./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:27:47,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:27:47,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:27:47,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:27:47,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:27:47,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:27:47,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:27:47,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:27:47,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:27:47,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:27:47,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:27:47,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:27:47,238 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:27:47,238 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:27:47,240 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:27:47,240 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:27:47,240 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:27:47,241 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:27:47,241 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:27:47,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:27:47,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:27:47,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:27:47,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:27:47,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:27:47,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:27:47,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:27:47,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:27:47,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:27:47,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:27:47,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:27:47,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:27:47,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:27:47,248 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:27:47,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:27:47,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:27:47,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:27:47,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:27:47,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:27:47,251 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:27:47,251 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 [2024-11-12 21:27:47,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:27:47,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:27:47,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:27:47,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:27:47,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:27:47,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2024-11-12 21:27:48,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:27:49,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:27:49,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2024-11-12 21:27:49,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb2eee5e/9f900c917e8e42c789cc00208fa111d4/FLAG28b83a78f [2024-11-12 21:27:49,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb2eee5e/9f900c917e8e42c789cc00208fa111d4 [2024-11-12 21:27:49,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:27:49,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:27:49,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:27:49,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:27:49,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:27:49,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:27:49" (1/1) ... [2024-11-12 21:27:49,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d7a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:49, skipping insertion in model container [2024-11-12 21:27:49,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:27:49" (1/1) ... [2024-11-12 21:27:49,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:27:49,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:27:49,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:27:49,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-12 21:27:49,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] [2024-11-12 21:27:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [434] [2024-11-12 21:27:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2095] [2024-11-12 21:27:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2449] [2024-11-12 21:27:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2458] [2024-11-12 21:27:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2549] [2024-11-12 21:27:49,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [3210] [2024-11-12 21:27:49,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3299] [2024-11-12 21:27:49,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3417] [2024-11-12 21:27:50,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:27:50,068 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:27:50,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50 WrapperNode [2024-11-12 21:27:50,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:27:50,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:27:50,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:27:50,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:27:50,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:50,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:50,948 INFO L138 Inliner]: procedures = 96, calls = 353, calls flagged for inlining = 205, calls inlined = 1945, statements flattened = 67293 [2024-11-12 21:27:50,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:27:50,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:27:50,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:27:50,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:27:50,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:50,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:51,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:51,538 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-12 21:27:51,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:51,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:51,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:52,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:52,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:52,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:52,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:27:52,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:27:52,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:27:52,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:27:52,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (1/1) ... [2024-11-12 21:27:52,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:52,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:52,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:27:52,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:27:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:27:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:27:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 21:27:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 21:27:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 21:27:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 21:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 21:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 21:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-12 21:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-12 21:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-12 21:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-12 21:27:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-12 21:27:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-12 21:27:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-12 21:27:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:27:52,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:27:53,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:27:53,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:28:16,385 INFO L? ?]: Removed 29662 outVars from TransFormulas that were not future-live. [2024-11-12 21:28:16,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:28:16,581 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:28:16,581 INFO L316 CfgBuilder]: Removed 61 assume(true) statements. [2024-11-12 21:28:16,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:28:16 BoogieIcfgContainer [2024-11-12 21:28:16,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:28:16,584 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:28:16,584 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:28:16,588 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:28:16,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:28:16,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:27:49" (1/3) ... [2024-11-12 21:28:16,590 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0fbd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:28:16, skipping insertion in model container [2024-11-12 21:28:16,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:28:16,591 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:50" (2/3) ... [2024-11-12 21:28:16,591 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0fbd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:28:16, skipping insertion in model container [2024-11-12 21:28:16,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:28:16,592 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:28:16" (3/3) ... [2024-11-12 21:28:16,593 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product24.cil.c [2024-11-12 21:28:16,924 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:28:16,924 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:28:16,924 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:28:16,924 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:28:16,924 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:28:16,925 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:28:16,925 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:28:16,925 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:28:16,989 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) [2024-11-12 21:28:17,336 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:17,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:17,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:17,346 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:17,346 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:17,346 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:28:17,394 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) [2024-11-12 21:28:17,650 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:17,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:17,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:17,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:17,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:17,668 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0;" [2024-11-12 21:28:17,669 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i~0#1 < 5;" "assume !