./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa --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 cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:06:55,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:06:55,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:06:55,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:06:55,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:06:55,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:06:55,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:06:55,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:06:55,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:06:55,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:06:55,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:06:55,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:06:55,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:06:55,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:06:55,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:06:55,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:06:55,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:06:55,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:06:55,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:06:55,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:06:55,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:06:55,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:06:55,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:06:55,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:06:55,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:06:55,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:06:55,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:06:55,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:06:55,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:06:55,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:06:55,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:06:55,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:06:55,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:06:55,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:06:55,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:06:55,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:06:55,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:06:55,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:06:55,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:06:55,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:06:55,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:06:55,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 18:06:55,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:06:55,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:06:55,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:06:55,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:06:55,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:06:55,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:06:55,474 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:06:55,475 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:06:55,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:06:55,475 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:06:55,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:06:55,475 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:06:55,475 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:06:55,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:06:55,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:06:55,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:06:55,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:06:55,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:06:55,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:06:55,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:06:55,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:06:55,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:06:55,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:06:55,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:06:55,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:06:55,479 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:06:55,480 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff [2021-12-06 18:06:55,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:06:55,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:06:55,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:06:55,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:06:55,672 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:06:55,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2021-12-06 18:06:55,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/data/632f45bcc/1468b5e6eb3447c79e4d779cfd95327a/FLAG43b486386 [2021-12-06 18:06:56,161 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:06:56,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2021-12-06 18:06:56,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/data/632f45bcc/1468b5e6eb3447c79e4d779cfd95327a/FLAG43b486386 [2021-12-06 18:06:56,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/data/632f45bcc/1468b5e6eb3447c79e4d779cfd95327a [2021-12-06 18:06:56,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:06:56,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:06:56,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:56,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:06:56,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:06:56,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d70f687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56, skipping insertion in model container [2021-12-06 18:06:56,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:06:56,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:06:56,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c[70349,70362] [2021-12-06 18:06:56,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:56,564 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:06:56,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c[70349,70362] [2021-12-06 18:06:56,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:56,665 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:06:56,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56 WrapperNode [2021-12-06 18:06:56,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:56,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:56,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:06:56,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:06:56,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,795 INFO L137 Inliner]: procedures = 89, calls = 327, calls flagged for inlining = 180, calls inlined = 246, statements flattened = 8059 [2021-12-06 18:06:56,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:56,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:06:56,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:06:56,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:06:56,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:06:56,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:06:56,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:06:56,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:06:56,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (1/1) ... [2021-12-06 18:06:56,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:56,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:06:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:06:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:06:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:06:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:06:57,093 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:06:57,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:06:59,209 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:06:59,238 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:06:59,238 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:06:59,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:59 BoogieIcfgContainer [2021-12-06 18:06:59,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:06:59,243 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:06:59,243 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:06:59,245 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:06:59,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:59,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:06:56" (1/3) ... [2021-12-06 18:06:59,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11d7d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:06:59, skipping insertion in model container [2021-12-06 18:06:59,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:59,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:56" (2/3) ... [2021-12-06 18:06:59,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11d7d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:06:59, skipping insertion in model container [2021-12-06 18:06:59,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:59,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:59" (3/3) ... [2021-12-06 18:06:59,248 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2021-12-06 18:06:59,282 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:06:59,282 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:06:59,282 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:06:59,282 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:06:59,282 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:06:59,282 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:06:59,282 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:06:59,282 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:06:59,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2387 states, 2386 states have (on average 1.8751047778709136) internal successors, (4474), 2386 states have internal predecessors, (4474), 