initPersonOnFloor_~floor#1); 344035#L2957 assume !(2 == initPersonOnFloor_~floor#1); 344036#L2984 assume 3 == initPersonOnFloor_~floor#1; 346064#L2985 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 337365#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 343219#L2695 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 342176#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 347923#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 349368#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 352315#L3343-1 assume !(0 == getOrigin_~person#1); 352470#L3347-1 assume !(1 == getOrigin_~person#1); 337457#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 337458#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 352495#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 337309#L2904-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 334588#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 340850#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 348451#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 341149#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 341150#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 346481#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 346482#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 350983#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 351775#L1702 assume 0 != timeShift_~tmp~16#1; 348302#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 339691#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 338195#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 338196#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 347583#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 349211#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 345213#L1992-2 [2023-11-06 22:24:12,531 INFO L750 eck$LassoCheckResult]: Loop: 345213#L1992-2 assume !false; 340641#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 334719#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 334720#L2001-2 assume !false; 340164#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 345212#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 345213#L1992-2 [2023-11-06 22:24:12,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:12,532 INFO L85 PathProgramCache]: Analyzing trace with hash 332393644, now seen corresponding path program 1 times [2023-11-06 22:24:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429106617] [2023-11-06 22:24:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:12,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:12,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:12,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429106617] [2023-11-06 22:24:12,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429106617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:12,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:12,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:24:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888328725] [2023-11-06 22:24:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:12,646 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:12,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:12,646 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 1 times [2023-11-06 22:24:12,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:12,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140234279] [2023-11-06 22:24:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:12,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:12,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:12,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:24:12,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:24:12,680 INFO L87 Difference]: Start difference. First operand 17986 states and 33600 transitions. cyclomatic complexity: 15651 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:13,524 INFO L93 Difference]: Finished difference Result 17994 states and 33607 transitions. [2023-11-06 22:24:13,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17994 states and 33607 transitions. [2023-11-06 22:24:13,598 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:13,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17994 states to 17994 states and 33607 transitions. [2023-11-06 22:24:13,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17915 [2023-11-06 22:24:13,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17915 [2023-11-06 22:24:13,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17994 states and 33607 transitions. [2023-11-06 22:24:13,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:13,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17994 states and 33607 transitions. [2023-11-06 22:24:13,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17994 states and 33607 transitions. [2023-11-06 22:24:13,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17994 to 17986. [2023-11-06 22:24:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17986 states, 17986 states have (on average 1.8677860558211943) internal successors, (33594), 17985 states have internal predecessors, (33594), 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) [2023-11-06 22:24:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17986 states to 17986 states and 33594 transitions. [2023-11-06 22:24:13,967 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17986 states and 33594 transitions. [2023-11-06 22:24:13,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:13,968 INFO L428 stractBuchiCegarLoop]: Abstraction has 17986 states and 33594 transitions. [2023-11-06 22:24:13,968 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:24:13,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17986 states and 33594 transitions. [2023-11-06 22:24:14,028 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:14,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:14,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:14,029 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] [2023-11-06 22:24:14,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:14,030 INFO L748 eck$LassoCheckResult]: Stem: 379455#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 379093#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 379094#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 388322#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 385137#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 385138#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 385746#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 385747#L3343 assume !(0 == getOrigin_~person#1); 386109#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 375801#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 375802#L2903 assume !(0 == initPersonOnFloor_~floor#1); 382196#L2930 assume !(1 == initPersonOnFloor_~floor#1); 380027#L2957 assume !(2 == initPersonOnFloor_~floor#1); 380028#L2984 assume 3 == initPersonOnFloor_~floor#1; 382056#L2985 assume !(0 == initPersonOnFloor_~person#1); 385121#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 373358#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 379212#L2695 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 378169#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 383915#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 385360#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 388308#L3343-1 assume !(0 == getOrigin_~person#1); 388466#L3347-1 assume !(1 == getOrigin_~person#1); 373450#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 373451#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 388486#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 373302#L2904-2 assume !(0 == initPersonOnFloor_~person#1); 371151#L2907-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 370581#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 376843#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 384443#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 377142#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 377143#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 382473#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 382474#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 386979#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 387769#L1702 assume 0 != timeShift_~tmp~16#1; 384294#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 375684#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 374188#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 374189#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 383575#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 385203#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 381205#L1992-2 [2023-11-06 22:24:14,030 INFO L750 eck$LassoCheckResult]: Loop: 381205#L1992-2 assume !false; 376634#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 370712#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 370713#L2001-2 assume !false; 376157#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 381204#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 381205#L1992-2 [2023-11-06 22:24:14,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash 553838192, now seen corresponding path program 1 times [2023-11-06 22:24:14,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:14,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74580236] [2023-11-06 22:24:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:14,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:14,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:14,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74580236] [2023-11-06 22:24:14,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74580236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:14,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:14,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:14,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453281990] [2023-11-06 22:24:14,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:14,126 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:14,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:14,127 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 2 times [2023-11-06 22:24:14,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:14,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771643435] [2023-11-06 22:24:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:14,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:14,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:14,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:14,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:14,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:14,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:14,161 INFO L87 Difference]: Start difference. First operand 17986 states and 33594 transitions. cyclomatic complexity: 15645 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:14,965 INFO L93 Difference]: Finished difference Result 18004 states and 33619 transitions. [2023-11-06 22:24:14,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18004 states and 33619 transitions. [2023-11-06 22:24:15,020 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:15,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18004 