(0 == existInLiftCallsInDirection_~i~0#1);" "assume !(1 == existInLiftCallsInDirection_~i~0#1);" "assume !(2 == existInLiftCallsInDirection_~i~0#1);" "assume !(3 == existInLiftCallsInDirection_~i~0#1);" "assume !(4 == existInLiftCallsInDirection_~i~0#1);" "existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1;" [2024-11-12 21:28:17,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:17,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1530792437, now seen corresponding path program 1 times [2024-11-12 21:28:17,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:17,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922180329] [2024-11-12 21:28:17,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:18,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:18,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922180329] [2024-11-12 21:28:18,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922180329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:18,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376057681] [2024-11-12 21:28:18,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:18,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:18,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:18,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:18,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:28:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:19,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:19,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:19,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:19,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376057681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:19,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:19,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 6 [2024-11-12 21:28:19,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030404915] [2024-11-12 21:28:19,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:19,120 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:19,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash 629105533, now seen corresponding path program 1 times [2024-11-12 21:28:19,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:19,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320848581] [2024-11-12 21:28:19,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:19,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:19,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:19,250 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:19,251 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:19,251 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:19,251 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:19,252 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:28:19,252 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,252 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:19,253 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:19,253 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2024-11-12 21:28:19,253 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:19,254 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:19,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:19,338 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:19,339 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:28:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:19,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:19,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-12 21:28:19,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:28:19,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:19,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 21:28:19,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:19,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:19,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-12 21:28:19,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:28:19,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:19,445 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:28:19,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:19,453 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:19,453 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:19,454 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:19,454 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:19,454 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:28:19,454 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,454 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:19,454 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:19,455 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2024-11-12 21:28:19,455 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:19,455 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:19,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:19,518 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:19,523 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:28:19,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:19,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:19,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-12 21:28:19,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:28:19,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:28:19,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:28:19,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:28:19,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:28:19,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:28:19,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:28:19,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:28:19,555 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:28:19,560 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-12 21:28:19,560 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:28:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:19,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:19,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-12 21:28:19,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:28:19,567 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:28:19,568 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:28:19,568 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2024-11-12 21:28:19,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-12 21:28:19,587 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:28:19,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:19,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:28:19,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:19,816 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:28:19,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:28:20,055 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-12 21:28:20,090 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) [2024-11-12 21:28:20,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 21:28:22,263 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 46798 states and 87780 transitions. Complement of second has 18 states. [2024-11-12 21:28:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-12 21:28:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60757 transitions. [2024-11-12 21:28:22,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60757 transitions. Stem has 34 letters. Loop has 8 letters. [2024-11-12 21:28:22,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:22,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60757 transitions. Stem has 42 letters. Loop has 8 letters. [2024-11-12 21:28:22,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:22,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60757 transitions. Stem has 34 letters. Loop has 16 letters. [2024-11-12 21:28:22,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:22,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46798 states and 87780 transitions. [2024-11-12 21:28:22,747 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8070 [2024-11-12 21:28:22,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46798 states to 32299 states and 60501 transitions. [2024-11-12 21:28:22,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32269 [2024-11-12 21:28:23,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32270 [2024-11-12 21:28:23,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32299 states and 60501 transitions. [2024-11-12 21:28:23,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:23,034 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32299 states and 60501 transitions. [2024-11-12 21:28:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32299 states and 60501 transitions. [2024-11-12 21:28:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32299 to 32273. [2024-11-12 21:28:24,050 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) [2024-11-12 21:28:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32273 states to 32273 states and 60462 transitions. [2024-11-12 21:28:24,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32273 states and 60462 transitions. [2024-11-12 21:28:24,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:24,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 21:28:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 21:28:24,143 INFO L87 Difference]: Start difference. First operand 32273 states and 60462 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:25,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:25,230 INFO L93 Difference]: Finished difference Result 32255 states and 60331 transitions. [2024-11-12 21:28:25,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32255 states and 60331 transitions. [2024-11-12 21:28:25,566 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8054 [2024-11-12 21:28:25,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32255 states to 32246 states and 60322 transitions. [2024-11-12 21:28:25,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32227 [2024-11-12 21:28:25,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32227 [2024-11-12 21:28:25,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32246 states and 60322 transitions. [2024-11-12 21:28:25,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:25,800 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32246 states and 60322 transitions. [2024-11-12 21:28:25,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32246 states and 60322 transitions. [2024-11-12 21:28:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32246 to 17939. [2024-11-12 21:28:26,169 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) [2024-11-12 21:28:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17939 states to 17939 states and 33559 transitions. [2024-11-12 21:28:26,215 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17939 states and 33559 transitions. [2024-11-12 21:28:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:28:26,216 INFO L426 stractBuchiCegarLoop]: Abstraction has 17939 states and 33559 transitions. [2024-11-12 21:28:26,216 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:28:26,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17939 states and 33559 transitions. [2024-11-12 21:28:26,279 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2024-11-12 21:28:26,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:26,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:26,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:26,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:26,281 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "assume !