./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/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_product22.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.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:01:22,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:01:22,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:01:22,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:01:22,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:01:22,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:01:22,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:01:22,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:01:22,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:01:22,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:01:22,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:01:22,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:01:22,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:01:22,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:01:22,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:01:22,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:01:22,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:01:22,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:01:22,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:01:22,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:01:22,652 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:01:22,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:01:22,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:01:22,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:01:22,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:01:22,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:01:22,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:01:22,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:01:22,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:01:22,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:01:22,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:01:22,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:01:22,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:01:22,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:01:22,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:01:22,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:01:22,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:01:22,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:01:22,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:01:22,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:01:22,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:01:22,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:01:22,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:01:22,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:01:22,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:01:22,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:01:22,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:01:22,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:01:22,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:01:22,691 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:01:22,691 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:01:22,691 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:01:22,692 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:01:22,692 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:01:22,692 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:01:22,693 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:01:22,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:01:22,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:01:22,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:01:22,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:01:22,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:01:22,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:01:22,695 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:01:22,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:01:22,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:01:22,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:01:22,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:01:22,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:01:22,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:01:22,697 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:01:22,697 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a [2022-07-13 04:01:22,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:01:22,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:01:22,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:01:22,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:01:22,915 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:01:22,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2022-07-13 04:01:22,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b70a6e3e/fae49e4369564cb7a7fe4a9b7e821035/FLAG5967a3332 [2022-07-13 04:01:23,405 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:01:23,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2022-07-13 04:01:23,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b70a6e3e/fae49e4369564cb7a7fe4a9b7e821035/FLAG5967a3332 [2022-07-13 04:01:23,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b70a6e3e/fae49e4369564cb7a7fe4a9b7e821035 [2022-07-13 04:01:23,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:01:23,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:01:23,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:01:23,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:01:23,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:01:23,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:01:23" (1/1) ... [2022-07-13 04:01:23,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4437164f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:23, skipping insertion in model container [2022-07-13 04:01:23,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:01:23" (1/1) ... [2022-07-13 04:01:23,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:01:23,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:01:23,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2022-07-13 04:01:24,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:01:24,279 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:01:24,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2022-07-13 04:01:24,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:01:24,381 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:01:24,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24 WrapperNode [2022-07-13 04:01:24,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:01:24,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:01:24,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:01:24,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:01:24,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:24,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:24,938 INFO L137 Inliner]: procedures = 92, calls = 344, calls flagged for inlining = 196, calls inlined = 1755, statements flattened = 63923 [2022-07-13 04:01:24,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:01:24,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:01:24,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:01:24,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:01:24,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:24,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:25,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:25,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:25,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:25,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:25,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:26,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:01:26,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:01:26,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:01:26,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:01:26,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (1/1) ... [2022-07-13 04:01:26,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:26,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:01:26,140 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) [2022-07-13 04:01:26,163 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 [2022-07-13 04:01:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:01:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:01:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:01:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:01:26,372 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:01:26,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:01:40,849 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:01:40,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:01:40,924 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-07-13 04:01:40,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:01:40 BoogieIcfgContainer [2022-07-13 04:01:40,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:01:40,941 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:01:40,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:01:40,944 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:01:40,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:01:40,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:01:23" (1/3) ... [2022-07-13 04:01:40,947 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33053344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:01:40, skipping insertion in model container [2022-07-13 04:01:40,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:01:40,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:01:24" (2/3) ... [2022-07-13 04:01:40,948 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33053344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:01:40, skipping insertion in model container [2022-07-13 04:01:40,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:01:40,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:01:40" (3/3) ... [2022-07-13 04:01:40,950 INFO L354 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product22.cil.c [2022-07-13 04:01:41,175 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:01:41,175 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:01:41,175 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:01:41,175 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:01:41,175 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:01:41,175 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:01:41,176 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:01:41,176 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:01:41,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17392 states, 17391 states have (on average 1.8840204703582313) internal successors, (32765), 17391 states have internal predecessors, (32765), 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) [2022-07-13 04:01:41,444 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:01:41,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:01:41,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:01:41,461 INFO L179 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] [2022-07-13 04:01:41,464 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:01:41,464 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:01:41,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17392 states, 17391 states have (on average 1.8840204703582313) internal successors, (32765), 17391 states have internal predecessors, (32765), 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) [2022-07-13 04:01:41,670 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:01:41,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:01:41,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:01:41,674 INFO L179 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] [2022-07-13 04:01:41,674 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:01:41,685 INFO L752 eck$LassoCheckResult]: Stem: 6960#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 4191#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 7613#L2919true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2778#L2912true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 15758#L2927true main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 16068#L3266true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 10704#L3243true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 395#L2819true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 3646#L2844true aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 3859#L2375true assume 0 == initPersonOnFloor_~floor#1; 15874#L2376true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 13651#L2483-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 7123#L2167true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 11145#L2179-2true assume { :end_inline_callOnFloor } true; 15245#L2519true assume { :end_inline_initPersonOnFloor } true; 12448#L3004true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 2566#L2819-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 9669#L2844-1true angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 7080#L2375-1true assume 0 == initPersonOnFloor_~floor#1; 9990#L2376-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 12661#L2483-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 16572#L2167-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4273#L2179-5true assume { :end_inline_callOnFloor } true; 10274#L2519-1true assume { :end_inline_initPersonOnFloor } true; 14225#L3015true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 4067#L738true __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 2150#L3288true 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; 16153#L695true timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 9424#L1647true assume 0 != timeShift_~tmp~14#1; 13588#L1648true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 16852#L1647-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 13014#L3305true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 10146#L3306true 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 2432#L1867true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 7323#L1871-2true [2022-07-13 04:01:41,686 INFO L754 eck$LassoCheckResult]: Loop: 7323#L1871-2true assume !false; 67#L1872true assume existInLiftCallsInDirection_~i~0#1 < 5; 2751#L1873true assume !(0 == existInLiftCallsInDirection_~i~0#1); 8197#L1886true assume !(1 == existInLiftCallsInDirection_~i~0#1); 9311#L1895true assume !(2 == existInLiftCallsInDirection_~i~0#1); 13389#L1904true assume !(3 == existInLiftCallsInDirection_~i~0#1); 10510#L1913true assume !(4 == existInLiftCallsInDirection_~i~0#1); 16551#L1914-1true existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 7323#L1871-2true [2022-07-13 04:01:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1544398965, now seen corresponding path program 1 times [2022-07-13 04:01:41,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:41,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131441440] [2022-07-13 04:01:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:01:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:01:41,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:01:41,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131441440] [2022-07-13 04:01:41,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131441440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:01:41,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:01:41,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:01:41,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959110486] [2022-07-13 04:01:41,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:01:41,963 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:01:41,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:41,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1775462013, now seen corresponding path program 1 times [2022-07-13 04:01:41,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:41,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858328172] [2022-07-13 04:01:41,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:41,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:41,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:01:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:41,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:01:42,030 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:01:42,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:01:42,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:01:42,031 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:01:42,032 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-13 04:01:42,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:01:42,032 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:01:42,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration1_Loop [2022-07-13 04:01:42,032 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:01:42,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:01:42,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:01:42,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:01:42,125 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-13 04:01:42,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:01:42,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:01:42,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 