states to 18004 states and 33619 transitions. [2023-11-06 22:24:15,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17925 [2023-11-06 22:24:15,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17925 [2023-11-06 22:24:15,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18004 states and 33619 transitions. [2023-11-06 22:24:15,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:15,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18004 states and 33619 transitions. [2023-11-06 22:24:15,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18004 states and 33619 transitions. [2023-11-06 22:24:15,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18004 to 17990. [2023-11-06 22:24:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17990 states, 17990 states have (on average 1.8675375208449139) internal successors, (33597), 17989 states have internal predecessors, (33597), 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) [2023-11-06 22:24:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17990 states to 17990 states and 33597 transitions. [2023-11-06 22:24:15,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17990 states and 33597 transitions. [2023-11-06 22:24:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:15,399 INFO L428 stractBuchiCegarLoop]: Abstraction has 17990 states and 33597 transitions. [2023-11-06 22:24:15,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:24:15,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17990 states and 33597 transitions. [2023-11-06 22:24:15,471 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:15,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:15,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:15,476 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] [2023-11-06 22:24:15,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:15,476 INFO L748 eck$LassoCheckResult]: Stem: 415457#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 415095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 415096#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 424325#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 421139#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 421140#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 421746#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 421747#L3343 assume !(0 == getOrigin_~person#1); 422107#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 411805#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 411806#L2903 assume !(0 == initPersonOnFloor_~floor#1); 418198#L2930 assume !(1 == initPersonOnFloor_~floor#1); 416029#L2957 assume !(2 == initPersonOnFloor_~floor#1); 416030#L2984 assume 3 == initPersonOnFloor_~floor#1; 418058#L2985 assume !(0 == initPersonOnFloor_~person#1); 421123#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 409358#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 415214#L2695 assume !(0 == callOnFloor_~floorID#1); 415215#L2698 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 414170#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 419917#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 421362#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 424311#L3343-1 assume !(0 == getOrigin_~person#1); 424468#L3347-1 assume !(1 == getOrigin_~person#1); 409450#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 409451#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 424491#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 409302#L2904-2 assume !(0 == initPersonOnFloor_~person#1); 407150#L2907-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 407152#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 412844#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 420445#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 413143#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 413144#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 418475#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 418476#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 422977#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 423768#L1702 assume 0 != timeShift_~tmp~16#1; 420296#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 411688#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 410188#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 410189#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 419577#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 421205#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 417207#L1992-2 [2023-11-06 22:24:15,477 INFO L750 eck$LassoCheckResult]: Loop: 417207#L1992-2 assume !false; 412635#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 406711#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 406712#L2001-2 assume !false; 412158#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 417206#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 417207#L1992-2 [2023-11-06 22:24:15,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:15,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1251686709, now seen corresponding path program 1 times [2023-11-06 22:24:15,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:15,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440281904] [2023-11-06 22:24:15,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:15,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:15,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:15,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440281904] [2023-11-06 22:24:15,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440281904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:15,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:15,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:15,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510731698] [2023-11-06 22:24:15,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:15,606 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:15,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 3 times [2023-11-06 22:24:15,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:15,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463149730] [2023-11-06 22:24:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:15,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:15,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:15,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:15,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:15,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:15,636 INFO L87 Difference]: Start difference. First operand 17990 states and 33597 transitions. cyclomatic complexity: 15644 Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:16,259 INFO L93 Difference]: Finished difference Result 18008 states and 33620 transitions. [2023-11-06 22:24:16,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18008 states and 33620 transitions. [2023-11-06 22:24:16,315 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:16,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18008 states to 18008 states and 33620 transitions. [2023-11-06 22:24:16,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17929 [2023-11-06 22:24:16,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17929 [2023-11-06 22:24:16,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18008 states and 33620 transitions. [2023-11-06 22:24:16,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:16,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18008 states and 33620 transitions. [2023-11-06 22:24:16,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18008 states and 33620 transitions. [2023-11-06 22:24:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18008 to 17996. [2023-11-06 22:24:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17996 states, 17996 states have (on average 1.867192709490998) internal successors, (33602), 17995 states have internal predecessors, (33602), 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) [2023-11-06 22:24:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17996 states to 17996 states and 33602 transitions. [2023-11-06 22:24:16,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17996 states and 33602 transitions. [2023-11-06 22:24:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:16,593 INFO L428 stractBuchiCegarLoop]: Abstraction has 17996 states and 33602 transitions. [2023-11-06 22:24:16,594 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:24:16,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17996 states and 33602 transitions. [2023-11-06 22:24:16,639 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:16,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:16,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:16,640 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] [2023-11-06 22:24:16,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:16,641 INFO L748 eck$LassoCheckResult]: Stem: 451465#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 451103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 451104#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 460333#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 457148#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 457149#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 457755#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 457756#L3343 assume !(0 == getOrigin_~person#1); 458116#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 447812#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 447813#L2903 assume !(0 == initPersonOnFloor_~floor#1); 454207#L2930 assume !(1 == initPersonOnFloor_~floor#1); 452037#L2957 assume !(2 == initPersonOnFloor_~floor#1); 452038#L2984 assume 3 == initPersonOnFloor_~floor#1; 454067#L2985 assume !(0 == initPersonOnFloor_~person#1); 457132#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 445365#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 451225#L2695 assume !(0 == callOnFloor_~floorID#1); 451226#L2698 assume !(1 == callOnFloor_~floorID#1); 450981#L2701 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 450178#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 455926#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 457371#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 460319#L3343-1 assume !(0 == getOrigin_~person#1); 460476#L3347-1 assume !(1 == getOrigin_~person#1); 445457#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 445458#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 460496#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 445309#L2904-2 assume !