(1 == ~prevDir~0);" "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;" "assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0;" [2024-11-12 21:28:26,282 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i~0#1 < 5;" "assume !(0 == existInLiftCallsInDirection_~i~0#1);" "assume !(1 == existInLiftCallsInDirection_~i~0#1);" "assume !(2 == existInLiftCallsInDirection_~i~0#1);" "assume !(3 == existInLiftCallsInDirection_~i~0#1);" "assume !(4 == existInLiftCallsInDirection_~i~0#1);" "existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1;" [2024-11-12 21:28:26,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1862529426, now seen corresponding path program 1 times [2024-11-12 21:28:26,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:26,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710888501] [2024-11-12 21:28:26,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:26,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:26,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710888501] [2024-11-12 21:28:26,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710888501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731572149] [2024-11-12 21:28:26,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:26,696 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:26,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 21:28:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:27,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:27,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:27,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:27,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731572149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:27,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:27,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 5 [2024-11-12 21:28:27,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565171854] [2024-11-12 21:28:27,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:27,540 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:27,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -563795075, now seen corresponding path program 1 times [2024-11-12 21:28:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:27,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492950243] [2024-11-12 21:28:27,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:27,564 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:27,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:27,628 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:27,630 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:27,630 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:27,630 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:27,630 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:28:27,630 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,630 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:27,631 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:27,631 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration2_Loop [2024-11-12 21:28:27,631 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:27,631 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:27,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:27,688 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:27,688 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:28:27,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:27,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:27,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-12 21:28:27,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:28:27,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:27,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:27,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:27,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:27,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-12 21:28:27,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:28:27,728 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:27,763 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:28:27,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 21:28:27,768 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:27,769 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:27,769 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:27,769 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:27,769 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:28:27,769 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,769 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:27,769 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:27,770 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration2_Loop [2024-11-12 21:28:27,770 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:27,770 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:27,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:27,826 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:27,827 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:28:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:27,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:27,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-12 21:28:27,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:28:27,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:28:27,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:28:27,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:28:27,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:28:27,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:28:27,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:28:27,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:28:27,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:28:27,852 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:28:27,853 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 21:28:27,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:27,855 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:27,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-12 21:28:27,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:28:27,860 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:28:27,860 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:28:27,860 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2024-11-12 21:28:27,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:27,875 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:28:27,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:27,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:28:27,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:28,052 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:28:28,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:28:28,216 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-12 21:28:28,217 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) [2024-11-12 21:28:28,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-12 21:28:29,512 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 32302 states and 60405 transitions. Complement of second has 17 states. [2024-11-12 21:28:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-12 21:28:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33546 transitions. [2024-11-12 21:28:29,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33546 transitions. Stem has 37 letters. Loop has 8 letters. [2024-11-12 21:28:29,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:29,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33546 transitions. Stem has 45 letters. Loop has 8 letters. [2024-11-12 21:28:29,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:29,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 33546 transitions. Stem has 37 letters. Loop has 16 letters. [2024-11-12 21:28:29,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:29,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32302 states and 60405 transitions. [2024-11-12 21:28:29,696 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8068 [2024-11-12 21:28:29,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32302 states to 32296 states and 60399 transitions. [2024-11-12 21:28:29,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32247 [2024-11-12 21:28:29,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32248 [2024-11-12 21:28:29,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32296 states and 60399 transitions. [2024-11-12 21:28:29,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:29,877 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32296 states and 60399 transitions. [2024-11-12 21:28:29,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32296 states and 60399 transitions. [2024-11-12 21:28:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32296 to 17963. [2024-11-12 21:28:30,199 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) [2024-11-12 21:28:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17963 states to 17963 states and 33597 transitions. [2024-11-12 21:28:30,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17963 states and 33597 transitions. [2024-11-12 21:28:30,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:30,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:28:30,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:28:30,610 INFO L87 Difference]: Start difference. First operand 17963 states and 33597 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:31,605 INFO L93 Difference]: Finished difference Result 17997 states and 33631 transitions. [2024-11-12 21:28:31,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17997 states and 33631 transitions. [2024-11-12 21:28:31,683 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4078 [2024-11-12 21:28:31,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17997 states to 17997 states and 33631 transitions. [2024-11-12 21:28:31,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17959 [2024-11-12 21:28:31,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17959 [2024-11-12 21:28:31,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17997 states and 33631 transitions. [2024-11-12 21:28:31,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:31,793 