04:01:42,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:01:42,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:01:42,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-13 04:01:42,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:01:42,219 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) [2022-07-13 04:01:42,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 04:01:42,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:01:42,235 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 [2022-07-13 04:01:42,276 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-13 04:01:42,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 04:01:42,286 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:01:42,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:01:42,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:01:42,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:01:42,286 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:01:42,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:01:42,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:01:42,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product22.cil.c_Iteration1_Loop [2022-07-13 04:01:42,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:01:42,286 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:01:42,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:01:42,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:01:42,342 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:01:42,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:01:42,347 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) [2022-07-13 04:01:42,362 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 [2022-07-13 04:01:42,368 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 [2022-07-13 04:01:42,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:01:42,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:01:42,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:01:42,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:01:42,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:01:42,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:01:42,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:01:42,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:01:42,391 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-13 04:01:42,392 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-13 04:01:42,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:01:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:01:42,396 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) [2022-07-13 04:01:42,397 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 [2022-07-13 04:01:42,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:01:42,398 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-13 04:01:42,399 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:01:42,399 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2022-07-13 04:01:42,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-13 04:01:42,417 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-13 04:01:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:01:42,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 04:01:42,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:01:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:01:42,604 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 04:01:42,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:01:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:01:42,777 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-07-13 04:01:42,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17392 states, 17391 states have (on average 1.8840204703582313) internal successors, (32765), 17391 states have internal predecessors, (32765), 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) [2022-07-13 04:01:43,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 04:01:50,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17392 states, 17391 states have (on average 1.8840204703582313) internal successors, (32765), 17391 states have internal predecessors, (32765), 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 204458 states and 385081 transitions. Complement of second has 18 states. [2022-07-13 04:01:50,382 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 [2022-07-13 04:01:50,388 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) [2022-07-13 04:01:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 208931 transitions. [2022-07-13 04:01:50,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 208931 transitions. Stem has 34 letters. Loop has 8 letters. [2022-07-13 04:01:50,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:01:50,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 208931 transitions. Stem has 42 letters. Loop has 8 letters. [2022-07-13 04:01:50,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:01:50,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 208931 transitions. Stem has 34 letters. Loop has 16 letters. [2022-07-13 04:01:50,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:01:50,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204458 states and 385081 transitions. [2022-07-13 04:01:52,323 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 27864 [2022-07-13 04:01:53,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204458 states to 110811 states and 208654 transitions. [2022-07-13 04:01:53,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 110781 [2022-07-13 04:01:53,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 110782 [2022-07-13 04:01:53,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110811 states and 208654 transitions. [2022-07-13 04:01:53,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:01:53,246 INFO L369 hiAutomatonCegarLoop]: Abstraction has 110811 states and 208654 transitions. [2022-07-13 04:01:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110811 states and 208654 transitions. [2022-07-13 04:01:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110811 to 31274. [2022-07-13 04:01:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31274 states, 31274 states have (on average 1.8800601138325765) internal successors, (58797), 31273 states have internal predecessors, (58797), 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) [2022-07-13 04:01:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31274 states to 31274 states and 58797 transitions. [2022-07-13 04:01:54,572 INFO L392 hiAutomatonCegarLoop]: Abstraction has 31274 states and 58797 transitions. [2022-07-13 04:01:54,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:01:54,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:01:54,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:01:54,578 INFO L87 Difference]: Start difference. First operand 31274 states and 58797 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:01:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:01:55,447 INFO L93 Difference]: Finished difference Result 45181 states and 84793 transitions. [2022-07-13 04:01:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:01:55,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45181 states and 84793 transitions. [2022-07-13 04:01:55,705 INFO L131 ngComponentsAnalysis]: Automaton has 78 accepting balls. 15034 [2022-07-13 04:01:55,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45181 states to 45168 states and 84780 transitions. [2022-07-13 04:01:55,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45149 [2022-07-13 04:01:55,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45149 [2022-07-13 04:01:55,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45168 states and 84780 transitions. [2022-07-13 04:01:56,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:01:56,031 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45168 states and 84780 transitions. [2022-07-13 04:01:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45168 states and 84780 transitions. [2022-07-13 04:01:56,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45168 to 17389. [2022-07-13 04:01:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17389 states, 17389 states have (on average 1.8769912013341767) internal successors, (32639), 17388 states have internal predecessors, (32639), 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) [2022-07-13 04:01:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17389 states to 17389 states and 32639 transitions. [2022-07-13 04:01:56,817 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17389 states and 32639 transitions. [2022-07-13 04:01:56,817 INFO L374 stractBuchiCegarLoop]: Abstraction has 17389 states and 32639 transitions. [2022-07-13 04:01:56,817 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:01:56,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17389 states and 32639 transitions. [2022-07-13 04:01:56,869 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:01:56,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:01:56,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:01:56,870 INFO L179 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] [2022-07-13 04:01:56,870 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:01:56,871 INFO L752 eck$LassoCheckResult]: Stem: 310407#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 306832#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 306833#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304505#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 304506#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 315727#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 313672#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 299503#L2819 assume !(0 == getOrigin_~person#1); 299504#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 305975#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 305976#L2375 assume 0 == initPersonOnFloor_~floor#1; 306311#L2376 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 298821#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 310571#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 304439#L2179-2 assume { :end_inline_callOnFloor } true; 313949#L2519 assume { :end_inline_initPersonOnFloor } true; 314667#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 304112#L2819-1 assume !(0 == getOrigin_~person#1); 304113#L2823-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 308631#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 310525#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 310526#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 298957#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 314770#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 306941#L2179-5 assume { :end_inline_callOnFloor } true; 306942#L2519-1 assume { :end_inline_initPersonOnFloor } true; 313386#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 306644#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 303322#L3288 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; 303323#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 312741#L1647 assume 0 != timeShift_~tmp~14#1; 312742#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 314812#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 314917#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 313293#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 303852#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 303853#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 302107#L1937-2 [2022-07-13 04:01:56,871 INFO L754 eck$LassoCheckResult]: Loop: 302107#L1937-2 assume !false; 302108#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 303756#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 305700#L1946-2 assume !false; 304970#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 304972#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 302107#L1937-2 [2022-07-13 04:01:56,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1440334859, now seen corresponding path program 1 times [2022-07-13 04:01:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:56,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933126150] [2022-07-13 04:01:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:01:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:01:56,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:01:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933126150] [2022-07-13 04:01:56,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933126150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:01:56,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:01:56,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:01:56,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874581003] [2022-07-13 04:01:56,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:01:56,937 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:01:56,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:56,938 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 1 times [2022-07-13 04:01:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:56,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75483120] [2022-07-13 04:01:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:56,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:01:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:56,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:01:56,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:01:56,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 04:01:56,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 04:01:56,972 INFO L87 Difference]: Start difference. First operand 17389 states and 32639 transitions. cyclomatic complexity: 15284 Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:01:57,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:01:57,962 INFO L93 Difference]: Finished difference Result 51950 states and 97487 transitions. [2022-07-13 04:01:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:01:57,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51950 states and 97487 transitions. [2022-07-13 04:01:58,323 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 11892 [2022-07-13 04:01:58,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51950 states to 51950 states and 97487 transitions. [2022-07-13 04:01:58,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51893 [2022-07-13 04:01:58,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51893 [2022-07-13 04:01:58,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51950 states and 97487 transitions. [2022-07-13 04:01:58,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:01:58,601 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51950 states and 97487 transitions. [2022-07-13 04:01:58,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51950 states and 97487 transitions. [2022-07-13 04:01:58,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51950 to 17404. [2022-07-13 04:01:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17404 states, 17404 states have (on average 1.876235348195817) internal successors, (32654), 17403 states have internal predecessors, (32654), 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) [2022-07-13 04:01:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17404 states to 17404 states and 32654 transitions. [2022-07-13 04:01:58,993 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17404 states and 32654 transitions. [2022-07-13 04:01:58,993 INFO L374 stractBuchiCegarLoop]: Abstraction has 17404 states and 32654 transitions. [2022-07-13 04:01:58,993 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:01:58,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17404 states and 32654 transitions. [2022-07-13 04:01:59,045 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:01:59,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:01:59,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:01:59,051 INFO L179 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] [2022-07-13 04:01:59,051 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:01:59,052 INFO L752 eck$LassoCheckResult]: Stem: 379752#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 376173#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 376174#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 373847#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 373848#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 385076#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 383018#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 368851#L2819 assume !(0 == getOrigin_~person#1); 368852#L2823 assume !(1 == getOrigin_~person#1); 377364#L2827 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 377365#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 385229#L2375 assume 0 == initPersonOnFloor_~floor#1; 385091#L2376 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 368169#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 379915#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 373783#L2179-2 assume { :end_inline_callOnFloor } true; 383295#L2519 assume { :end_inline_initPersonOnFloor } true; 384012#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 373456#L2819-1 assume !(0 == getOrigin_~person#1); 373457#L2823-1 assume !