(0 == initPersonOnFloor_~person#1); 443157#L2907-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 443159#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 460538#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 456663#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 449151#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 449152#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 454484#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 454485#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 458985#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 459777#L1702 assume 0 != timeShift_~tmp~16#1; 456305#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 447695#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 446195#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 446196#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 455586#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 457215#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 453215#L1992-2 [2023-11-06 22:24:16,641 INFO L750 eck$LassoCheckResult]: Loop: 453215#L1992-2 assume !false; 448643#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 442718#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 442719#L2001-2 assume !false; 448165#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 453214#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 453215#L1992-2 [2023-11-06 22:24:16,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:16,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1233284757, now seen corresponding path program 1 times [2023-11-06 22:24:16,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:16,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145053278] [2023-11-06 22:24:16,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:16,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:16,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:16,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145053278] [2023-11-06 22:24:16,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145053278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:16,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:16,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:16,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455071174] [2023-11-06 22:24:16,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:16,720 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:16,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:16,721 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 4 times [2023-11-06 22:24:16,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:16,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640845810] [2023-11-06 22:24:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:16,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:16,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:16,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:16,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:16,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:16,750 INFO L87 Difference]: Start difference. First operand 17996 states and 33602 transitions. cyclomatic complexity: 15643 Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:17,449 INFO L93 Difference]: Finished difference Result 18014 states and 33623 transitions. [2023-11-06 22:24:17,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18014 states and 33623 transitions. [2023-11-06 22:24:17,519 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:17,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18014 states to 18014 states and 33623 transitions. [2023-11-06 22:24:17,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17935 [2023-11-06 22:24:17,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17935 [2023-11-06 22:24:17,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18014 states and 33623 transitions. [2023-11-06 22:24:17,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:17,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18014 states and 33623 transitions. [2023-11-06 22:24:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18014 states and 33623 transitions. [2023-11-06 22:24:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18014 to 18004. [2023-11-06 22:24:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18004 states, 18004 states have (on average 1.8667518329260164) internal successors, (33609), 18003 states have internal predecessors, (33609), 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) [2023-11-06 22:24:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18004 states to 18004 states and 33609 transitions. [2023-11-06 22:24:17,819 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18004 states and 33609 transitions. [2023-11-06 22:24:17,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:24:17,820 INFO L428 stractBuchiCegarLoop]: Abstraction has 18004 states and 33609 transitions. [2023-11-06 22:24:17,821 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 22:24:17,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18004 states and 33609 transitions. [2023-11-06 22:24:17,874 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:17,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:17,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:17,875 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] [2023-11-06 22:24:17,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:17,875 INFO L748 eck$LassoCheckResult]: Stem: 487485#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 487123#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 487124#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 496356#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 493169#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 493170#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 493778#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 493779#L3343 assume !(0 == getOrigin_~person#1); 494140#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 483828#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 483829#L2903 assume !(0 == initPersonOnFloor_~floor#1); 490227#L2930 assume !(1 == initPersonOnFloor_~floor#1); 488057#L2957 assume !(2 == initPersonOnFloor_~floor#1); 488058#L2984 assume 3 == initPersonOnFloor_~floor#1; 490087#L2985 assume !(0 == initPersonOnFloor_~person#1); 493153#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 481385#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 487241#L2695 assume !(0 == callOnFloor_~floorID#1); 487242#L2698 assume !(1 == callOnFloor_~floorID#1); 487001#L2701 assume !(2 == callOnFloor_~floorID#1); 487002#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 486197#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 491946#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 493392#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 496342#L3343-1 assume !(0 == getOrigin_~person#1); 496498#L3347-1 assume !(1 == getOrigin_~person#1); 481478#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 481479#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 496522#L2903-1 assume 0 == initPersonOnFloor_~floor#1; 481329#L2904-2 assume !(0 == initPersonOnFloor_~person#1); 479176#L2907-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 479178#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 496566#L2695-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 493335#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 485172#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 485173#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 490504#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 490505#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 495011#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 495800#L1702 assume 0 != timeShift_~tmp~16#1; 492325#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 483713#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 482216#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 482217#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 491606#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 493234#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 489235#L1992-2 [2023-11-06 22:24:17,875 INFO L750 eck$LassoCheckResult]: Loop: 489235#L1992-2 assume !false; 484664#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 478737#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 478738#L2001-2 assume !false; 484186#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 489234#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 489235#L1992-2 [2023-11-06 22:24:17,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash -507725210, now seen corresponding path program 1 times [2023-11-06 22:24:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:17,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805655554] [2023-11-06 22:24:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:17,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805655554] [2023-11-06 22:24:17,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805655554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:17,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:17,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:24:17,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183177181] [2023-11-06 22:24:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:17,989 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:17,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 5 times [2023-11-06 22:24:17,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:17,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607650824] [2023-11-06 22:24:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:17,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:17,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:17,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:18,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:18,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:24:18,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:24:18,017 INFO L87 Difference]: Start difference. First operand 18004 states and 33609 transitions. cyclomatic complexity: 15642 Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:18,934 INFO L93 Difference]: Finished difference Result 25172 states and 47008 transitions. [2023-11-06 22:24:18,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25172 states and 47008 transitions. [2023-11-06 22:24:19,070 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 7784 [2023-11-06 22:24:19,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25172 states to 25172 states and 47008 transitions. [2023-11-06 22:24:19,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25093 [2023-11-06 22:24:19,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25093 [2023-11-06 22:24:19,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25172 states and 47008 transitions. [2023-11-06 22:24:19,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:19,188 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25172 states and 47008 transitions. [2023-11-06 22:24:19,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25172 states and 47008 transitions. [2023-11-06 22:24:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25172 to 17990. [2023-11-06 22:24:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17990 states, 17990 states have (on average 1.8667593107281824) internal successors, (33583), 17989 states have internal predecessors, (33583), 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) [2023-11-06 22:24:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17990 states to 17990 states and 33583 transitions. [2023-11-06 22:24:19,506 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17990 states and 33583 transitions. [2023-11-06 22:24:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:24:19,507 INFO L428 stractBuchiCegarLoop]: Abstraction has 17990 states and 33583 transitions. [2023-11-06 22:24:19,507 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 22:24:19,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17990 states and 33583 transitions. [2023-11-06 22:24:19,571 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:19,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:19,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:19,572 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] [2023-11-06 22:24:19,572 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:19,573 INFO L748 eck$LassoCheckResult]: Stem: 530667#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 530305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 530306#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 539535#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 536345#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 536346#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 536955#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 536956#L3343 assume !