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17997 states and 33631 transitions. [2024-11-12 21:28:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17997 states and 33631 transitions. [2024-11-12 21:28:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17997 to 17978. [2024-11-12 21:28:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17978 states, 17978 states have (on average 1.869062187117588) internal successors, (33602), 17977 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) [2024-11-12 21:28:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17978 states to 17978 states and 33602 transitions. [2024-11-12 21:28:32,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17978 states and 33602 transitions. [2024-11-12 21:28:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:28:32,138 INFO L426 stractBuchiCegarLoop]: Abstraction has 17978 states and 33602 transitions. [2024-11-12 21:28:32,138 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:28:32,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17978 states and 33602 transitions. [2024-11-12 21:28:32,218 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4078 [2024-11-12 21:28:32,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:32,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:32,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:32,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:32,221 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0;" "assume !false;" [2024-11-12 21:28:32,221 INFO L749 eck$LassoCheckResult]: Loop: "assume existInLiftCallsInDirection_~i~0#1 < 5;" "assume 0 == existInLiftCallsInDirection_~i~0#1;" "assume !(0 != ~floorButtons_0~0);" "assume !(1 == existInLiftCallsInDirection_~i~0#1);" "assume !(2 == existInLiftCallsInDirection_~i~0#1);" "assume !(3 == existInLiftCallsInDirection_~i~0#1);" "assume !(4 == existInLiftCallsInDirection_~i~0#1);" "existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1;" "assume !false;" [2024-11-12 21:28:32,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:32,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1996412879, now seen corresponding path program 1 times [2024-11-12 21:28:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:32,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720081119] [2024-11-12 21:28:32,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:32,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:32,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720081119] [2024-11-12 21:28:32,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720081119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792189044] [2024-11-12 21:28:32,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:32,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:32,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:32,360 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:32,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 21:28:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:33,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:33,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:33,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:33,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792189044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:33,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:33,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-12 21:28:33,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444896061] [2024-11-12 21:28:33,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:33,120 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:33,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash -520511543, now seen corresponding path program 1 times [2024-11-12 21:28:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:33,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350822027] [2024-11-12 21:28:33,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:33,146 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:33,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:33,194 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:33,194 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:33,195 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:33,195 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:33,195 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:28:33,195 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,195 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:33,195 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:33,195 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration3_Loop [2024-11-12 21:28:33,196 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:33,196 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:33,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:33,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:33,223 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:33,223 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:28:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,226 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-12 21:28:33,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:28:33,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:33,246 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:28:33,246 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~floorButtons_0~0=0} Honda state: {~floorButtons_0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:28:33,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:33,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,260 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 21:28:33,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:28:33,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:33,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:33,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,285 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-12 21:28:33,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:28:33,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:28:33,298 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:28:33,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:33,312 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:28:33,312 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:28:33,312 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:28:33,312 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:28:33,312 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:28:33,312 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,312 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:28:33,313 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:28:33,313 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration3_Loop [2024-11-12 21:28:33,313 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:28:33,313 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:28:33,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:33,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:28:33,341 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:28:33,341 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:28:33,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,343 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 21:28:33,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:28:33,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:28:33,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:28:33,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:28:33,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:28:33,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:28:33,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:28:33,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:28:33,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:28:33,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-12 21:28:33,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,370 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 21:28:33,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:28:33,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:28:33,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:28:33,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:28:33,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:28:33,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:28:33,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:28:33,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:28:33,386 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:28:33,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:28:33,388 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:28:33,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:28:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:33,390 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:28:33,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-12 21:28:33,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:28:33,392 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:28:33,393 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:28:33,393 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -2*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 + 1 Supporting invariants [] [2024-11-12 21:28:33,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:33,405 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:28:33,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:33,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:28:33,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:33,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:28:33,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:33,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:28:33,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-12 21:28:33,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17978 states and 33602 transitions. cyclomatic complexity: 15659 Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:33,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-12 21:28:34,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17978 states and 33602 transitions. cyclomatic complexity: 15659. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 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) Result 46703 states and 87294 transitions. Complement of second has 8 states. [2024-11-12 21:28:34,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 21:28:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60309 transitions. [2024-11-12 21:28:34,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60309 transitions. Stem has 41 letters. Loop has 9 letters. [2024-11-12 21:28:34,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:34,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60309 transitions. Stem has 50 letters. Loop has 9 letters. [2024-11-12 21:28:34,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:34,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60309 transitions. Stem has 41 letters. Loop has 18 letters. [2024-11-12 21:28:34,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:28:34,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46703 states and 87294 transitions. [2024-11-12 21:28:35,115 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 8056 [2024-11-12 21:28:35,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46703 states to 32341 states and 60440 transitions. [2024-11-12 21:28:35,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32255 [2024-11-12 21:28:35,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32258 [2024-11-12 21:28:35,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32341 states and 60440 transitions. [2024-11-12 21:28:35,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:35,257 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32341 states and 60440 transitions. [2024-11-12 21:28:35,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32341 states and 60440 transitions. [2024-11-12 21:28:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32341 to 18024. [2024-11-12 21:28:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18024 states, 18024 states have (on average 1.8677873945849979) internal successors, (33665), 18023 states have internal predecessors, (33665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18024 states to 18024 states and 33665 transitions. [2024-11-12 21:28:35,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18024 states and 33665 transitions. [2024-11-12 21:28:35,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:35,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 21:28:35,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 21:28:35,586 INFO L87 Difference]: Start difference. First operand 18024 states and 33665 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:36,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:36,181 INFO L93 Difference]: Finished difference Result 17990 states and 33597 transitions. [2024-11-12 21:28:36,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17990 states and 33597 transitions. [2024-11-12 21:28:36,257 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:36,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17990 states to 17990 states and 33597 transitions. [2024-11-12 21:28:36,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17907 [2024-11-12 21:28:36,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17907 [2024-11-12 21:28:36,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17990 states and 33597 transitions. [2024-11-12 21:28:36,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:36,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17990 states and 33597 transitions. [2024-11-12 21:28:36,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17990 states and 33597 transitions. [2024-11-12 21:28:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17990 to 17990. [2024-11-12 21:28:36,609 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) [2024-11-12 21:28:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17990 states to 17990 states and 33597 transitions. [2024-11-12 21:28:36,650 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17990 states and 33597 transitions. [2024-11-12 21:28:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:28:36,651 INFO L426 stractBuchiCegarLoop]: Abstraction has 17990 states and 33597 transitions. [2024-11-12 21:28:36,651 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:28:36,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17990 states and 33597 transitions. [2024-11-12 21:28:36,711 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:36,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:36,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:36,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:36,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:36,712 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:36,713 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:36,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:36,713 INFO L85 PathProgramCache]: Analyzing trace with hash 553838192, now seen corresponding path program 1 times [2024-11-12 21:28:36,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:36,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062762365] [2024-11-12 21:28:36,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:36,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:36,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:36,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062762365] [2024-11-12 21:28:36,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062762365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:36,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683122064] [2024-11-12 21:28:36,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:36,809 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:36,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 21:28:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:37,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:28:37,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:37,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:37,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683122064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:37,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:37,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-12 21:28:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15936549] [2024-11-12 21:28:37,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:37,636 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:37,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 1 times [2024-11-12 21:28:37,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:37,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424043138] [2024-11-12 21:28:37,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:37,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:37,659 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:37,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:37,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 21:28:37,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-12 21:28:37,699 INFO L87 Difference]: Start difference. First operand 17990 states and 33597 transitions. cyclomatic complexity: 15644 Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:38,394 INFO L93 Difference]: Finished difference Result 18018 states and 33634 transitions. [2024-11-12 21:28:38,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18018 states and 33634 transitions. [2024-11-12 21:28:38,460 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:38,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18018 states to 18018 states and 33634 transitions. [2024-11-12 21:28:38,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17935 [2024-11-12 21:28:38,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17935 [2024-11-12 21:28:38,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18018 states and 33634 transitions. [2024-11-12 21:28:38,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:38,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18018 states and 33634 transitions. [2024-11-12 21:28:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18018 states and 33634 transitions. [2024-11-12 21:28:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18018 to 18002. [2024-11-12 21:28:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18002 states, 18002 states have (on average 1.8667925786023776) internal successors, (33606), 18001 states have internal predecessors, (33606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18002 states to 18002 states and 33606 transitions. [2024-11-12 21:28:38,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18002 states and 33606 transitions. [2024-11-12 21:28:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 21:28:38,958 INFO L426 stractBuchiCegarLoop]: Abstraction has 18002 states and 33606 transitions. [2024-11-12 21:28:38,958 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 21:28:38,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18002 states and 33606 transitions. [2024-11-12 21:28:39,002 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:39,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:39,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:39,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:39,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:39,003 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume 0 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:39,004 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:39,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:39,005 INFO L85 PathProgramCache]: Analyzing trace with hash -507725210, now seen corresponding path program 1 times [2024-11-12 21:28:39,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:39,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338107510] [2024-11-12 21:28:39,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:39,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338107510] [2024-11-12 21:28:39,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338107510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126386913] [2024-11-12 21:28:39,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:39,129 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:39,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 21:28:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:39,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:39,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:39,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:39,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126386913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:39,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:39,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 6 [2024-11-12 21:28:39,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190573339] [2024-11-12 21:28:39,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:39,822 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:39,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:39,822 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 2 times [2024-11-12 21:28:39,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:39,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911174657] [2024-11-12 21:28:39,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:39,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:39,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:39,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:39,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:39,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 21:28:39,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 21:28:39,871 INFO L87 Difference]: Start difference. First operand 18002 states and 33606 