(1 == getOrigin_~person#1); 377975#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 379992#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 385225#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 382532#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 368305#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 384116#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 376282#L2179-5 assume { :end_inline_callOnFloor } true; 376283#L2519-1 assume { :end_inline_initPersonOnFloor } true; 382732#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 375985#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 372668#L3288 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; 372669#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 382086#L1647 assume 0 != timeShift_~tmp~14#1; 382087#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 384157#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 384263#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 382639#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 373197#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 373198#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 371452#L1937-2 [2022-07-13 04:01:59,052 INFO L754 eck$LassoCheckResult]: Loop: 371452#L1937-2 assume !false; 371453#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 373099#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 375042#L1946-2 assume !false; 374314#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 374316#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 371452#L1937-2 [2022-07-13 04:01:59,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:59,052 INFO L85 PathProgramCache]: Analyzing trace with hash 920334271, now seen corresponding path program 1 times [2022-07-13 04:01:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:59,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133790410] [2022-07-13 04:01:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:01:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:01:59,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:01:59,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133790410] [2022-07-13 04:01:59,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133790410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:01:59,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:01:59,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:01:59,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993422100] [2022-07-13 04:01:59,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:01:59,115 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:01:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:01:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 2 times [2022-07-13 04:01:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:01:59,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916890518] [2022-07-13 04:01:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:01:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:01:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:59,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:01:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:01:59,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:01:59,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:01:59,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:01:59,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:01:59,140 INFO L87 Difference]: Start difference. First operand 17404 states and 32654 transitions. cyclomatic complexity: 15284 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:01:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:01:59,670 INFO L93 Difference]: Finished difference Result 34629 states and 64981 transitions. [2022-07-13 04:01:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:01:59,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34629 states and 64981 transitions. [2022-07-13 04:01:59,838 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 7928 [2022-07-13 04:01:59,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34629 states to 34629 states and 64981 transitions. [2022-07-13 04:01:59,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34591 [2022-07-13 04:02:00,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34591 [2022-07-13 04:02:00,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34629 states and 64981 transitions. [2022-07-13 04:02:00,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:00,041 INFO L369 hiAutomatonCegarLoop]: Abstraction has 34629 states and 64981 transitions. [2022-07-13 04:02:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34629 states and 64981 transitions. [2022-07-13 04:02:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34629 to 17370. [2022-07-13 04:02:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17370 states, 17370 states have (on average 1.875993091537133) internal successors, (32586), 17369 states have internal predecessors, (32586), 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) [2022-07-13 04:02:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17370 states to 17370 states and 32586 transitions. [2022-07-13 04:02:00,608 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17370 states and 32586 transitions. [2022-07-13 04:02:00,609 INFO L374 stractBuchiCegarLoop]: Abstraction has 17370 states and 32586 transitions. [2022-07-13 04:02:00,609 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-13 04:02:00,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17370 states and 32586 transitions. [2022-07-13 04:02:00,658 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:00,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:00,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:00,659 INFO L179 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] [2022-07-13 04:02:00,659 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:00,659 INFO L752 eck$LassoCheckResult]: Stem: 431774#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 428204#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 428205#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425881#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 425882#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 437091#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 435037#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 420887#L2819 assume !(0 == getOrigin_~person#1); 420888#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 427349#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 427350#L2375 assume !(0 == initPersonOnFloor_~floor#1); 421851#L2402 assume !(1 == initPersonOnFloor_~floor#1); 421852#L2429 assume !(2 == initPersonOnFloor_~floor#1); 424751#L2456 assume 3 == initPersonOnFloor_~floor#1; 424752#L2457 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_3~0 := 1; 434161#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 431936#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 425815#L2179-2 assume { :end_inline_callOnFloor } true; 435312#L2519 assume { :end_inline_initPersonOnFloor } true; 436029#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 425488#L2819-1 assume !(0 == getOrigin_~person#1); 425489#L2823-1 assume !(1 == getOrigin_~person#1); 430001#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 432013#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 437238#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 434548#L2376-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 420341#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 436133#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 428313#L2179-5 assume { :end_inline_callOnFloor } true; 428314#L2519-1 assume { :end_inline_initPersonOnFloor } true; 434749#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 428016#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 424702#L3288 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; 424703#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 434102#L1647 assume 0 != timeShift_~tmp~14#1; 434103#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 436175#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 436279#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 434656#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 425229#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 425230#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 423487#L1937-2 [2022-07-13 04:02:00,659 INFO L754 eck$LassoCheckResult]: Loop: 423487#L1937-2 assume !false; 423488#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 425133#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 427074#L1946-2 assume !false; 426346#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 426348#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 423487#L1937-2 [2022-07-13 04:02:00,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:00,660 INFO L85 PathProgramCache]: Analyzing trace with hash -89409166, now seen corresponding path program 1 times [2022-07-13 04:02:00,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:00,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834378175] [2022-07-13 04:02:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:00,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:00,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:00,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834378175] [2022-07-13 04:02:00,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834378175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:00,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:00,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:02:00,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156174498] [2022-07-13 04:02:00,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:00,692 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:00,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:00,693 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 3 times [2022-07-13 04:02:00,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:00,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129508116] [2022-07-13 04:02:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:00,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:00,697 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:00,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:00,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:02:00,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:02:00,727 INFO L87 Difference]: Start difference. First operand 17370 states and 32586 transitions. cyclomatic complexity: 15250 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) [2022-07-13 04:02:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:01,241 INFO L93 Difference]: Finished difference Result 24290 states and 45566 transitions. [2022-07-13 04:02:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:02:01,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24290 states and 45566 transitions. [2022-07-13 04:02:01,576 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 7564 [2022-07-13 04:02:01,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24290 states to 24290 states and 45566 transitions. [2022-07-13 04:02:01,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24271 [2022-07-13 04:02:01,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24271 [2022-07-13 04:02:01,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24290 states and 45566 transitions. [2022-07-13 04:02:01,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:01,699 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24290 states and 45566 transitions. [2022-07-13 04:02:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24290 states and 45566 transitions. [2022-07-13 04:02:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24290 to 17370. [2022-07-13 04:02:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17370 states, 17370 states have (on average 1.8756476683937824) internal successors, (32580), 17369 states have internal predecessors, (32580), 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) [2022-07-13 04:02:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17370 states to 17370 states and 32580 transitions. [2022-07-13 04:02:02,000 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17370 states and 32580 transitions. [2022-07-13 04:02:02,000 INFO L374 stractBuchiCegarLoop]: Abstraction has 17370 states and 32580 transitions. [2022-07-13 04:02:02,000 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-13 04:02:02,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17370 states and 32580 transitions. [2022-07-13 04:02:02,053 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:02,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:02,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:02,054 INFO L179 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] [2022-07-13 04:02:02,054 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:02,055 INFO L752 eck$LassoCheckResult]: Stem: 473447#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 469877#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 469878#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 467552#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 467553#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 478760#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 476706#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 462560#L2819 assume !(0 == getOrigin_~person#1); 462561#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 469022#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 469023#L2375 assume !(0 == initPersonOnFloor_~floor#1); 463524#L2402 assume !(1 == initPersonOnFloor_~floor#1); 463525#L2429 assume !(2 == initPersonOnFloor_~floor#1); 466423#L2456 assume 3 == initPersonOnFloor_~floor#1; 466424#L2457 assume !(0 == initPersonOnFloor_~person#1); 478354#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 475834#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 473609#L2167 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 467488#L2179-2 assume { :end_inline_callOnFloor } true; 476983#L2519 assume { :end_inline_initPersonOnFloor } true; 477699#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 467161#L2819-1 assume !(0 == getOrigin_~person#1); 467162#L2823-1 assume !(1 == getOrigin_~person#1); 471674#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 473686#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 478912#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 476222#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 476223#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 462014#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 477803#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 469986#L2179-5 assume { :end_inline_callOnFloor } true; 469987#L2519-1 assume { :end_inline_initPersonOnFloor } true; 476422#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 469689#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 466375#L3288 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; 466376#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 475776#L1647 assume 0 != timeShift_~tmp~14#1; 475777#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 477845#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 477949#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 476329#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 466902#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 466903#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 465159#L1937-2 [2022-07-13 04:02:02,055 INFO L754 eck$LassoCheckResult]: Loop: 465159#L1937-2 assume !false; 465160#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 466804#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 468746#L1946-2 assume !false; 468019#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 468021#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 465159#L1937-2 [2022-07-13 04:02:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:02,055 INFO L85 PathProgramCache]: Analyzing trace with hash 132035382, now seen corresponding path program 1 times [2022-07-13 04:02:02,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:02,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094665061] [2022-07-13 04:02:02,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:02,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:02,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:02,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094665061] [2022-07-13 04:02:02,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094665061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:02,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:02,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:02:02,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774715257] [2022-07-13 04:02:02,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:02,094 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:02,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:02,094 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 4 times [2022-07-13 04:02:02,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:02,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471297983] [2022-07-13 04:02:02,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:02,099 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:02,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:02,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:02,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 04:02:02,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 04:02:02,119 INFO L87 Difference]: Start difference. First operand 17370 states and 32580 transitions. cyclomatic complexity: 15244 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:03,249 INFO L93 Difference]: Finished difference Result 51909 states and 97401 transitions. [2022-07-13 04:02:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:02:03,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51909 states and 97401 transitions. [2022-07-13 04:02:03,680 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 11892 [2022-07-13 04:02:03,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51909 states to 51909 states and 97401 transitions. [2022-07-13 04:02:03,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51852 [2022-07-13 04:02:03,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51852 [2022-07-13 04:02:03,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51909 states and 97401 transitions. [2022-07-13 04:02:03,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:03,882 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51909 states and 97401 transitions. [2022-07-13 04:02:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51909 states and 97401 transitions. [2022-07-13 04:02:04,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51909 to 17374. [2022-07-13 04:02:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17374 states, 17374 states have (on average 1.8753885115690112) internal successors, (32583), 17373 states have internal predecessors, (32583), 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) [2022-07-13 04:02:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17374 states to 17374 states and 32583 transitions. [2022-07-13 04:02:04,230 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17374 states and 32583 transitions. [2022-07-13 04:02:04,230 INFO L374 stractBuchiCegarLoop]: Abstraction has 17374 states and 32583 transitions. [2022-07-13 04:02:04,230 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-13 04:02:04,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17374 states and 32583 transitions. [2022-07-13 04:02:04,286 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:04,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:04,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:04,287 INFO L179 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] [2022-07-13 04:02:04,287 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:04,287 INFO L752 eck$LassoCheckResult]: Stem: 542737#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 539167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 539168#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 536841#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 536842#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 548050#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 545996#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 531848#L2819 assume !(0 == getOrigin_~person#1); 531849#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 538311#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 538312#L2375 assume !(0 == initPersonOnFloor_~floor#1); 532812#L2402 assume !(1 == initPersonOnFloor_~floor#1); 532813#L2429 assume !(2 == initPersonOnFloor_~floor#1); 535712#L2456 assume 3 == initPersonOnFloor_~floor#1; 535713#L2457 assume !(0 == initPersonOnFloor_~person#1); 547644#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 545124#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 542899#L2167 assume !(0 == callOnFloor_~floorID#1); 536776#L2170 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 536777#L2179-2 assume { :end_inline_callOnFloor } true; 546273#L2519 assume { :end_inline_initPersonOnFloor } true; 546990#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 536450#L2819-1 assume !(0 == getOrigin_~person#1); 536451#L2823-1 assume !(1 == getOrigin_~person#1); 540964#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 542976#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 548196#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 545512#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 545513#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 538489#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 547093#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 539276#L2179-5 assume { :end_inline_callOnFloor } true; 539277#L2519-1 assume { :end_inline_initPersonOnFloor } true; 545712#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 538979#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 535664#L3288 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; 535665#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 545066#L1647 assume 0 != timeShift_~tmp~14#1; 545067#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 547135#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 547239#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 545619#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 536191#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 536192#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 534448#L1937-2 [2022-07-13 04:02:04,287 INFO L754 eck$LassoCheckResult]: Loop: 534448#L1937-2 assume !false; 534449#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 536093#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 538035#L1946-2 assume !false; 537308#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 537310#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 534448#L1937-2 [2022-07-13 04:02:04,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1673489519, now seen corresponding path program 1 times [2022-07-13 04:02:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:04,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466333130] [2022-07-13 04:02:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:04,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466333130] [2022-07-13 04:02:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466333130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:04,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:04,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:02:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650710859] [2022-07-13 04:02:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:04,340 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:04,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 5 times [2022-07-13 04:02:04,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:04,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572470651] [2022-07-13 04:02:04,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:04,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:04,350 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:04,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:04,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:04,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 04:02:04,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 04:02:04,373 INFO L87 Difference]: Start difference. First operand 17374 states and 32583 transitions. cyclomatic complexity: 15243 Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:05,289 INFO L93 Difference]: Finished difference Result 51914 states and 97403 transitions. [2022-07-13 04:02:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:02:05,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51914 states and 97403 transitions. [2022-07-13 04:02:05,503 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 11892 [2022-07-13 04:02:05,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51914 states to 51914 states and 97403 transitions. [2022-07-13 04:02:05,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51857 [2022-07-13 04:02:05,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51857 [2022-07-13 04:02:05,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51914 states and 97403 transitions. [2022-07-13 04:02:05,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:05,712 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51914 states and 97403 transitions. [2022-07-13 04:02:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51914 states and 97403 transitions. [2022-07-13 04:02:06,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51914 to 17380. [2022-07-13 04:02:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17380 states, 17380 states have (on average 1.8750287686996547) internal successors, (32588), 17379 states have internal predecessors, (32588), 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) [2022-07-13 04:02:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17380 states to 17380 states and 32588 transitions. [2022-07-13 04:02:06,237 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17380 states and 32588 transitions. [2022-07-13 04:02:06,238 INFO L374 stractBuchiCegarLoop]: Abstraction has 17380 states and 32588 transitions. [2022-07-13 04:02:06,238 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-13 04:02:06,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17380 states and 32588 transitions. [2022-07-13 04:02:06,276 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:06,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:06,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:06,277 INFO L179 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] [2022-07-13 04:02:06,277 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:06,277 INFO L752 eck$LassoCheckResult]: Stem: 612035#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 608464#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 608465#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 606138#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 606139#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 617349#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 615295#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 601145#L2819 assume !(0 == getOrigin_~person#1); 601146#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 607608#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 607609#L2375 assume !(0 == initPersonOnFloor_~floor#1); 602110#L2402 assume !(1 == initPersonOnFloor_~floor#1); 602111#L2429 assume !(2 == initPersonOnFloor_~floor#1); 605010#L2456 assume 3 == initPersonOnFloor_~floor#1; 605011#L2457 assume !(0 == initPersonOnFloor_~person#1); 616943#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 614423#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 612197#L2167 assume !(0 == callOnFloor_~floorID#1); 606074#L2170 assume !(1 == callOnFloor_~floorID#1); 606075#L2173 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 613138#L2179-2 assume { :end_inline_callOnFloor } true; 615572#L2519 assume { :end_inline_initPersonOnFloor } true; 616288#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 605748#L2819-1 assume !(0 == getOrigin_~person#1); 605749#L2823-1 assume !(1 == getOrigin_~person#1); 610262#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 612274#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 617497#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 614811#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 614812#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 607786#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 617504#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 608573#L2179-5 assume { :end_inline_callOnFloor } true; 608574#L2519-1 assume { :end_inline_initPersonOnFloor } true; 615011#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 608276#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 604962#L3288 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; 604963#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 614365#L1647 assume 0 != timeShift_~tmp~14#1; 614366#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 616433#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 616538#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 614918#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 605489#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 605490#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 603746#L1937-2 [2022-07-13 04:02:06,277 INFO L754 eck$LassoCheckResult]: Loop: 603746#L1937-2 assume !false; 603747#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 605391#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 607332#L1946-2 assume !false; 606605#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 606607#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 603746#L1937-2 [2022-07-13 04:02:06,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:06,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1655087567, now seen corresponding path program 1 times [2022-07-13 04:02:06,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:06,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653674108] [2022-07-13 04:02:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:06,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:06,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653674108] [2022-07-13 04:02:06,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653674108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:06,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:06,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:02:06,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403059597] [2022-07-13 04:02:06,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:06,302 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:06,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 6 times [2022-07-13 04:02:06,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:06,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593746503] [2022-07-13 04:02:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:06,305 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:06,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:06,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:06,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 04:02:06,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 04:02:06,320 INFO L87 Difference]: Start difference. First operand 17380 states and 32588 transitions. cyclomatic complexity: 15242 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) [2022-07-13 04:02:07,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:07,112 INFO L93 Difference]: Finished difference Result 51921 states and 97407 transitions. [2022-07-13 04:02:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:02:07,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51921 states and 97407 transitions. [2022-07-13 04:02:07,312 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 11892 [2022-07-13 04:02:07,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51921 states to 51921 states and 97407 transitions. [2022-07-13 04:02:07,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51864 [2022-07-13 04:02:07,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51864 [2022-07-13 04:02:07,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51921 states and 97407 transitions. [2022-07-13 04:02:07,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:07,564 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51921 states and 97407 transitions. [2022-07-13 04:02:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51921 states and 97407 transitions. [2022-07-13 04:02:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51921 to 17388. [2022-07-13 04:02:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17388 states, 17388 states have (on average 1.874568668046929) internal successors, (32595), 17387 states have internal predecessors, (32595), 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) [2022-07-13 04:02:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17388 states to 17388 states and 32595 transitions. [2022-07-13 04:02:08,107 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17388 states and 32595 transitions. [2022-07-13 04:02:08,107 INFO L374 stractBuchiCegarLoop]: Abstraction has 17388 states and 32595 transitions. [2022-07-13 04:02:08,107 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-13 04:02:08,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17388 states and 32595 transitions. [2022-07-13 04:02:08,174 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:08,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:08,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:08,175 INFO L179 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] [2022-07-13 04:02:08,175 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:08,175 INFO L752 eck$LassoCheckResult]: Stem: 681347#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 677774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 677775#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 675450#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 675451#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 686663#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 684608#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 670455#L2819 assume !(0 == getOrigin_~person#1); 670456#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 676918#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 676919#L2375 assume !(0 == initPersonOnFloor_~floor#1); 671420#L2402 assume !(1 == initPersonOnFloor_~floor#1); 671421#L2429 assume !(2 == initPersonOnFloor_~floor#1); 674320#L2456 assume 3 == initPersonOnFloor_~floor#1; 674321#L2457 assume !(0 == initPersonOnFloor_~person#1); 686257#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 683736#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 681509#L2167 assume !(0 == callOnFloor_~floorID#1); 675384#L2170 assume !(1 == callOnFloor_~floorID#1); 675385#L2173 assume !