(0 == getOrigin_~person#1); 537318#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 527010#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 527011#L2903 assume !(0 == initPersonOnFloor_~floor#1); 533407#L2930 assume !(1 == initPersonOnFloor_~floor#1); 531239#L2957 assume !(2 == initPersonOnFloor_~floor#1); 531240#L2984 assume 3 == initPersonOnFloor_~floor#1; 533267#L2985 assume !(0 == initPersonOnFloor_~person#1); 536329#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 524568#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 530423#L2695 assume !(0 == callOnFloor_~floorID#1); 530424#L2698 assume !(1 == callOnFloor_~floorID#1); 530183#L2701 assume !(2 == callOnFloor_~floorID#1); 530184#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 529379#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 535126#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 536568#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 539521#L3343-1 assume !(0 == getOrigin_~person#1); 539677#L3347-1 assume !(1 == getOrigin_~person#1); 524661#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 524662#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 530749#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 530750#L2930-1 assume 1 == initPersonOnFloor_~floor#1; 539560#L2931-2 assume !(0 == initPersonOnFloor_~person#1); 539266#L2934-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 532592#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 539698#L2695-2 assume !(0 == callOnFloor_~floorID#1); 539695#L2698-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 536511#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 528354#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 528355#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 533684#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 533685#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 538189#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 538980#L1702 assume 0 != timeShift_~tmp~16#1; 535505#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 526895#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 525398#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 525399#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 534787#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 536410#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 532415#L1992-2 [2023-11-06 22:24:19,573 INFO L750 eck$LassoCheckResult]: Loop: 532415#L1992-2 assume !false; 527846#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 521926#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 521927#L2001-2 assume !false; 527368#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 532414#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 532415#L1992-2 [2023-11-06 22:24:19,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1319509436, now seen corresponding path program 1 times [2023-11-06 22:24:19,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:19,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171711014] [2023-11-06 22:24:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:19,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:19,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:19,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171711014] [2023-11-06 22:24:19,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171711014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:19,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:19,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:24:19,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479093992] [2023-11-06 22:24:19,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:19,705 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:19,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:19,705 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 6 times [2023-11-06 22:24:19,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:19,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601430849] [2023-11-06 22:24:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:19,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:19,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:19,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:19,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:19,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:24:19,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:24:19,736 INFO L87 Difference]: Start difference. First operand 17990 states and 33583 transitions. cyclomatic complexity: 15630 Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:20,580 INFO L93 Difference]: Finished difference Result 25155 states and 46976 transitions. [2023-11-06 22:24:20,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25155 states and 46976 transitions. [2023-11-06 22:24:20,670 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 7784 [2023-11-06 22:24:20,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25155 states to 25155 states and 46976 transitions. [2023-11-06 22:24:20,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25076 [2023-11-06 22:24:20,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25076 [2023-11-06 22:24:20,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25155 states and 46976 transitions. [2023-11-06 22:24:20,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:20,761 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25155 states and 46976 transitions. [2023-11-06 22:24:20,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states and 46976 transitions. [2023-11-06 22:24:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 17984. [2023-11-06 22:24:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17984 states, 17984 states have (on average 1.866659252669039) internal successors, (33570), 17983 states have internal predecessors, (33570), 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) [2023-11-06 22:24:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17984 states to 17984 states and 33570 transitions. [2023-11-06 22:24:21,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17984 states and 33570 transitions. [2023-11-06 22:24:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:24:21,045 INFO L428 stractBuchiCegarLoop]: Abstraction has 17984 states and 33570 transitions. [2023-11-06 22:24:21,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-06 22:24:21,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17984 states and 33570 transitions. [2023-11-06 22:24:21,098 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:21,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:21,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:21,099 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] [2023-11-06 22:24:21,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:21,099 INFO L748 eck$LassoCheckResult]: Stem: 573825#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 573463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 573464#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 582689#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 579499#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 579500#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 580108#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 580109#L3343 assume !(0 == getOrigin_~person#1); 580470#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 570168#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 570169#L2903 assume !(0 == initPersonOnFloor_~floor#1); 576561#L2930 assume !(1 == initPersonOnFloor_~floor#1); 574397#L2957 assume !(2 == initPersonOnFloor_~floor#1); 574398#L2984 assume 3 == initPersonOnFloor_~floor#1; 576421#L2985 assume !(0 == initPersonOnFloor_~person#1); 579483#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 567726#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 573581#L2695 assume !(0 == callOnFloor_~floorID#1); 573582#L2698 assume !(1 == callOnFloor_~floorID#1); 573341#L2701 assume !(2 == callOnFloor_~floorID#1); 573342#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 572537#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 578280#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 579722#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 582675#L3343-1 assume !(0 == getOrigin_~person#1); 582830#L3347-1 assume !(1 == getOrigin_~person#1); 567819#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 567820#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 573907#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 573908#L2930-1 assume !(1 == initPersonOnFloor_~floor#1); 579868#L2957-1 assume 2 == initPersonOnFloor_~floor#1; 570597#L2958-2 assume !(0 == initPersonOnFloor_~person#1); 564949#L2961-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 564950#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 582840#L2695-2 assume !(0 == callOnFloor_~floorID#1); 582839#L2698-2 assume !