transitions. cyclomatic complexity: 15641 Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:40,588 INFO L93 Difference]: Finished difference Result 17996 states and 33588 transitions. [2024-11-12 21:28:40,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17996 states and 33588 transitions. [2024-11-12 21:28:40,646 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:40,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17996 states to 17996 states and 33588 transitions. [2024-11-12 21:28:40,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17913 [2024-11-12 21:28:40,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17913 [2024-11-12 21:28:40,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17996 states and 33588 transitions. [2024-11-12 21:28:40,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:40,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17996 states and 33588 transitions. [2024-11-12 21:28:40,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17996 states and 33588 transitions. [2024-11-12 21:28:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17996 to 17988. [2024-11-12 21:28:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17988 states, 17988 states have (on average 1.866577718478986) internal successors, (33576), 17987 states have internal predecessors, (33576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17988 states to 17988 states and 33576 transitions. [2024-11-12 21:28:40,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17988 states and 33576 transitions. [2024-11-12 21:28:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 21:28:40,896 INFO L426 stractBuchiCegarLoop]: Abstraction has 17988 states and 33576 transitions. [2024-11-12 21:28:40,896 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-12 21:28:40,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17988 states and 33576 transitions. [2024-11-12 21:28:40,942 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:40,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:40,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:40,943 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] [2024-11-12 21:28:40,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:40,943 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume 1 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume !(1 == initPersonOnFloor_~person#1);" "assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_1~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:40,944 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:40,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:40,944 INFO L85 PathProgramCache]: Analyzing trace with hash -873923861, now seen corresponding path program 1 times [2024-11-12 21:28:40,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:40,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468044812] [2024-11-12 21:28:40,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:40,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:41,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468044812] [2024-11-12 21:28:41,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468044812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230011810] [2024-11-12 21:28:41,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:41,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:41,259 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:41,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 21:28:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:41,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:28:41,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:42,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:42,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230011810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:42,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:42,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-11-12 21:28:42,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175880116] [2024-11-12 21:28:42,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:42,036 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:42,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 3 times [2024-11-12 21:28:42,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:42,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733211325] [2024-11-12 21:28:42,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:42,055 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:42,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:42,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:28:42,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:28:42,087 INFO L87 Difference]: Start difference. First operand 17988 states and 33576 transitions. cyclomatic complexity: 15625 Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:42,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:42,692 INFO L93 Difference]: Finished difference Result 17981 states and 33560 transitions. [2024-11-12 21:28:42,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17981 states and 33560 transitions. [2024-11-12 21:28:42,945 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:42,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17981 states to 17981 states and 33560 transitions. [2024-11-12 21:28:42,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17898 [2024-11-12 21:28:42,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17898 [2024-11-12 21:28:42,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17981 states and 33560 transitions. [2024-11-12 21:28:42,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:42,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17981 states and 33560 transitions. [2024-11-12 21:28:43,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17981 states and 33560 transitions. [2024-11-12 21:28:43,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17981 to 17976. [2024-11-12 21:28:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17976 states, 17976 states have (on average 1.8664886515353805) internal successors, (33552), 17975 states have internal predecessors, (33552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17976 states to 17976 states and 33552 transitions. [2024-11-12 21:28:43,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17976 states and 33552 transitions. [2024-11-12 21:28:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 21:28:43,168 INFO L426 stractBuchiCegarLoop]: Abstraction has 17976 states and 33552 transitions. [2024-11-12 21:28:43,168 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-12 21:28:43,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17976 states and 33552 transitions. [2024-11-12 21:28:43,210 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:43,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:43,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:43,211 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] [2024-11-12 21:28:43,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:43,212 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume !(3 == initPersonOnFloor_~floor#1);" "assume !(4 == initPersonOnFloor_~floor#1);" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:43,212 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:43,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:43,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1500510059, now seen corresponding path program 1 times [2024-11-12 21:28:43,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:43,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768627615] [2024-11-12 21:28:43,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:43,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:43,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:43,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768627615] [2024-11-12 21:28:43,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768627615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:43,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211232749] [2024-11-12 21:28:43,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:43,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:43,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:43,321 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:43,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 21:28:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:43,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 21:28:43,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:44,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211232749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:44,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:44,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 7 [2024-11-12 21:28:44,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057943953] [2024-11-12 21:28:44,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:44,046 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:44,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:44,046 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 4 times [2024-11-12 21:28:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:44,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461836615] [2024-11-12 21:28:44,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:44,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:44,058 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:44,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:44,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:44,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:28:44,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:28:44,091 INFO L87 Difference]: Start difference. First operand 17976 states and 33552 transitions. cyclomatic complexity: 15613 Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:44,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:44,637 INFO L93 Difference]: Finished difference Result 17969 states and 33539 transitions. [2024-11-12 21:28:44,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17969 states and 33539 transitions. [2024-11-12 21:28:44,694 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:44,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17969 states to 17969 states and 33539 transitions. [2024-11-12 21:28:44,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17886 [2024-11-12 21:28:44,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17886 [2024-11-12 21:28:44,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17969 states and 33539 transitions. [2024-11-12 21:28:44,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:44,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17969 states and 33539 transitions. [2024-11-12 21:28:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17969 states and 33539 transitions. [2024-11-12 21:28:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17969 to 17965. [2024-11-12 21:28:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17965 states, 17965 states have (on average 1.8665182298914555) internal successors, (33532), 17964 states have internal predecessors, (33532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17965 states to 17965 states and 33532 transitions. [2024-11-12 21:28:44,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17965 states and 33532 transitions. [2024-11-12 21:28:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 21:28:44,949 INFO L426 stractBuchiCegarLoop]: Abstraction has 17965 states and 33532 transitions. [2024-11-12 21:28:44,949 INFO L333 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-12 21:28:44,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17965 states and 33532 transitions. [2024-11-12 21:28:44,992 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4076 [2024-11-12 21:28:44,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:44,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:44,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:44,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:44,993 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume 2 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume !(1 == initPersonOnFloor_~person#1);" "assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:44,994 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:44,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:44,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1525038236, now seen corresponding path program 1 times [2024-11-12 21:28:44,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:44,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379124120] [2024-11-12 21:28:44,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:44,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:45,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:45,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379124120] [2024-11-12 21:28:45,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379124120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:45,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227295294] [2024-11-12 21:28:45,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:45,087 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:45,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 21:28:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:45,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:45,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:46,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:46,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227295294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:46,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:46,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-11-12 21:28:46,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729134241] [2024-11-12 21:28:46,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:46,145 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:46,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 5 times [2024-11-12 21:28:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84726269] [2024-11-12 21:28:46,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:46,161 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:46,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:46,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:28:46,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:28:46,193 INFO L87 Difference]: Start difference. First operand 17965 states and 33532 transitions. cyclomatic complexity: 15604 Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:47,648 INFO L93 Difference]: Finished difference Result 42869 states and 80199 transitions. [2024-11-12 21:28:47,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42869 states and 80199 transitions. [2024-11-12 21:28:47,830 INFO L131 ngComponentsAnalysis]: Automaton has 90 accepting balls. 10149 [2024-11-12 21:28:47,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42869 states to 42869 states and 80199 transitions. [2024-11-12 21:28:47,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42703 [2024-11-12 21:28:47,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42703 [2024-11-12 21:28:47,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42869 states and 80199 transitions. [2024-11-12 21:28:47,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:47,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42869 states and 80199 transitions. [2024-11-12 21:28:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42869 states and 80199 transitions. [2024-11-12 21:28:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42869 to 25416. [2024-11-12 21:28:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25416 states, 25416 states have (on average 1.8646128423040604) internal successors, (47391), 25415 states have internal predecessors, (47391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25416 states to 25416 states and 47391 transitions. [2024-11-12 21:28:48,435 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25416 states and 47391 transitions. [2024-11-12 21:28:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:28:48,436 INFO L426 stractBuchiCegarLoop]: Abstraction has 25416 states and 47391 transitions. [2024-11-12 21:28:48,436 INFO L333 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-12 21:28:48,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25416 states and 47391 transitions. [2024-11-12 21:28:48,524 INFO L131 ngComponentsAnalysis]: Automaton has 65 accepting balls. 6237 [2024-11-12 21:28:48,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:48,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:48,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:48,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:48,526 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume 2 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume !(1 == initPersonOnFloor_~person#1);" "assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "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;" "assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#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;" "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;" "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;" "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;" "assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~5#1);stopRequestedAtCurrentFloor_~retValue_acc~17#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#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;" "assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1);" "assume !(1 == ~doorState~0);" "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;" "assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#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;" "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;" "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;" "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;" "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;" "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;" "assume !(1 == ~currentHeading~0);" "assume !(0 == ~currentFloorID~0);" "assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1;" "havoc continueInDirection_#t~ret53#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } 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;assume { :end_inline_timeShift__wrappee__executivefloor } true;" "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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:48,527 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:48,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash 401192103, now seen corresponding path program 1 times [2024-11-12 21:28:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:48,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829348483] [2024-11-12 21:28:48,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829348483] [2024-11-12 21:28:48,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829348483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651900986] [2024-11-12 21:28:48,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:48,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:48,818 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:48,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 21:28:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:49,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:49,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:49,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:49,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651900986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:49,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:49,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 2, 2] total 7 [2024-11-12 21:28:49,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890613474] [2024-11-12 21:28:49,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:49,639 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:49,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:49,639 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 6 times [2024-11-12 21:28:49,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672287898] [2024-11-12 21:28:49,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:49,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:49,652 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:49,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:49,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:49,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 21:28:49,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 21:28:49,681 INFO L87 Difference]: Start difference. First operand 25416 states and 47391 transitions. cyclomatic complexity: 22048 Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:28:50,400 INFO L93 Difference]: Finished difference Result 21129 states and 39080 transitions. [2024-11-12 21:28:50,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21129 states and 39080 transitions. [2024-11-12 21:28:50,464 INFO L131 ngComponentsAnalysis]: Automaton has 97 accepting balls. 