(2 == callOnFloor_~floorID#1); 684397#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 682450#L2179-2 assume { :end_inline_callOnFloor } true; 684885#L2519 assume { :end_inline_initPersonOnFloor } true; 685603#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 675058#L2819-1 assume !(0 == getOrigin_~person#1); 675059#L2823-1 assume !(1 == getOrigin_~person#1); 679573#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 681586#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 686809#L2375-1 assume 0 == initPersonOnFloor_~floor#1; 684124#L2376-2 assume !(0 == initPersonOnFloor_~person#1); 684125#L2379-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_0~0 := 1; 677096#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 686820#L2167-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 677883#L2179-5 assume { :end_inline_callOnFloor } true; 677884#L2519-1 assume { :end_inline_initPersonOnFloor } true; 684324#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 677586#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 674272#L3288 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; 674273#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 683678#L1647 assume 0 != timeShift_~tmp~14#1; 683679#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 685748#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 685852#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 684231#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 674799#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 674800#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 673055#L1937-2 [2022-07-13 04:02:08,176 INFO L754 eck$LassoCheckResult]: Loop: 673055#L1937-2 assume !false; 673056#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 674701#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 676643#L1946-2 assume !false; 675915#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 675917#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 673055#L1937-2 [2022-07-13 04:02:08,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:08,176 INFO L85 PathProgramCache]: Analyzing trace with hash -929528020, now seen corresponding path program 1 times [2022-07-13 04:02:08,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:08,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349230036] [2022-07-13 04:02:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:08,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:08,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:08,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349230036] [2022-07-13 04:02:08,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349230036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:08,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:08,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:02:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137402932] [2022-07-13 04:02:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:08,214 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:08,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 7 times [2022-07-13 04:02:08,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:08,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189206051] [2022-07-13 04:02:08,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:08,217 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:08,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:08,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:08,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:02:08,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:02:08,234 INFO L87 Difference]: Start difference. First operand 17388 states and 32595 transitions. cyclomatic complexity: 15241 Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:08,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:08,984 INFO L93 Difference]: Finished difference Result 38204 states and 71648 transitions. [2022-07-13 04:02:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 04:02:08,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38204 states and 71648 transitions. [2022-07-13 04:02:09,351 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 14764 [2022-07-13 04:02:09,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38204 states to 38204 states and 71648 transitions. [2022-07-13 04:02:09,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38185 [2022-07-13 04:02:09,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38185 [2022-07-13 04:02:09,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38204 states and 71648 transitions. [2022-07-13 04:02:09,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:09,491 INFO L369 hiAutomatonCegarLoop]: Abstraction has 38204 states and 71648 transitions. [2022-07-13 04:02:09,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38204 states and 71648 transitions. [2022-07-13 04:02:09,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38204 to 17374. [2022-07-13 04:02:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17374 states, 17374 states have (on average 1.8745827097962473) internal successors, (32569), 17373 states have internal predecessors, (32569), 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) [2022-07-13 04:02:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17374 states to 17374 states and 32569 transitions. [2022-07-13 04:02:09,749 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17374 states and 32569 transitions. [2022-07-13 04:02:09,749 INFO L374 stractBuchiCegarLoop]: Abstraction has 17374 states and 32569 transitions. [2022-07-13 04:02:09,749 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-13 04:02:09,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17374 states and 32569 transitions. [2022-07-13 04:02:09,793 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:09,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:09,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:09,793 INFO L179 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] [2022-07-13 04:02:09,794 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:09,794 INFO L752 eck$LassoCheckResult]: Stem: 736951#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 733381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 733382#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 731057#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 731058#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 742263#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 740208#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 726063#L2819 assume !(0 == getOrigin_~person#1); 726064#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 732527#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 732528#L2375 assume !(0 == initPersonOnFloor_~floor#1); 727028#L2402 assume !(1 == initPersonOnFloor_~floor#1); 727029#L2429 assume !(2 == initPersonOnFloor_~floor#1); 729929#L2456 assume 3 == initPersonOnFloor_~floor#1; 729930#L2457 assume !(0 == initPersonOnFloor_~person#1); 741856#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 739336#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 737112#L2167 assume !(0 == callOnFloor_~floorID#1); 730993#L2170 assume !(1 == callOnFloor_~floorID#1); 730994#L2173 assume !(2 == callOnFloor_~floorID#1); 739995#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 738052#L2179-2 assume { :end_inline_callOnFloor } true; 740485#L2519 assume { :end_inline_initPersonOnFloor } true; 741200#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 730667#L2819-1 assume !(0 == getOrigin_~person#1); 730668#L2823-1 assume !(1 == getOrigin_~person#1); 735178#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 737189#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 737067#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 732913#L2402-1 assume 1 == initPersonOnFloor_~floor#1; 732914#L2403-2 assume !(0 == initPersonOnFloor_~person#1); 733510#L2406-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 726607#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 742409#L2167-2 assume !(0 == callOnFloor_~floorID#1); 742407#L2170-2 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 733490#L2179-5 assume { :end_inline_callOnFloor } true; 733491#L2519-1 assume { :end_inline_initPersonOnFloor } true; 739922#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 733193#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 729881#L3288 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; 729882#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 739278#L1647 assume 0 != timeShift_~tmp~14#1; 739279#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 741347#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 741451#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 739829#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 730408#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 730409#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 728664#L1937-2 [2022-07-13 04:02:09,794 INFO L754 eck$LassoCheckResult]: Loop: 728664#L1937-2 assume !false; 728665#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 730310#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 732251#L1946-2 assume !false; 731524#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 731526#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 728664#L1937-2 [2022-07-13 04:02:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash 897706626, now seen corresponding path program 1 times [2022-07-13 04:02:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:09,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71892481] [2022-07-13 04:02:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:09,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:09,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71892481] [2022-07-13 04:02:09,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71892481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:09,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:09,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:02:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702445219] [2022-07-13 04:02:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:09,842 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:09,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 8 times [2022-07-13 04:02:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:09,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940754731] [2022-07-13 04:02:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:09,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:09,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:09,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:09,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:02:09,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:02:09,874 INFO L87 Difference]: Start difference. First operand 17374 states and 32569 transitions. cyclomatic complexity: 15229 Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:10,734 INFO L93 Difference]: Finished difference Result 38178 states and 71599 transitions. [2022-07-13 04:02:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 04:02:10,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38178 states and 71599 transitions. [2022-07-13 04:02:10,921 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 14764 [2022-07-13 04:02:11,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38178 states to 38178 states and 71599 transitions. [2022-07-13 04:02:11,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38159 [2022-07-13 04:02:11,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38159 [2022-07-13 04:02:11,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38178 states and 71599 transitions. [2022-07-13 04:02:11,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:11,083 INFO L369 hiAutomatonCegarLoop]: Abstraction has 38178 states and 71599 transitions. [2022-07-13 04:02:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38178 states and 71599 transitions. [2022-07-13 04:02:11,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38178 to 17368. [2022-07-13 04:02:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17368 states, 17368 states have (on average 1.8744818056195303) internal successors, (32556), 17367 states have internal predecessors, (32556), 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) [2022-07-13 04:02:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17368 states to 17368 states and 32556 transitions. [2022-07-13 04:02:11,421 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17368 states and 32556 transitions. [2022-07-13 04:02:11,421 INFO L374 stractBuchiCegarLoop]: Abstraction has 17368 states and 32556 transitions. [2022-07-13 04:02:11,421 INFO L287 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-13 04:02:11,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17368 states and 32556 transitions. [2022-07-13 04:02:11,566 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:11,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:11,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:11,567 INFO L179 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] [2022-07-13 04:02:11,567 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:11,567 INFO L752 eck$LassoCheckResult]: Stem: 792512#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 788944#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 788945#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 786620#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 786621#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 797826#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 795772#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 781631#L2819 assume !(0 == getOrigin_~person#1); 781632#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 788090#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 788091#L2375 assume !(0 == initPersonOnFloor_~floor#1); 782593#L2402 assume !(1 == initPersonOnFloor_~floor#1); 782594#L2429 assume !(2 == initPersonOnFloor_~floor#1); 785492#L2456 assume 3 == initPersonOnFloor_~floor#1; 785493#L2457 assume !(0 == initPersonOnFloor_~person#1); 797420#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 794900#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 792673#L2167 assume !(0 == callOnFloor_~floorID#1); 786556#L2170 assume !(1 == callOnFloor_~floorID#1); 786557#L2173 assume !(2 == callOnFloor_~floorID#1); 795559#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 793613#L2179-2 assume { :end_inline_callOnFloor } true; 796049#L2519 assume { :end_inline_initPersonOnFloor } true; 796765#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 786230#L2819-1 assume !(0 == getOrigin_~person#1); 786231#L2823-1 assume !(1 == getOrigin_~person#1); 790739#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 792750#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 792628#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 788475#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 788476#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 785067#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 785068#L2433-2 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_2~0 := 1; 781085#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 796869#L2167-2 assume !(0 == callOnFloor_~floorID#1); 797974#L2170-2 assume !