(1 == callOnFloor_~floorID#1); 582838#L2701-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 579665#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 571512#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 571513#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 576838#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 576839#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 581340#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 582134#L1702 assume 0 != timeShift_~tmp~16#1; 578659#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 570053#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 568556#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 568557#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 577941#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 579564#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 575573#L1992-2 [2023-11-06 22:24:21,099 INFO L750 eck$LassoCheckResult]: Loop: 575573#L1992-2 assume !false; 571004#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 565084#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 565085#L2001-2 assume !false; 570526#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 575572#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 575573#L1992-2 [2023-11-06 22:24:21,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:21,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1479862237, now seen corresponding path program 1 times [2023-11-06 22:24:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950464006] [2023-11-06 22:24:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:21,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:21,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950464006] [2023-11-06 22:24:21,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950464006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:21,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:21,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:21,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977621507] [2023-11-06 22:24:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:21,344 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:21,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:21,345 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 7 times [2023-11-06 22:24:21,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:21,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127685219] [2023-11-06 22:24:21,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:21,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:21,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:21,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:21,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:21,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:21,381 INFO L87 Difference]: Start difference. First operand 17984 states and 33570 transitions. cyclomatic complexity: 15623 Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:21,886 INFO L93 Difference]: Finished difference Result 17993 states and 33573 transitions. [2023-11-06 22:24:21,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17993 states and 33573 transitions. [2023-11-06 22:24:21,948 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:21,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17993 states to 17993 states and 33573 transitions. [2023-11-06 22:24:21,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17914 [2023-11-06 22:24:22,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17914 [2023-11-06 22:24:22,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17993 states and 33573 transitions. [2023-11-06 22:24:22,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:22,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17993 states and 33573 transitions. [2023-11-06 22:24:22,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17993 states and 33573 transitions. [2023-11-06 22:24:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17993 to 17984. [2023-11-06 22:24:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17984 states, 17984 states have (on average 1.866214412811388) internal successors, (33562), 17983 states have internal predecessors, (33562), 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) [2023-11-06 22:24:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17984 states to 17984 states and 33562 transitions. [2023-11-06 22:24:22,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17984 states and 33562 transitions. [2023-11-06 22:24:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:22,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 17984 states and 33562 transitions. [2023-11-06 22:24:22,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-06 22:24:22,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17984 states and 33562 transitions. [2023-11-06 22:24:22,291 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2023-11-06 22:24:22,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:22,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:22,292 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] [2023-11-06 22:24:22,292 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:22,292 INFO L748 eck$LassoCheckResult]: Stem: 609808#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 609446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 609447#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 618674#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 615484#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 615485#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 616093#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 616094#L3343 assume !(0 == getOrigin_~person#1); 616457#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 606155#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 606156#L2903 assume !(0 == initPersonOnFloor_~floor#1); 612546#L2930 assume !(1 == initPersonOnFloor_~floor#1); 610381#L2957 assume !(2 == initPersonOnFloor_~floor#1); 610382#L2984 assume 3 == initPersonOnFloor_~floor#1; 612406#L2985 assume !(0 == initPersonOnFloor_~person#1); 615468#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 603709#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 609565#L2695 assume !(0 == callOnFloor_~floorID#1); 609566#L2698 assume !(1 == callOnFloor_~floorID#1); 609324#L2701 assume !(2 == callOnFloor_~floorID#1); 609325#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 608521#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 614265#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 615708#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 618660#L3343-1 assume !(0 == getOrigin_~person#1); 618814#L3347-1 assume !(1 == getOrigin_~person#1); 603802#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 603803#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 609890#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 609891#L2930-1 assume !(1 == initPersonOnFloor_~floor#1); 615853#L2957-1 assume 2 == initPersonOnFloor_~floor#1; 606580#L2958-2 assume !(0 == initPersonOnFloor_~person#1); 600936#L2961-2 assume !(1 == initPersonOnFloor_~person#1); 600937#L2964-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 610252#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 618825#L2695-2 assume !(0 == callOnFloor_~floorID#1); 618824#L2698-2 assume !(1 == callOnFloor_~floorID#1); 618823#L2701-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 615650#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 607494#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 607495#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 612823#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 612824#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 617327#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 618120#L1702 assume 0 != timeShift_~tmp~16#1; 614644#L1703 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 606038#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 604539#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 604540#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 613926#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 615550#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 611558#L1992-2 [2023-11-06 22:24:22,292 INFO L750 eck$LassoCheckResult]: Loop: 611558#L1992-2 assume !false; 606986#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 601067#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 601068#L2001-2 assume !false; 606508#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 611557#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 611558#L1992-2 [2023-11-06 22:24:22,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1525038236, now seen corresponding path program 1 times [2023-11-06 22:24:22,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:22,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642512962] [2023-11-06 22:24:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:22,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:22,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:22,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642512962] [2023-11-06 22:24:22,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642512962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:22,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:22,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:22,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227994215] [2023-11-06 22:24:22,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:22,439 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:22,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:22,439 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 8 times [2023-11-06 22:24:22,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:22,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422026857] [2023-11-06 22:24:22,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:22,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:22,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:22,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:22,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:22,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:22,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:22,472 INFO L87 Difference]: Start difference. First operand 17984 states and 33562 transitions. cyclomatic complexity: 15615 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:23,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:23,756 INFO L93 Difference]: Finished difference Result 33980 states and 63534 transitions. [2023-11-06 22:24:23,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33980 states and 63534 transitions. [2023-11-06 22:24:23,891 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7116 [2023-11-06 22:24:23,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33980 states to 33980 states and 63534 transitions. [2023-11-06 22:24:23,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33822 [2023-11-06 22:24:24,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33822 [2023-11-06 22:24:24,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33980 states and 63534 transitions. [2023-11-06 22:24:24,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:24,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33980 states and 63534 transitions. [2023-11-06 22:24:24,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33980 states and 63534 transitions. [2023-11-06 22:24:24,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33980 to 28968. [2023-11-06 22:24:24,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28968 states, 28968 states have (on average 1.8657138911902789) internal successors, (54046), 28967 states have internal predecessors, (54046), 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) [2023-11-06 22:24:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28968 states to 28968 states and 54046 transitions. [2023-11-06 22:24:24,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28968 states and 54046 transitions. [2023-11-06 22:24:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:24,819 INFO L428 stractBuchiCegarLoop]: Abstraction has 28968 states and 54046 transitions. [2023-11-06 22:24:24,819 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-06 22:24:24,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28968 states and 54046 transitions. [2023-11-06 22:24:24,897 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7116 [2023-11-06 22:24:24,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:24,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:24,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:24,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:24,899 INFO L748 eck$LassoCheckResult]: Stem: 661815#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 661445#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 661446#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 671028#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 667588#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 667589#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 668216#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 668217#L3343 assume !