6107 [2024-11-12 21:28:50,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21129 states to 21129 states and 39080 transitions. [2024-11-12 21:28:50,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20880 [2024-11-12 21:28:50,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20880 [2024-11-12 21:28:50,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21129 states and 39080 transitions. [2024-11-12 21:28:50,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:28:50,549 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21129 states and 39080 transitions. [2024-11-12 21:28:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21129 states and 39080 transitions. [2024-11-12 21:28:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21129 to 21129. [2024-11-12 21:28:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21129 states, 21129 states have (on average 1.849590610062) internal successors, (39080), 21128 states have internal predecessors, (39080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:28:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21129 states to 21129 states and 39080 transitions. [2024-11-12 21:28:50,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21129 states and 39080 transitions. [2024-11-12 21:28:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 21:28:50,804 INFO L426 stractBuchiCegarLoop]: Abstraction has 21129 states and 39080 transitions. [2024-11-12 21:28:50,804 INFO L333 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-12 21:28:50,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21129 states and 39080 transitions. [2024-11-12 21:28:50,854 INFO L131 ngComponentsAnalysis]: Automaton has 97 accepting balls. 6107 [2024-11-12 21:28:50,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:28:50,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:28:50,855 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:28:50,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:28:50,856 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int#5(91, 17, 0, 1);call write~init~int#5(95, 17, 1, 1);call write~init~int#5(93, 17, 2, 1);call write~init~int#5(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int#6(91, 18, 0, 1);call write~init~int#6(93, 18, 1, 1);call write~init~int#6(32, 18, 2, 1);call write~init~int#6(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int#7(32, 19, 0, 1);call write~init~int#7(97, 19, 1, 1);call write~init~int#7(116, 19, 2, 1);call write~init~int#7(32, 19, 3, 1);call write~init~int#7(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int#8(37, 20, 0, 1);call write~init~int#8(105, 20, 1, 1);call write~init~int#8(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int#9(117, 22, 0, 1);call write~init~int#9(112, 22, 1, 1);call write~init~int#9(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int#10(100, 23, 0, 1);call write~init~int#10(111, 23, 1, 1);call write~init~int#10(119, 23, 2, 1);call write~init~int#10(110, 23, 3, 1);call write~init~int#10(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int#11(32, 24, 0, 1);call write~init~int#11(73, 24, 1, 1);call write~init~int#11(76, 24, 2, 1);call write~init~int#11(95, 24, 3, 1);call write~init~int#11(112, 24, 4, 1);call write~init~int#11(58, 24, 5, 1);call write~init~int#11(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int#12(32, 25, 0, 1);call write~init~int#12(37, 25, 1, 1);call write~init~int#12(105, 25, 2, 1);call write~init~int#12(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int#13(32, 26, 0, 1);call write~init~int#13(37, 26, 1, 1);call write~init~int#13(105, 26, 2, 1);call write~init~int#13(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int#14(32, 27, 0, 1);call write~init~int#14(37, 27, 1, 1);call write~init~int#14(105, 27, 2, 1);call write~init~int#14(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int#15(32, 28, 0, 1);call write~init~int#15(37, 28, 1, 1);call write~init~int#15(105, 28, 2, 1);call write~init~int#15(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int#16(32, 29, 0, 1);call write~init~int#16(37, 29, 1, 1);call write~init~int#16(105, 29, 2, 1);call write~init~int#16(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int#17(32, 30, 0, 1);call write~init~int#17(70, 30, 1, 1);call write~init~int#17(95, 30, 2, 1);call write~init~int#17(112, 30, 3, 1);call write~init~int#17(58, 30, 4, 1);call write~init~int#17(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int#18(32, 31, 0, 1);call write~init~int#18(37, 31, 1, 1);call write~init~int#18(105, 31, 2, 1);call write~init~int#18(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int#19(32, 32, 0, 1);call write~init~int#19(37, 32, 1, 1);call write~init~int#19(105, 32, 2, 1);call write~init~int#19(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int#1(32, 33, 0, 1);call write~init~int#1(37, 33, 1, 1);call write~init~int#1(105, 33, 2, 1);call write~init~int#1(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int#2(32, 34, 0, 1);call write~init~int#2(37, 34, 1, 1);call write~init~int#2(105, 34, 2, 1);call write~init~int#2(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int#3(32, 35, 0, 1);call write~init~int#3(37, 35, 1, 1);call write~init~int#3(105, 35, 2, 1);call write~init~int#3(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int#4(10, 36, 0, 1);call write~init~int#4(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~28#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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume !(2 == initPersonOnFloor_~floor#1);" "assume 3 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume !(2 == callOnFloor_~floorID#1);" "assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "assume !(0 == getOrigin_~person#1);" "assume !(1 == getOrigin_~person#1);" "assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1;" "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;" "assume !(0 == initPersonOnFloor_~floor#1);" "assume !(1 == initPersonOnFloor_~floor#1);" "assume 2 == initPersonOnFloor_~floor#1;" "assume !(0 == initPersonOnFloor_~person#1);" "assume !(1 == initPersonOnFloor_~person#1);" "assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1;" "assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;" "assume !(0 == callOnFloor_~floorID#1);" "assume !(1 == callOnFloor_~floorID#1);" "assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1;" "havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true;" "havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true;" "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;" "__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;" "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;" "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;" "assume 0 != timeShift_~tmp~16#1;" "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;" "assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#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;" "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;" "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;" "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;" "assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~5#1);stopRequestedAtCurrentFloor_~retValue_acc~17#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~17#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;" "assume !(0 != timeShift__wrappee__executivefloor_~tmp___9~2#1);" "assume 1 == ~doorState~0;~doorState~0 := 0;" "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;" "assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#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;" "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;" "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;" "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;" "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;" "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;" "assume !(1 == ~currentHeading~0);" "assume !(0 == ~currentFloorID~0);" "assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1;" "havoc continueInDirection_#t~ret53#1, continueInDirection_~dir#1, continueInDirection_~tmp~10#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } 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;assume { :end_inline_timeShift__wrappee__executivefloor } true;" "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);" "assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;" "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;" "assume !(1 == existInLiftCallsInDirection_~d#1);" "assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1;" [2024-11-12 21:28:50,856 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume existInLiftCallsInDirection_~i___0~0#1 >= 0;" "existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0;" "assume !false;" "assume !(existInLiftCallsInDirection_~i___0~0#1 < 5);" "existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1;" [2024-11-12 21:28:50,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:50,856 INFO L85 PathProgramCache]: Analyzing trace with hash 886367810, now seen corresponding path program 1 times [2024-11-12 21:28:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:50,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819055220] [2024-11-12 21:28:50,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:50,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:28:50,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819055220] [2024-11-12 21:28:50,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819055220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:28:50,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975748983] [2024-11-12 21:28:50,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:28:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:28:50,955 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:28:50,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 21:28:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:28:51,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:28:51,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:28:51,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:28:51,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975748983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:28:51,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:28:51,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 4 [2024-11-12 21:28:51,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143367820] [2024-11-12 21:28:51,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:28:51,832 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:28:51,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:28:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash 954762475, now seen corresponding path program 7 times [2024-11-12 21:28:51,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:28:51,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415804574] [2024-11-12 21:28:51,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:28:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:28:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:51,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:28:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:28:51,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:28:51,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:28:51,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:28:51,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:28:51,872 INFO L87 Difference]: Start difference. First operand 21129 states and 39080 transitions. cyclomatic complexity: 18060 Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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)