(1 == callOnFloor_~floorID#1); 797973#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 789053#L2179-5 assume { :end_inline_callOnFloor } true; 789054#L2519-1 assume { :end_inline_initPersonOnFloor } true; 795486#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 788756#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 785444#L3288 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; 785445#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 794842#L1647 assume 0 != timeShift_~tmp~14#1; 794843#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 796910#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 797015#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 795393#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 785971#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 785972#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 784229#L1937-2 [2022-07-13 04:02:11,567 INFO L754 eck$LassoCheckResult]: Loop: 784229#L1937-2 assume !false; 784230#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 785873#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 787814#L1946-2 assume !false; 787087#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 787089#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 784229#L1937-2 [2022-07-13 04:02:11,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1058059427, now seen corresponding path program 1 times [2022-07-13 04:02:11,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:11,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287286042] [2022-07-13 04:02:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:11,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:11,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287286042] [2022-07-13 04:02:11,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287286042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:11,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:11,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:02:11,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022772872] [2022-07-13 04:02:11,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:11,627 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:11,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 9 times [2022-07-13 04:02:11,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:11,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337683060] [2022-07-13 04:02:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:11,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:11,632 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:11,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:11,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 04:02:11,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 04:02:11,654 INFO L87 Difference]: Start difference. First operand 17368 states and 32556 transitions. cyclomatic complexity: 15222 Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:12,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:12,109 INFO L93 Difference]: Finished difference Result 24329 states and 45593 transitions. [2022-07-13 04:02:12,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:02:12,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24329 states and 45593 transitions. [2022-07-13 04:02:12,224 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 7564 [2022-07-13 04:02:12,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24329 states to 24329 states and 45593 transitions. [2022-07-13 04:02:12,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24310 [2022-07-13 04:02:12,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24310 [2022-07-13 04:02:12,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24329 states and 45593 transitions. [2022-07-13 04:02:12,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:12,340 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24329 states and 45593 transitions. [2022-07-13 04:02:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24329 states and 45593 transitions. [2022-07-13 04:02:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24329 to 17368. [2022-07-13 04:02:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17368 states, 17368 states have (on average 1.8740211883924458) internal successors, (32548), 17367 states have internal predecessors, (32548), 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) [2022-07-13 04:02:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17368 states to 17368 states and 32548 transitions. [2022-07-13 04:02:12,624 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17368 states and 32548 transitions. [2022-07-13 04:02:12,624 INFO L374 stractBuchiCegarLoop]: Abstraction has 17368 states and 32548 transitions. [2022-07-13 04:02:12,624 INFO L287 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-13 04:02:12,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17368 states and 32548 transitions. [2022-07-13 04:02:12,671 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 3964 [2022-07-13 04:02:12,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:12,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:12,675 INFO L179 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] [2022-07-13 04:02:12,675 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:12,675 INFO L752 eck$LassoCheckResult]: Stem: 834220#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 830650#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 830651#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 828326#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 828327#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 839528#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 837475#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 823338#L2819 assume !(0 == getOrigin_~person#1); 823339#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 829796#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 829797#L2375 assume !(0 == initPersonOnFloor_~floor#1); 824300#L2402 assume !(1 == initPersonOnFloor_~floor#1); 824301#L2429 assume !(2 == initPersonOnFloor_~floor#1); 827198#L2456 assume 3 == initPersonOnFloor_~floor#1; 827199#L2457 assume !(0 == initPersonOnFloor_~person#1); 839122#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 836606#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 834381#L2167 assume !(0 == callOnFloor_~floorID#1); 828262#L2170 assume !(1 == callOnFloor_~floorID#1); 828263#L2173 assume !(2 == callOnFloor_~floorID#1); 837264#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 835321#L2179-2 assume { :end_inline_callOnFloor } true; 837752#L2519 assume { :end_inline_initPersonOnFloor } true; 838467#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 827936#L2819-1 assume !(0 == getOrigin_~person#1); 827937#L2823-1 assume !(1 == getOrigin_~person#1); 832447#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 834458#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 834336#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 830183#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 830184#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 826773#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 826774#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 834330#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 822792#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 839680#L2167-2 assume !(0 == callOnFloor_~floorID#1); 839679#L2170-2 assume !(1 == callOnFloor_~floorID#1); 839678#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 830759#L2179-5 assume { :end_inline_callOnFloor } true; 830760#L2519-1 assume { :end_inline_initPersonOnFloor } true; 837191#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 830462#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 827150#L3288 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; 827151#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 836548#L1647 assume 0 != timeShift_~tmp~14#1; 836549#L1648 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 838613#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 838717#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 837098#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 827677#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 827678#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 825935#L1937-2 [2022-07-13 04:02:12,675 INFO L754 eck$LassoCheckResult]: Loop: 825935#L1937-2 assume !false; 825936#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 827579#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 829520#L1946-2 assume !false; 828793#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 828795#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 825935#L1937-2 [2022-07-13 04:02:12,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1946841046, now seen corresponding path program 1 times [2022-07-13 04:02:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:12,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747472037] [2022-07-13 04:02:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:12,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:12,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747472037] [2022-07-13 04:02:12,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747472037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:12,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:12,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 04:02:12,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807579183] [2022-07-13 04:02:12,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:12,774 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 10 times [2022-07-13 04:02:12,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:12,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859925814] [2022-07-13 04:02:12,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:12,778 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:12,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:12,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:02:12,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:02:12,793 INFO L87 Difference]: Start difference. First operand 17368 states and 32548 transitions. cyclomatic complexity: 15214 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:13,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:13,505 INFO L93 Difference]: Finished difference Result 32858 states and 61690 transitions. [2022-07-13 04:02:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:02:13,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32858 states and 61690 transitions. [2022-07-13 04:02:13,646 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 6896 [2022-07-13 04:02:13,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32858 states to 32858 states and 61690 transitions. [2022-07-13 04:02:13,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32820 [2022-07-13 04:02:13,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32820 [2022-07-13 04:02:13,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32858 states and 61690 transitions. [2022-07-13 04:02:13,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:13,809 INFO L369 hiAutomatonCegarLoop]: Abstraction has 32858 states and 61690 transitions. [2022-07-13 04:02:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32858 states and 61690 transitions. [2022-07-13 04:02:14,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32858 to 27846. [2022-07-13 04:02:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27846 states, 27846 states have (on average 1.8746678158442864) internal successors, (52202), 27845 states have internal predecessors, (52202), 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) [2022-07-13 04:02:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27846 states to 27846 states and 52202 transitions. [2022-07-13 04:02:14,220 INFO L392 hiAutomatonCegarLoop]: Abstraction has 27846 states and 52202 transitions. [2022-07-13 04:02:14,220 INFO L374 stractBuchiCegarLoop]: Abstraction has 27846 states and 52202 transitions. [2022-07-13 04:02:14,220 INFO L287 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-13 04:02:14,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27846 states and 52202 transitions. [2022-07-13 04:02:14,361 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 6896 [2022-07-13 04:02:14,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:14,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:14,362 INFO L179 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] [2022-07-13 04:02:14,362 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:14,363 INFO L752 eck$LassoCheckResult]: Stem: 884678#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 880978#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 880979#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 878604#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 878605#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 890707#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 888197#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 873571#L2819 assume !(0 == getOrigin_~person#1); 873572#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 880097#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 880098#L2375 assume !(0 == initPersonOnFloor_~floor#1); 874539#L2402 assume !(1 == initPersonOnFloor_~floor#1); 874540#L2429 assume !(2 == initPersonOnFloor_~floor#1); 877463#L2456 assume 3 == initPersonOnFloor_~floor#1; 877464#L2457 assume !(0 == initPersonOnFloor_~person#1); 890120#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 887235#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 884850#L2167 assume !(0 == callOnFloor_~floorID#1); 878538#L2170 assume !(1 == callOnFloor_~floorID#1); 878539#L2173 assume !(2 == callOnFloor_~floorID#1); 887959#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 885848#L2179-2 assume { :end_inline_callOnFloor } true; 888510#L2519 assume { :end_inline_initPersonOnFloor } true; 889335#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 878209#L2819-1 assume !(0 == getOrigin_~person#1); 878210#L2823-1 assume !(1 == getOrigin_~person#1); 882829#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 884932#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 884801#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 880497#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 880498#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 877034#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 877035#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 884797#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 873024#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 890962#L2167-2 assume !(0 == callOnFloor_~floorID#1); 890961#L2170-2 assume !(1 == callOnFloor_~floorID#1); 890960#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 881090#L2179-5 assume { :end_inline_callOnFloor } true; 881091#L2519-1 assume { :end_inline_initPersonOnFloor } true; 887879#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 880780#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 877413#L3288 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; 877414#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 887168#L1647 assume !(0 != timeShift_~tmp~14#1);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 883250#L1367-1 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#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; 883251#L686-1 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 889160#L703-2 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 873360#L724-2 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 884714#L1378-1 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 878061#L1514-2 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 878062#L1605-3 assume !(1 == ~doorState~0); 879932#L1605-5 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 883295#L1270-2 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 876441#L1291-2 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 889647#L1243-2 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 877690#L890-8 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 877691#L1059-8 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 874209#L1212-8 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 874210#L1261-2 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 884031#L1613-2 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 882588#L1305-3 assume !(1 == ~currentHeading~0); 882590#L1315-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 874120#L1315-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 887122#L1321-7 assume { :end_inline_continueInDirection } true; 874176#L1622-5 assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 889509#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 890914#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 891117#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 877948#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 877949#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 892147#L1937-2 [2022-07-13 04:02:14,364 INFO L754 eck$LassoCheckResult]: Loop: 892147#L1937-2 assume !false; 892146#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 888711#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 879816#L1946-2 assume !false; 892144#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 892145#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 892147#L1937-2 [2022-07-13 04:02:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1502347685, now seen corresponding path program 1 times [2022-07-13 04:02:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:14,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017250838] [2022-07-13 04:02:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:14,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:14,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017250838] [2022-07-13 04:02:14,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017250838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:14,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:14,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 04:02:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041848749] [2022-07-13 04:02:14,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:14,433 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:14,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:14,434 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 11 times [2022-07-13 04:02:14,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:14,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752345274] [2022-07-13 04:02:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:14,437 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:14,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:14,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:14,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 04:02:14,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-13 04:02:14,455 INFO L87 Difference]: Start difference. First operand 27846 states and 52202 transitions. cyclomatic complexity: 24424 Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:15,493 INFO L93 Difference]: Finished difference Result 47140 states and 86966 transitions. [2022-07-13 04:02:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 04:02:15,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47140 states and 86966 transitions. [2022-07-13 04:02:15,677 INFO L131 ngComponentsAnalysis]: Automaton has 332 accepting balls. 