(0 == getOrigin_~person#1); 668597#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 658128#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 658129#L2903 assume !(0 == initPersonOnFloor_~floor#1); 664577#L2930 assume !(1 == initPersonOnFloor_~floor#1); 662393#L2957 assume !(2 == initPersonOnFloor_~floor#1); 662394#L2984 assume 3 == initPersonOnFloor_~floor#1; 664436#L2985 assume !(0 == initPersonOnFloor_~person#1); 667572#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 655680#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 661566#L2695 assume !(0 == callOnFloor_~floorID#1); 661567#L2698 assume !(1 == callOnFloor_~floorID#1); 661323#L2701 assume !(2 == callOnFloor_~floorID#1); 661324#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 660512#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 666339#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 667814#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 671009#L3343-1 assume !(0 == getOrigin_~person#1); 671212#L3347-1 assume !(1 == getOrigin_~person#1); 655773#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 655774#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 661898#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 661899#L2930-1 assume !(1 == initPersonOnFloor_~floor#1); 667967#L2957-1 assume 2 == initPersonOnFloor_~floor#1; 658559#L2958-2 assume !(0 == initPersonOnFloor_~person#1); 652903#L2961-2 assume !(1 == initPersonOnFloor_~person#1); 652904#L2964-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 662260#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 671240#L2695-2 assume !(0 == callOnFloor_~floorID#1); 671239#L2698-2 assume !(1 == callOnFloor_~floorID#1); 671238#L2701-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 667757#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 659479#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 659480#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 664861#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 664862#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 669502#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 670370#L1702 assume !(0 != timeShift_~tmp~16#1);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~15#1;havoc timeShift__wrappee__executivefloor_~tmp___0~7#1;havoc timeShift__wrappee__executivefloor_~tmp___1~3#1;havoc timeShift__wrappee__executivefloor_~tmp___2~3#1;havoc timeShift__wrappee__executivefloor_~tmp___3~3#1;havoc timeShift__wrappee__executivefloor_~tmp___4~2#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~17#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 668785#L2632-65 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 657273#isFloorCalling_returnLabel#66 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 657977#isExecutiveFloorCalling_returnLabel#4 stopRequestedAtCurrentFloor_#t~ret59#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1; 660118#L1417-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 660119#getCurrentFloorID_returnLabel#6 stopRequestedAtCurrentFloor_#t~ret60#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret60#1;havoc stopRequestedAtCurrentFloor_#t~ret60#1; 667618#L1421-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~5#1);stopRequestedAtCurrentFloor_~retValue_acc~17#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#1; 666415#stopRequestedAtCurrentFloor_returnLabel#2 timeShift__wrappee__executivefloor_#t~ret75#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret75#1;havoc timeShift__wrappee__executivefloor_#t~ret75#1; 666531#L1569-2 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 664493#L1660-3 assume !(1 == ~doorState~0); 664494#L1660-5 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#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~13#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~2#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 656988#L2632-68 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 656989#isFloorCalling_returnLabel#69 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 664954#isExecutiveFloorCalling_returnLabel#5 stopRequestedInDirection_#t~ret50#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~2#1 := stopRequestedInDirection_#t~ret50#1;havoc stopRequestedInDirection_#t~ret50#1; 667117#L1272-2 assume 0 != stopRequestedInDirection_~tmp___0~2#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 663296#getCurrentFloorID_returnLabel#9 stopRequestedInDirection_#t~ret51#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~6#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~13#1 := (if stopRequestedInDirection_~__cil_tmp8~6#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 655411#stopRequestedInDirection_returnLabel#3 timeShift__wrappee__executivefloor_#t~ret82#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret82#1;havoc timeShift__wrappee__executivefloor_#t~ret82#1; 655412#L1668-2 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret53#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; 667662#L1329-3 assume !(1 == ~currentHeading~0); 659871#L1339-9 assume !(0 == ~currentFloorID~0); 659872#L1339-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 664573#L1345-7 havoc continueInDirection_#t~ret53#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 666209#L1677-5 havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 678090#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 678083#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 678084#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 678676#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 678733#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 678731#L1992-2 [2023-11-06 22:24:24,899 INFO L750 eck$LassoCheckResult]: Loop: 678731#L1992-2 assume !false; 678730#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 678729#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 678728#L2001-2 assume !false; 678725#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 678726#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 678731#L1992-2 [2023-11-06 22:24:24,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash 401192103, now seen corresponding path program 1 times [2023-11-06 22:24:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:24,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485793264] [2023-11-06 22:24:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:25,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485793264] [2023-11-06 22:24:25,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485793264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:25,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:25,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:24:25,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949494677] [2023-11-06 22:24:25,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:25,089 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:25,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 9 times [2023-11-06 22:24:25,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:25,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581017473] [2023-11-06 22:24:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:25,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:25,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:25,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:24:25,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:24:25,127 INFO L87 Difference]: Start difference. First operand 28968 states and 54046 transitions. cyclomatic complexity: 25152 Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:27,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:27,254 INFO L93 Difference]: Finished difference Result 48333 states and 88940 transitions. [2023-11-06 22:24:27,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48333 states and 88940 transitions. [2023-11-06 22:24:27,469 INFO L131 ngComponentsAnalysis]: Automaton has 332 accepting balls. 17418 [2023-11-06 22:24:27,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48333 states to 48333 states and 88940 transitions. [2023-11-06 22:24:27,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48096 [2023-11-06 22:24:27,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48096 [2023-11-06 22:24:27,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48333 states and 88940 transitions. [2023-11-06 22:24:27,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:27,665 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48333 states and 88940 transitions. [2023-11-06 22:24:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48333 states and 88940 transitions. [2023-11-06 22:24:28,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48333 to 28256. [2023-11-06 22:24:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28256 states, 28256 states have (on average 1.8498725934314835) internal successors, (52270), 28255 states have internal predecessors, (52270), 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) [2023-11-06 22:24:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28256 states to 28256 states and 52270 transitions. [2023-11-06 22:24:28,525 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28256 states and 52270 transitions. [2023-11-06 22:24:28,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:24:28,526 INFO L428 stractBuchiCegarLoop]: Abstraction has 28256 states and 52270 transitions. [2023-11-06 22:24:28,526 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-06 22:24:28,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28256 states and 52270 transitions. [2023-11-06 22:24:28,603 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8494 [2023-11-06 22:24:28,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:28,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:28,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:28,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:28,605 INFO L748 eck$LassoCheckResult]: Stem: 738458#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 738111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 738112#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 747641#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 743986#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 743987#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 744612#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 744613#L3343 assume !