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) [2021-12-06 18:06:59,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1177 [2021-12-06 18:06:59,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:06:59,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:06:59,430 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:06:59,431 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:06:59,431 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:06:59,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2387 states, 2386 states have (on average 1.8751047778709136) internal successors, (4474), 2386 states have internal predecessors, (4474), 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) [2021-12-06 18:06:59,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1177 [2021-12-06 18:06:59,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:06:59,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:06:59,480 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:06:59,480 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:06:59,486 INFO L791 eck$LassoCheckResult]: Stem: 571#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2267#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2135#L3298true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47#L3291true 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; 1653#L3306true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1447#L1079true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1669#L1049true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 275#L2921true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 2100#L3110true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 702#L3135true bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1796#L423true assume 0 == initPersonOnFloor_~floor#1; 560#L424true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 300#L531-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 991#L215true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 41#L227-2true assume { :end_inline_callOnFloor } true; 45#L567true assume { :end_inline_initPersonOnFloor } true; 1276#L849true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 897#L152true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1767#L179true stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1843#L1934true assume 0 != stopRequestedAtCurrentFloor_~tmp___0~4#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 1;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1127#L1946true timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1100#L2083true assume !(0 != timeShift_~tmp___9~2#1); 1384#L2174true assume !(1 == ~doorState~0); 2353#L2174-2true assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1662#L1525true assume !(1 == stopRequestedInDirection_~dir#1); 1403#L1694true assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1215#L1847true timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 718#L2182true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1225#L1901true assume !(1 == ~currentHeading~0); 618#L1911true assume !(0 == ~currentFloorID~0); 1557#L1911-2true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2051#L1917-1true assume { :end_inline_continueInDirection } true; 1228#L2191-2true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1610#L1321true __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2048#L1381-6true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2179#L1413-6true __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 935#L2964true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1648#L2974-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 72#L2206true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1247#L879-2true [2021-12-06 18:06:59,488 INFO L793 eck$LassoCheckResult]: Loop: 1247#L879-2true assume !false; 474#L880true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1042#L883true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 999#L1167true cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1906#L887true assume 1 != cleanup_~tmp___0~0#1; 1033#L887-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 172#L152-21true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 257#L179-21true anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 1605#L1429true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 1746#L1493true isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 359#L1506true cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1049#L899true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1727#L152-26true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2347#L179-26true stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 174#L1934-1true assume 0 != stopRequestedAtCurrentFloor_~tmp___0~4#1;stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 1;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 841#L1946-1true timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2215#L2083-2true assume !(0 != timeShift_~tmp___9~2#1); 1846#L2174-3true assume 1 == ~doorState~0;~doorState~0 := 0; 1696#L2174-5true 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 360#L1525-2true assume !(1 == stopRequestedInDirection_~dir#1); 1884#L1694-2true assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1017#L1847-2true timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1132#L2182-2true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1400#L1901-3true assume !(1 == ~currentHeading~0); 1636#L1911-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1242#L1911-11true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 307#L1917-7true assume { :end_inline_continueInDirection } true; 1705#L2191-5true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1949#L1321-1true __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 424#L1381-13true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 640#L1413-13true __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1210#L2964-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1353#L2974-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1573#L2206-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1247#L879-2true [2021-12-06 18:06:59,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash 476793912, now seen corresponding path program 1 times [2021-12-06 18:06:59,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:59,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525547438] [2021-12-06 18:06:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:59,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:06:59,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:59,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525547438] [2021-12-06 18:06:59,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525547438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:59,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:59,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:06:59,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399212887] [2021-12-06 18:06:59,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:59,747 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:06:59,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:59,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1997008952, now seen corresponding path program 1 times [2021-12-06 18:06:59,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:59,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726391770] [2021-12-06 18:06:59,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:06:59,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:59,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726391770] [2021-12-06 18:06:59,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726391770] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:59,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:59,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:06:59,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288457686] [2021-12-06 18:06:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:59,818 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:06:59,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:59,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:06:59,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:06:59,848 INFO L87 Difference]: Start difference. First operand has 2387 states, 2386 states have (on average 1.8751047778709136) internal successors, (4474), 2386 states have internal predecessors, (4474), 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 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) [2021-12-06 18:07:00,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:00,222 INFO L93 Difference]: Finished difference Result 6311 states and 11749 transitions. [2021-12-06 18:07:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:00,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6311 states and 11749 transitions. [2021-12-06 18:07:00,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4154 [2021-12-06 18:07:00,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6311 states to 6203 states and 11628 transitions. [2021-12-06 18:07:00,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6203 [2021-12-06 18:07:00,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6203 [2021-12-06 18:07:00,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6203 states and 11628 transitions. [2021-12-06 18:07:00,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:00,396 INFO L681 BuchiCegarLoop]: Abstraction has 6203 states and 11628 transitions. [2021-12-06 18:07:00,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6203 states and 11628 transitions. [2021-12-06 18:07:00,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6203 to 2368. [2021-12-06 18:07:00,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2368 states have (on average 1.8771114864864864) internal successors, (4445), 