17214 [2022-07-13 04:02:15,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47140 states to 47140 states and 86966 transitions. [2022-07-13 04:02:15,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47083 [2022-07-13 04:02:15,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47083 [2022-07-13 04:02:15,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47140 states and 86966 transitions. [2022-07-13 04:02:15,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:15,894 INFO L369 hiAutomatonCegarLoop]: Abstraction has 47140 states and 86966 transitions. [2022-07-13 04:02:15,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47140 states and 86966 transitions. [2022-07-13 04:02:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47140 to 26933. [2022-07-13 04:02:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26933 states, 26933 states have (on average 1.8600230200868824) internal successors, (50096), 26932 states have internal predecessors, (50096), 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) [2022-07-13 04:02:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26933 states to 26933 states and 50096 transitions. [2022-07-13 04:02:16,376 INFO L392 hiAutomatonCegarLoop]: Abstraction has 26933 states and 50096 transitions. [2022-07-13 04:02:16,376 INFO L374 stractBuchiCegarLoop]: Abstraction has 26933 states and 50096 transitions. [2022-07-13 04:02:16,376 INFO L287 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-07-13 04:02:16,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26933 states and 50096 transitions. [2022-07-13 04:02:16,541 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 8204 [2022-07-13 04:02:16,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:16,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:16,542 INFO L179 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] [2022-07-13 04:02:16,542 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:16,543 INFO L752 eck$LassoCheckResult]: Stem: 958827#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 955278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 955279#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 953070#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 953071#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 964853#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 962254#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 948501#L2819 assume !(0 == getOrigin_~person#1); 948502#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 954453#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 954454#L2375 assume !(0 == initPersonOnFloor_~floor#1); 949370#L2402 assume !(1 == initPersonOnFloor_~floor#1); 949371#L2429 assume !(2 == initPersonOnFloor_~floor#1); 952023#L2456 assume 3 == initPersonOnFloor_~floor#1; 952024#L2457 assume !(0 == initPersonOnFloor_~person#1); 964198#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 961296#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 958997#L2167 assume !(0 == callOnFloor_~floorID#1); 953008#L2170 assume !(1 == callOnFloor_~floorID#1); 953009#L2173 assume !(2 == callOnFloor_~floorID#1); 962021#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 959946#L2179-2 assume { :end_inline_callOnFloor } true; 962560#L2519 assume { :end_inline_initPersonOnFloor } true; 963398#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 952699#L2819-1 assume !(0 == getOrigin_~person#1); 952700#L2823-1 assume !(1 == getOrigin_~person#1); 957048#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 959074#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 958954#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 954844#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 954845#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 951634#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 951635#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 958949#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 948006#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 965436#L2167-2 assume !(0 == callOnFloor_~floorID#1); 965435#L2170-2 assume !(1 == callOnFloor_~floorID#1); 965434#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 955379#L2179-5 assume { :end_inline_callOnFloor } true; 955380#L2519-1 assume { :end_inline_initPersonOnFloor } true; 961942#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 955098#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 951975#L3288 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; 951976#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 961231#L1647 assume 0 != timeShift_~tmp~14#1; 961232#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 962955#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#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; 962956#L686 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 960207#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 947987#L724 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 954786#L1378 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 950882#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 950884#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 957318#L1605-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 957319#L1270 assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 951733#L1291 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 951734#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 949986#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 949987#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 950208#L1212-2 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 956093#L1261 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 964576#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 962158#L1305 assume !(1 == ~currentHeading~0); 949427#L1315 assume !(0 == ~currentFloorID~0); 949428#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 957871#L1321-1 assume { :end_inline_continueInDirection } true; 952419#L1622-2 assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 965276#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 965262#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 965263#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 965281#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 965396#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 965394#L1937-2 [2022-07-13 04:02:16,543 INFO L754 eck$LassoCheckResult]: Loop: 965394#L1937-2 assume !false; 965392#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 965390#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 965389#L1946-2 assume !false; 965387#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 965388#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 965394#L1937-2 [2022-07-13 04:02:16,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:16,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1647903435, now seen corresponding path program 1 times [2022-07-13 04:02:16,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:16,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174728353] [2022-07-13 04:02:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:16,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:16,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174728353] [2022-07-13 04:02:16,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174728353] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:16,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:16,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 04:02:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177591892] [2022-07-13 04:02:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:16,594 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:16,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 12 times [2022-07-13 04:02:16,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:16,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184446863] [2022-07-13 04:02:16,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:16,601 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:16,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:16,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:02:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:02:16,625 INFO L87 Difference]: Start difference. First operand 26933 states and 50096 transitions. cyclomatic complexity: 23288 Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:17,559 INFO L93 Difference]: Finished difference Result 41173 states and 76235 transitions. [2022-07-13 04:02:17,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:02:17,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41173 states and 76235 transitions. [2022-07-13 04:02:17,749 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12623 [2022-07-13 04:02:17,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41173 states to 41173 states and 76235 transitions. [2022-07-13 04:02:17,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41098 [2022-07-13 04:02:17,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41098 [2022-07-13 04:02:17,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41173 states and 76235 transitions. [2022-07-13 04:02:17,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:17,958 INFO L369 hiAutomatonCegarLoop]: Abstraction has 41173 states and 76235 transitions. [2022-07-13 04:02:17,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41173 states and 76235 transitions. [2022-07-13 04:02:18,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41173 to 41172. [2022-07-13 04:02:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41172 states, 41172 states have (on average 1.8515981735159817) internal successors, (76234), 41171 states have internal predecessors, (76234), 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) [2022-07-13 04:02:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41172 states to 41172 states and 76234 transitions. [2022-07-13 04:02:18,731 INFO L392 hiAutomatonCegarLoop]: Abstraction has 41172 states and 76234 transitions. [2022-07-13 04:02:18,731 INFO L374 stractBuchiCegarLoop]: Abstraction has 41172 states and 76234 transitions. [2022-07-13 04:02:18,731 INFO L287 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-07-13 04:02:18,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41172 states and 76234 transitions. [2022-07-13 04:02:18,846 INFO L131 ngComponentsAnalysis]: Automaton has 178 accepting balls. 12623 [2022-07-13 04:02:18,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:18,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:18,850 INFO L179 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] [2022-07-13 04:02:18,850 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:18,850 INFO L752 eck$LassoCheckResult]: Stem: 1026711#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 1023299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 1023300#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1021123#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 1021124#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 1032183#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 1029907#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 1016608#L2819 assume !(0 == getOrigin_~person#1); 1016609#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1022486#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 1022487#L2375 assume !(0 == initPersonOnFloor_~floor#1); 1017470#L2402 assume !(1 == initPersonOnFloor_~floor#1); 1017471#L2429 assume !(2 == initPersonOnFloor_~floor#1); 1020097#L2456 assume 3 == initPersonOnFloor_~floor#1; 1020098#L2457 assume !(0 == initPersonOnFloor_~person#1); 1031657#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 1029016#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1026866#L2167 assume !(0 == callOnFloor_~floorID#1); 1021061#L2170 assume !(1 == callOnFloor_~floorID#1); 1021062#L2173 assume !(2 == callOnFloor_~floorID#1); 1029688#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 1027764#L2179-2 assume { :end_inline_callOnFloor } true; 1030192#L2519 assume { :end_inline_initPersonOnFloor } true; 1030943#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 1020757#L2819-1 assume !(0 == getOrigin_~person#1); 1020758#L2823-1 assume !(1 == getOrigin_~person#1); 1025006#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1026943#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 1026825#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 1022867#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 1022868#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 1019714#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 1019715#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 1026821#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 1016116#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1032641#L2167-2 assume !(0 == callOnFloor_~floorID#1); 1032640#L2170-2 assume !(1 == callOnFloor_~floorID#1); 1032639#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 1023399#L2179-5 assume { :end_inline_callOnFloor } true; 1023400#L2519-1 assume { :end_inline_initPersonOnFloor } true; 1029614#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 1023121#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 1020049#L3288 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; 1020050#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 1028959#L1647 assume 0 != timeShift_~tmp~14#1; 1028960#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 1030547#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#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; 1030548#L686 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 1028002#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 1016100#L724 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1022807#L1378 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 1018968#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 1018970#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 1025267#L1605-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 1025268#L1270 assume !(0 != ~floorButtons_0~0); 1026196#L1274 assume 0 != ~floorButtons_1~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 1019812#L1291 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 1019813#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 1018081#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 1018082#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 1018301#L1212-2 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 1024083#L1261 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 1031949#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 1029821#L1305 assume !(1 == ~currentHeading~0); 1017527#L1315 assume !(0 == ~currentFloorID~0); 1017528#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1025801#L1321-1 assume { :end_inline_continueInDirection } true; 1020482#L1622-2 assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 1032483#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 1032469#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 1032470#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 1032488#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 1032604#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 1032601#L1937-2 [2022-07-13 04:02:18,850 INFO L754 eck$LassoCheckResult]: Loop: 1032601#L1937-2 assume !false; 1032598#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 1032596#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 1032595#L1946-2 assume !false; 1032593#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 1032594#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 1032601#L1937-2 [2022-07-13 04:02:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1142994221, now seen corresponding path program 1 times [2022-07-13 04:02:18,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:18,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104201658] [2022-07-13 04:02:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:18,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104201658] [2022-07-13 04:02:18,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104201658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:18,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:18,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 04:02:18,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623757644] [2022-07-13 04:02:18,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:18,909 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 13 times [2022-07-13 04:02:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:18,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272114423] [2022-07-13 04:02:18,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:18,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:18,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:18,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:18,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:02:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:02:18,936 INFO L87 Difference]: Start difference. First operand 41172 states and 76234 transitions. cyclomatic complexity: 35244 Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:19,877 INFO L93 Difference]: Finished difference Result 69461 states and 128203 transitions. [2022-07-13 04:02:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:02:19,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69461 states and 128203 transitions. [2022-07-13 04:02:20,519 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21425 [2022-07-13 04:02:20,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69461 states to 69461 states and 128203 transitions. [2022-07-13 04:02:20,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69352 [2022-07-13 04:02:20,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69352 [2022-07-13 04:02:20,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69461 states and 128203 transitions. [2022-07-13 04:02:20,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:20,815 INFO L369 hiAutomatonCegarLoop]: Abstraction has 69461 states and 128203 transitions. [2022-07-13 04:02:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69461 states and 128203 transitions. [2022-07-13 04:02:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69461 to 69459. [2022-07-13 04:02:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69459 states, 69459 states have (on average 1.845707539699679) internal successors, (128201), 69458 states have internal predecessors, (128201), 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) [2022-07-13 04:02:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69459 states to 69459 states and 128201 transitions. [2022-07-13 04:02:22,060 INFO L392 hiAutomatonCegarLoop]: Abstraction has 69459 states and 128201 transitions. [2022-07-13 04:02:22,060 INFO L374 stractBuchiCegarLoop]: Abstraction has 69459 states and 128201 transitions. [2022-07-13 04:02:22,060 INFO L287 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-07-13 04:02:22,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69459 states and 128201 transitions. [2022-07-13 04:02:22,263 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 21425 [2022-07-13 04:02:22,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:02:22,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:02:22,264 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:02:22,264 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 04:02:22,264 INFO L752 eck$LassoCheckResult]: Stem: 1137286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~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;~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;~cleanupTimeShifts~0 := 12;~prevDir~0 := 0; 1133901#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~27#1, main_~tmp~27#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 1133902#L2919 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1131750#L2912 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1; 1131751#L2927 main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 1142636#L3266 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 1140430#L3243 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret117#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 1127246#L2819 assume !