(0 == getOrigin_~person#1); 744986#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 735050#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 735051#L2903 assume !(0 == initPersonOnFloor_~floor#1); 741086#L2930 assume !(1 == initPersonOnFloor_~floor#1); 739002#L2957 assume !(2 == initPersonOnFloor_~floor#1); 739003#L2984 assume 3 == initPersonOnFloor_~floor#1; 740953#L2985 assume !(0 == initPersonOnFloor_~person#1); 743969#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 732794#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 738218#L2695 assume !(0 == callOnFloor_~floorID#1); 738219#L2698 assume !(1 == callOnFloor_~floorID#1); 737993#L2701 assume !(2 == callOnFloor_~floorID#1); 737994#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 737246#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 742760#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 744218#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 747623#L3343-1 assume !(0 == getOrigin_~person#1); 747954#L3347-1 assume !(1 == getOrigin_~person#1); 732880#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 732881#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 738538#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 738539#L2930-1 assume !(1 == initPersonOnFloor_~floor#1); 744364#L2957-1 assume 2 == initPersonOnFloor_~floor#1; 735447#L2958-2 assume !(0 == initPersonOnFloor_~person#1); 730231#L2961-2 assume !(1 == initPersonOnFloor_~person#1); 730232#L2964-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 738877#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 748209#L2695-2 assume !(0 == callOnFloor_~floorID#1); 748208#L2698-2 assume !(1 == callOnFloor_~floorID#1); 748207#L2701-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 744162#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 736298#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 736299#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 741336#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 741337#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 745937#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 746887#L1702 assume 0 != timeShift_~tmp~16#1; 743158#L1703 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~15#1;havoc timeShift__wrappee__executivefloor_~tmp___0~7#1;havoc timeShift__wrappee__executivefloor_~tmp___1~3#1;havoc timeShift__wrappee__executivefloor_~tmp___2~3#1;havoc timeShift__wrappee__executivefloor_~tmp___3~3#1;havoc timeShift__wrappee__executivefloor_~tmp___4~2#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~17#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 743159#L2632 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 732731#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 741308#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret59#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1; 742869#L1417 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 736418#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret60#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret60#1;havoc stopRequestedAtCurrentFloor_#t~ret60#1; 730809#L1421 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~5#1);stopRequestedAtCurrentFloor_~retValue_acc~17#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#1; 730673#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret75#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret75#1;havoc timeShift__wrappee__executivefloor_#t~ret75#1; 730674#L1569 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 747078#L1660 assume 1 == ~doorState~0;~doorState~0 := 0; 746453#L1660-2 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~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#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~13#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~2#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 746454#L2632-3 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 731873#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 745412#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret50#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~2#1 := stopRequestedInDirection_#t~ret50#1;havoc stopRequestedInDirection_#t~ret50#1; 747017#L1272 assume 0 != stopRequestedInDirection_~tmp___0~2#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 747889#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret51#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~6#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~13#1 := (if stopRequestedInDirection_~__cil_tmp8~6#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 744678#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret82#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret82#1;havoc timeShift__wrappee__executivefloor_#t~ret82#1; 737969#L1668 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret53#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; 737971#L1329 assume !(1 == ~currentHeading~0); 732347#L1339 assume !(0 == ~currentFloorID~0); 732348#L1339-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 733960#L1345-1 havoc continueInDirection_#t~ret53#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 743129#L1677-2 havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 748051#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 748044#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 748045#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 748050#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 748175#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 748176#L1992-2 [2023-11-06 22:24:28,606 INFO L750 eck$LassoCheckResult]: Loop: 748176#L1992-2 assume !false; 748173#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 748174#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 748186#L2001-2 assume !false; 748181#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 748182#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 748176#L1992-2 [2023-11-06 22:24:28,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:28,606 INFO L85 PathProgramCache]: Analyzing trace with hash 886367810, now seen corresponding path program 1 times [2023-11-06 22:24:28,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:28,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425430665] [2023-11-06 22:24:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:28,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:28,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:28,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425430665] [2023-11-06 22:24:28,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425430665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:28,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:28,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:24:28,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459750617] [2023-11-06 22:24:28,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:28,717 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:28,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:28,718 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 10 times [2023-11-06 22:24:28,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:28,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806309669] [2023-11-06 22:24:28,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:28,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:28,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:28,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:28,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:28,757 INFO L87 Difference]: Start difference. First operand 28256 states and 52270 transitions. cyclomatic complexity: 24148 Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:38,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:38,361 INFO L93 Difference]: Finished difference Result 29086 states and 51845 transitions. [2023-11-06 22:24:38,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29086 states and 51845 transitions. [2023-11-06 22:24:38,483 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8714 [2023-11-06 22:24:38,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29086 states to 29086 states and 51845 transitions. [2023-11-06 22:24:38,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28849 [2023-11-06 22:24:38,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28849 [2023-11-06 22:24:38,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29086 states and 51845 transitions. [2023-11-06 22:24:38,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:24:38,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29086 states and 51845 transitions. [2023-11-06 22:24:38,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29086 states and 51845 transitions. [2023-11-06 22:24:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29086 to 28256. [2023-11-06 22:24:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28256 states, 28256 states have (on average 1.8054572480181201) internal successors, (51015), 28255 states have internal predecessors, (51015), 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) [2023-11-06 22:24:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28256 states to 28256 states and 51015 transitions. [2023-11-06 22:24:39,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28256 states and 51015 transitions. [2023-11-06 22:24:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:39,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 28256 states and 51015 transitions. [2023-11-06 22:24:39,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-06 22:24:39,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28256 states and 51015 transitions. [2023-11-06 22:24:39,591 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8494 [2023-11-06 22:24:39,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:39,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:39,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:39,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:39,593 INFO L748 eck$LassoCheckResult]: Stem: 795802#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 795449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 795450#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 805354#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~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 801462#valid_product_returnLabel#1 main_#t~ret129#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 801463#L2436 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 802134#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~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 802135#L3343 assume !(0 == getOrigin_~person#1); 802539#L3347 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 792351#getOrigin_returnLabel#1 aliceCall_#t~ret118#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 792352#L2903 assume !(0 == initPersonOnFloor_~floor#1); 798464#L2930 assume !(1 == initPersonOnFloor_~floor#1); 796354#L2957 assume !(2 == initPersonOnFloor_~floor#1); 796355#L2984 assume 3 == initPersonOnFloor_~floor#1; 798331#L2985 assume !(0 == initPersonOnFloor_~person#1); 801443#L2988 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 790122#L3011-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 795564#L2695 assume !