(0 == getOrigin_~person#1); 1127247#L2823 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1133110#L2844 aliceCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret117#1;havoc aliceCall_#t~ret117#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; 1133111#L2375 assume !(0 == initPersonOnFloor_~floor#1); 1128106#L2402 assume !(1 == initPersonOnFloor_~floor#1); 1128107#L2429 assume !(2 == initPersonOnFloor_~floor#1); 1130723#L2456 assume 3 == initPersonOnFloor_~floor#1; 1130724#L2457 assume !(0 == initPersonOnFloor_~person#1); 1142121#L2460 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_3~0 := 1; 1139551#L2483-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1137441#L2167 assume !(0 == callOnFloor_~floorID#1); 1131691#L2170 assume !(1 == callOnFloor_~floorID#1); 1131692#L2173 assume !(2 == callOnFloor_~floorID#1); 1140215#L2176 assume 3 == callOnFloor_~floorID#1;~calls_3~0 := 1; 1138321#L2179-2 assume { :end_inline_callOnFloor } true; 1140699#L2519 assume { :end_inline_initPersonOnFloor } true; 1141435#L3004 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#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~22#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~22#1; 1131383#L2819-1 assume !(0 == getOrigin_~person#1); 1131384#L2823-1 assume !(1 == getOrigin_~person#1); 1135596#L2827-1 assume 2 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 2;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1137514#L2844-1 angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#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; 1137400#L2375-1 assume !(0 == initPersonOnFloor_~floor#1); 1133474#L2402-1 assume !(1 == initPersonOnFloor_~floor#1); 1133475#L2429-1 assume 2 == initPersonOnFloor_~floor#1; 1130346#L2430-2 assume !(0 == initPersonOnFloor_~person#1); 1130347#L2433-2 assume !(1 == initPersonOnFloor_~person#1); 1137394#L2436-2 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_2~0 := 1; 1126755#L2483-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1143046#L2167-2 assume !(0 == callOnFloor_~floorID#1); 1143045#L2170-2 assume !(1 == callOnFloor_~floorID#1); 1143044#L2173-2 assume 2 == callOnFloor_~floorID#1;~calls_2~0 := 1; 1134003#L2179-5 assume { :end_inline_callOnFloor } true; 1134004#L2519-1 assume { :end_inline_initPersonOnFloor } true; 1140140#L3015 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret79#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret129#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; 1133724#L738 __utac_acc__Specification13_spec__1_#t~ret129#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret129#1;havoc __utac_acc__Specification13_spec__1_#t~ret129#1; 1130676#L3288 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; 1130677#L695 timeShift_#t~ret79#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret79#1;havoc timeShift_#t~ret79#1; 1139493#L1647 assume 0 != timeShift_~tmp~14#1; 1139494#L1648 assume !(~weight~0 > ~maximumWeight~0);~blocked~0 := 0;assume { :begin_inline_timeShift__wrappee__twothirdsfull } true;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1, timeShift__wrappee__twothirdsfull_#t~ret69#1, timeShift__wrappee__twothirdsfull_#t~ret70#1, timeShift__wrappee__twothirdsfull_#t~ret71#1, timeShift__wrappee__twothirdsfull_#t~ret72#1, timeShift__wrappee__twothirdsfull_#t~ret73#1, timeShift__wrappee__twothirdsfull_#t~ret74#1, timeShift__wrappee__twothirdsfull_#t~ret75#1, timeShift__wrappee__twothirdsfull_#t~ret76#1, timeShift__wrappee__twothirdsfull_#t~ret77#1, timeShift__wrappee__twothirdsfull_#t~ret78#1, timeShift__wrappee__twothirdsfull_~tmp~13#1, timeShift__wrappee__twothirdsfull_~tmp___0~5#1, timeShift__wrappee__twothirdsfull_~tmp___1~3#1, timeShift__wrappee__twothirdsfull_~tmp___2~3#1, timeShift__wrappee__twothirdsfull_~tmp___3~3#1, timeShift__wrappee__twothirdsfull_~tmp___4~2#1, timeShift__wrappee__twothirdsfull_~tmp___5~2#1, timeShift__wrappee__twothirdsfull_~tmp___6~2#1, timeShift__wrappee__twothirdsfull_~tmp___7~2#1, timeShift__wrappee__twothirdsfull_~tmp___8~2#1, timeShift__wrappee__twothirdsfull_~tmp___9~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp~13#1;havoc timeShift__wrappee__twothirdsfull_~tmp___0~5#1;havoc timeShift__wrappee__twothirdsfull_~tmp___1~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___2~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___3~3#1;havoc timeShift__wrappee__twothirdsfull_~tmp___4~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___5~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___6~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___7~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___8~2#1;havoc timeShift__wrappee__twothirdsfull_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1, stopRequestedAtCurrentFloor_#t~ret54#1, stopRequestedAtCurrentFloor_#t~ret55#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~11#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~2#1, stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~11#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~2#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~4#1;stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~4#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~2#1 / 3); 1141049#L1367 assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~4#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; 1141050#L686 stopRequestedAtCurrentFloor_#t~ret53#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~11#1 := stopRequestedAtCurrentFloor_#t~ret53#1;havoc stopRequestedAtCurrentFloor_#t~ret53#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~11#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~6#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~6#1; 1138547#L703 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~6#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; 1126736#L724 stopRequestedAtCurrentFloor_#t~ret54#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret54#1;havoc stopRequestedAtCurrentFloor_#t~ret54#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1133421#L1378 timeShift__wrappee__twothirdsfull_#t~ret68#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift__wrappee__twothirdsfull_~tmp___9~2#1 := timeShift__wrappee__twothirdsfull_#t~ret68#1;havoc timeShift__wrappee__twothirdsfull_#t~ret68#1; 1129600#L1514 assume !(0 != timeShift__wrappee__twothirdsfull_~tmp___9~2#1); 1129602#L1605 assume 1 == ~doorState~0;~doorState~0 := 0; 1135861#L1605-2 assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret46#1, stopRequestedInDirection_#t~ret47#1, stopRequestedInDirection_#t~ret48#1, stopRequestedInDirection_#t~ret49#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~12#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~8#1, stopRequestedInDirection_~__cil_tmp8~5#1, stopRequestedInDirection_~__cil_tmp9~5#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~12#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~8#1;havoc stopRequestedInDirection_~__cil_tmp8~5#1;havoc stopRequestedInDirection_~__cil_tmp9~5#1;stopRequestedInDirection_~__cil_tmp8~5#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~5#1 := (if stopRequestedInDirection_~__cil_tmp8~5#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~5#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~5#1 / 3 else stopRequestedInDirection_~__cil_tmp8~5#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~5#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1;havoc isAnyLiftButtonPressed_~retValue_acc~13#1; 1135862#L1270 assume !(0 != ~floorButtons_0~0); 1136770#L1274 assume !(0 != ~floorButtons_1~0); 1140764#L1278 assume 0 != ~floorButtons_2~0;isAnyLiftButtonPressed_~retValue_acc~13#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~13#1; 1130445#L1291 stopRequestedInDirection_#t~ret46#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~8#1 := stopRequestedInDirection_#t~ret46#1;havoc stopRequestedInDirection_#t~ret46#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~8#1; 1130446#L1243 assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_#t~ret38#1, stopRequestedInDirection__wrappee__weight_#t~ret39#1, stopRequestedInDirection__wrappee__weight_#t~ret40#1, stopRequestedInDirection__wrappee__weight_#t~ret41#1, stopRequestedInDirection__wrappee__weight_#t~ret42#1, stopRequestedInDirection__wrappee__weight_#t~ret43#1, stopRequestedInDirection__wrappee__weight_#t~ret44#1, stopRequestedInDirection__wrappee__weight_#t~ret45#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1, stopRequestedInDirection__wrappee__weight_~tmp~7#1, stopRequestedInDirection__wrappee__weight_~tmp___0~1#1, stopRequestedInDirection__wrappee__weight_~tmp___1~1#1, stopRequestedInDirection__wrappee__weight_~tmp___2~1#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~7#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 1128711#L890-2 assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 1128712#L1059-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~11#1; 1128931#L1212-2 stopRequestedInDirection_#t~ret49#1 := stopRequestedInDirection__wrappee__weight_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~12#1 := stopRequestedInDirection_#t~ret49#1;havoc stopRequestedInDirection_#t~ret49#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~12#1; 1134680#L1261 timeShift__wrappee__twothirdsfull_#t~ret75#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift__wrappee__twothirdsfull_~tmp___8~2#1 := timeShift__wrappee__twothirdsfull_#t~ret75#1;havoc timeShift__wrappee__twothirdsfull_#t~ret75#1; 1142411#L1613 assume 0 != timeShift__wrappee__twothirdsfull_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret50#1, continueInDirection_~dir#1, continueInDirection_~tmp~9#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~9#1;~currentHeading~0 := continueInDirection_~dir#1; 1140342#L1305 assume !(1 == ~currentHeading~0); 1128163#L1315 assume !(0 == ~currentFloorID~0); 1128164#L1315-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1136382#L1321-1 assume { :end_inline_continueInDirection } true; 1131109#L1622-2 assume { :end_inline_timeShift__wrappee__twothirdsfull } true; 1142891#L1647-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret130#1, __utac_acc__Specification13_spec__2_#t~ret131#1, __utac_acc__Specification13_spec__2_#t~ret132#1, __utac_acc__Specification13_spec__2_#t~ret133#1, __utac_acc__Specification13_spec__2_#t~ret134#1, __utac_acc__Specification13_spec__2_#t~ret135#1, __utac_acc__Specification13_spec__2_~tmp~28#1, __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;havoc __utac_acc__Specification13_spec__2_~tmp~28#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#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_tmp7~6#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~7#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~6#1 / 3); 1142877#L3305 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~7#1; 1142878#L3306 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~17#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~17#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 1142896#L1867 assume !(1 == existInLiftCallsInDirection_~d#1); 1143002#L1933 assume 0 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i___0~0#1 := 0;existInLiftCallsInDirection_~i___0~0#1 := ~currentFloorID~0 - 1; 1143003#L1937-2 [2022-07-13 04:02:22,264 INFO L754 eck$LassoCheckResult]: Loop: 1143003#L1937-2 assume !false; 1143000#L1938 assume existInLiftCallsInDirection_~i___0~0#1 >= 0; 1143001#L1939 existInLiftCallsInDirection_~i___0~0#1 := 1 + ~currentFloorID~0; 1143026#L1946-2 assume !false; 1143020#L1947 assume !(existInLiftCallsInDirection_~i___0~0#1 < 5); 1143014#L2005 existInLiftCallsInDirection_~i___0~0#1 := existInLiftCallsInDirection_~i___0~0#1 - 1; 1143003#L1937-2 [2022-07-13 04:02:22,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:22,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1071081168, now seen corresponding path program 1 times [2022-07-13 04:02:22,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:22,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102195677] [2022-07-13 04:02:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:02:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:02:22,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:02:22,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102195677] [2022-07-13 04:02:22,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102195677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:02:22,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:02:22,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 04:02:22,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000922594] [2022-07-13 04:02:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:02:22,316 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 04:02:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:02:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash 763776811, now seen corresponding path program 14 times [2022-07-13 04:02:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:02:22,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862754421] [2022-07-13 04:02:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:02:22,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:02:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:22,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:02:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:02:22,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:02:22,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:02:22,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:02:22,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:02:22,338 INFO L87 Difference]: Start difference. First operand 69459 states and 128201 transitions. cyclomatic complexity: 59038 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:02:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:02:23,864 INFO L93 Difference]: Finished difference Result 125625 states and 231255 transitions. [2022-07-13 04:02:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:02:23,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125625 states and 231255 transitions. [2022-07-13 04:02:24,389 INFO L131 ngComponentsAnalysis]: Automaton has 514 accepting balls. 38937 [2022-07-13 04:02:24,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125625 states to 125625 states and 231255 transitions. [2022-07-13 04:02:24,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125450 [2022-07-13 04:02:24,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125450 [2022-07-13 04:02:24,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125625 states and 231255 transitions. [2022-07-13 04:02:24,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:02:24,892 INFO L369 hiAutomatonCegarLoop]: Abstraction has 125625 states and 231255 transitions. [2022-07-13 04:02:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125625 states and 231255 transitions.