(0 == callOnFloor_~floorID#1); 795565#L2698 assume !(1 == callOnFloor_~floorID#1); 795327#L2701 assume !(2 == callOnFloor_~floorID#1); 795328#L2704 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 794574#L2707-2 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 800195#initPersonOnFloor_returnLabel#1 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 801706#aliceCall_returnLabel#1 havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 805334#L3343-1 assume !(0 == getOrigin_~person#1); 805743#L3347-1 assume !(1 == getOrigin_~person#1); 790207#L3351-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 790208#getOrigin_returnLabel#2 angelinaCall_#t~ret119#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 795881#L2903-1 assume !(0 == initPersonOnFloor_~floor#1); 795882#L2930-1 assume !(1 == initPersonOnFloor_~floor#1); 801870#L2957-1 assume 2 == initPersonOnFloor_~floor#1; 792745#L2958-2 assume !(0 == initPersonOnFloor_~person#1); 787579#L2961-2 assume !(1 == initPersonOnFloor_~person#1); 787580#L2964-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 796232#L3011-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 806015#L2695-2 assume !(0 == callOnFloor_~floorID#1); 806014#L2698-2 assume !(1 == callOnFloor_~floorID#1); 806013#L2701-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 801648#L2707-5 havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 793610#initPersonOnFloor_returnLabel#2 havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 793611#angelinaCall_returnLabel#1 havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 798731#getCurrentHeading_returnLabel#1 __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 798732#__utac_acc__Specification13_spec__1_returnLabel#1 havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 803532#areDoorsOpen_returnLabel#1 timeShift_#t~ret86#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 804534#L1702 assume 0 != timeShift_~tmp~16#1; 800593#L1703 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__executivefloor } true;havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;havoc timeShift__wrappee__executivefloor_~tmp~15#1;havoc timeShift__wrappee__executivefloor_~tmp___0~7#1;havoc timeShift__wrappee__executivefloor_~tmp___1~3#1;havoc timeShift__wrappee__executivefloor_~tmp___2~3#1;havoc timeShift__wrappee__executivefloor_~tmp___3~3#1;havoc timeShift__wrappee__executivefloor_~tmp___4~2#1;havoc timeShift__wrappee__executivefloor_~tmp___5~2#1;havoc timeShift__wrappee__executivefloor_~tmp___6~2#1;havoc timeShift__wrappee__executivefloor_~tmp___7~2#1;havoc timeShift__wrappee__executivefloor_~tmp___8~2#1;havoc timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~17#1;havoc stopRequestedAtCurrentFloor_~tmp~13#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 800594#L2632 assume !(0 == isFloorCalling_~floorID#1); 790059#L2636 assume !(1 == isFloorCalling_~floorID#1); 790060#L2640 assume !(2 == isFloorCalling_~floorID#1); 801382#L2644 assume !(3 == isFloorCalling_~floorID#1); 800025#L2648 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 798700#isFloorCalling_returnLabel#1 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 798701#isExecutiveFloorCalling_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret59#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~13#1 := stopRequestedAtCurrentFloor_#t~ret59#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1; 800301#L1417 assume 0 != stopRequestedAtCurrentFloor_~tmp~13#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 793732#getCurrentFloorID_returnLabel#1 stopRequestedAtCurrentFloor_#t~ret60#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret60#1;havoc stopRequestedAtCurrentFloor_#t~ret60#1; 788155#L1421 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~5#1);stopRequestedAtCurrentFloor_~retValue_acc~17#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#1; 788019#stopRequestedAtCurrentFloor_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret75#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret59#1, stopRequestedAtCurrentFloor_#t~ret60#1, stopRequestedAtCurrentFloor_#t~ret61#1, stopRequestedAtCurrentFloor_#t~ret62#1, stopRequestedAtCurrentFloor_~retValue_acc~17#1, stopRequestedAtCurrentFloor_~tmp~13#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__executivefloor_~tmp___9~2#1 := timeShift__wrappee__executivefloor_#t~ret75#1;havoc timeShift__wrappee__executivefloor_#t~ret75#1; 788020#L1569 assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1); 804738#L1660 assume 1 == ~doorState~0;~doorState~0 := 0; 804055#L1660-2 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~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#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~13#1;havoc stopRequestedInDirection_~tmp~9#1;havoc stopRequestedInDirection_~tmp___0~2#1;havoc stopRequestedInDirection_~__cil_tmp7~5#1;havoc stopRequestedInDirection_~__cil_tmp8~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 804056#L2632-3 assume !(0 == isFloorCalling_~floorID#1); 803433#L2636-3 assume !(1 == isFloorCalling_~floorID#1); 803434#L2640-3 assume !(2 == isFloorCalling_~floorID#1); 804642#L2644-3 assume !(3 == isFloorCalling_~floorID#1); 789209#L2648-3 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 789210#isFloorCalling_returnLabel#4 isExecutiveFloorCalling_#t~ret115#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret115#1;havoc isExecutiveFloorCalling_#t~ret115#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 802981#isExecutiveFloorCalling_returnLabel#2 stopRequestedInDirection_#t~ret50#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret115#1, isExecutiveFloorCalling_~retValue_acc~20#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~2#1 := stopRequestedInDirection_#t~ret50#1;havoc stopRequestedInDirection_#t~ret50#1; 804669#L1272 assume 0 != stopRequestedInDirection_~tmp___0~2#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 805639#getCurrentFloorID_returnLabel#4 stopRequestedInDirection_#t~ret51#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~9#1 := stopRequestedInDirection_#t~ret51#1;havoc stopRequestedInDirection_#t~ret51#1;stopRequestedInDirection_~__cil_tmp7~5#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~6#1 := (if stopRequestedInDirection_~tmp~9#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~13#1 := (if stopRequestedInDirection_~__cil_tmp8~6#1 == stopRequestedInDirection_~__cil_tmp7~5#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 802214#stopRequestedInDirection_returnLabel#1 timeShift__wrappee__executivefloor_#t~ret82#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret50#1, stopRequestedInDirection_#t~ret51#1, stopRequestedInDirection_#t~ret52#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~9#1, stopRequestedInDirection_~tmp___0~2#1, stopRequestedInDirection_~__cil_tmp7~5#1, stopRequestedInDirection_~__cil_tmp8~6#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__executivefloor_~tmp___8~2#1 := timeShift__wrappee__executivefloor_#t~ret82#1;havoc timeShift__wrappee__executivefloor_#t~ret82#1; 795303#L1668 assume 0 != timeShift__wrappee__executivefloor_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret53#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; 795305#L1329 assume !(1 == ~currentHeading~0); 789679#L1339 assume !(0 == ~currentFloorID~0); 789680#L1339-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 791274#L1345-1 havoc continueInDirection_#t~ret53#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 800563#L1677-2 havoc timeShift__wrappee__executivefloor_#t~ret75#1, timeShift__wrappee__executivefloor_#t~ret76#1, timeShift__wrappee__executivefloor_#t~ret77#1, timeShift__wrappee__executivefloor_#t~ret78#1, timeShift__wrappee__executivefloor_#t~ret79#1, timeShift__wrappee__executivefloor_#t~ret80#1, timeShift__wrappee__executivefloor_#t~ret81#1, timeShift__wrappee__executivefloor_#t~ret82#1, timeShift__wrappee__executivefloor_#t~ret83#1, timeShift__wrappee__executivefloor_#t~ret84#1, timeShift__wrappee__executivefloor_#t~ret85#1, timeShift__wrappee__executivefloor_~tmp~15#1, timeShift__wrappee__executivefloor_~tmp___0~7#1, timeShift__wrappee__executivefloor_~tmp___1~3#1, timeShift__wrappee__executivefloor_~tmp___2~3#1, timeShift__wrappee__executivefloor_~tmp___3~3#1, timeShift__wrappee__executivefloor_~tmp___4~2#1, timeShift__wrappee__executivefloor_~tmp___5~2#1, timeShift__wrappee__executivefloor_~tmp___6~2#1, timeShift__wrappee__executivefloor_~tmp___7~2#1, timeShift__wrappee__executivefloor_~tmp___8~2#1, timeShift__wrappee__executivefloor_~tmp___9~2#1;assume { :end_inline_timeShift__wrappee__executivefloor } true; 805857#L1702-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 805850#L3236 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 805851#L3237 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~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 805856#L1922 assume !(1 == existInLiftCallsInDirection_~d#1); 806004#L1988 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 806005#L1992-2 [2023-11-06 22:24:39,594 INFO L750 eck$LassoCheckResult]: Loop: 806005#L1992-2 assume !false; 806002#L1993 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 806003#L1994 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 806012#L2001-2 assume !false; 805942#L2002 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 805943#L2060 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 806005#L1992-2 [2023-11-06 22:24:39,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1301382358, now seen corresponding path program 1 times [2023-11-06 22:24:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:39,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822467825] [2023-11-06 22:24:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:39,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:39,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:39,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822467825] [2023-11-06 22:24:39,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822467825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:39,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:39,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:24:39,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266233960] [2023-11-06 22:24:39,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:39,780 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:24:39,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 11 times [2023-11-06 22:24:39,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:39,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855415421] [2023-11-06 22:24:39,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:39,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:39,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:39,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:39,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:39,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:39,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:39,818 INFO L87 Difference]: Start difference. First operand 28256 states and 51015 transitions. cyclomatic complexity: 22893 Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)