2367 states have internal predecessors, (4445), 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) [2021-12-06 18:07:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 4445 transitions. [2021-12-06 18:07:00,532 INFO L704 BuchiCegarLoop]: Abstraction has 2368 states and 4445 transitions. [2021-12-06 18:07:00,532 INFO L587 BuchiCegarLoop]: Abstraction has 2368 states and 4445 transitions. [2021-12-06 18:07:00,532 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:07:00,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2368 states and 4445 transitions. [2021-12-06 18:07:00,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1179 [2021-12-06 18:07:00,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:00,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:00,553 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:00,553 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:00,554 INFO L791 eck$LassoCheckResult]: Stem: 9818#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 9819#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 11065#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8834#L3291 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; 8835#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 10756#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 10757#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 9316#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 9317#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 10002#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 10003#L423 assume 0 == initPersonOnFloor_~floor#1; 9799#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 8861#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 9365#L215 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8819#L227-2 assume { :end_inline_callOnFloor } true; 8820#L567 assume { :end_inline_initPersonOnFloor } true; 8830#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 10253#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 9607#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 10952#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 9187#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 8915#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 10715#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 10978#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 11087#L2083 assume !(0 != timeShift_~tmp___9~2#1); 10713#L2174 assume !(1 == ~doorState~0); 10714#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 10898#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 10727#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 9244#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 10023#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 10025#L1901 assume !(1 == ~currentHeading~0); 9887#L1911 assume !(0 == ~currentFloorID~0); 9888#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 10834#L1917-1 assume { :end_inline_continueInDirection } true; 9642#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 10597#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 10869#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 9344#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 10300#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 9644#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 8889#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 8890#L879-2 [2021-12-06 18:07:00,554 INFO L793 eck$LassoCheckResult]: Loop: 8890#L879-2 assume !false; 9664#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 9665#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 10381#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 10382#L887 assume 1 != cleanup_~tmp___0~0#1; 10414#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 9113#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 9114#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 9288#L1429 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 9459#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 9475#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 9476#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 10431#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 8940#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 9117#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 9119#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 8822#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 9569#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 9570#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 11088#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 10980#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 10916#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 9477#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 9478#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 9033#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 10398#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 10509#L1901-3 assume !(1 == ~currentHeading~0); 10724#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 8907#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 9376#L1917-7 assume { :end_inline_continueInDirection } true; 9377#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 10920#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 9586#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 9587#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 9922#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 10283#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 10694#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 8890#L879-2 [2021-12-06 18:07:00,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash -961412041, now seen corresponding path program 1 times [2021-12-06 18:07:00,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:00,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654940812] [2021-12-06 18:07:00,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:00,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:00,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:00,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654940812] [2021-12-06 18:07:00,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654940812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:00,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:00,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:00,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743134649] [2021-12-06 18:07:00,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:00,612 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:00,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:00,613 INFO L85 PathProgramCache]: Analyzing trace with hash -96215188, now seen corresponding path program 1 times [2021-12-06 18:07:00,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:00,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423312994] [2021-12-06 18:07:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:00,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:00,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:00,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423312994] [2021-12-06 18:07:00,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423312994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:00,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:00,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:07:00,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443629591] [2021-12-06 18:07:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:00,658 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:00,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:00,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:07:00,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:07:00,659 INFO L87 Difference]: Start difference. First operand 2368 states and 4445 transitions. cyclomatic complexity: 2078 Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 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) [2021-12-06 18:07:02,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:02,302 INFO L93 Difference]: Finished difference Result 22211 states and 41615 transitions. [2021-12-06 18:07:02,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:07:02,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22211 states and 41615 transitions. [2021-12-06 18:07:02,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14714 [2021-12-06 18:07:02,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22211 states to 22211 states and 41615 transitions. [2021-12-06 18:07:02,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22211 [2021-12-06 18:07:02,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22211 [2021-12-06 18:07:02,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22211 states and 41615 transitions. [2021-12-06 18:07:02,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:02,609 INFO L681 BuchiCegarLoop]: Abstraction has 22211 states and 41615 transitions. [2021-12-06 18:07:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22211 states and 41615 transitions. [2021-12-06 18:07:02,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22211 to 4688. [2021-12-06 18:07:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 4688 states have (on average 1.8764931740614335) internal successors, (8797), 4687 states have internal predecessors, (8797), 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) [2021-12-06 18:07:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 8797 transitions. [2021-12-06 18:07:02,777 INFO L704 BuchiCegarLoop]: Abstraction has 4688 states and 8797 transitions. [2021-12-06 18:07:02,777 INFO L587 BuchiCegarLoop]: Abstraction has 4688 states and 8797 transitions. [2021-12-06 18:07:02,777 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:07:02,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4688 states and 8797 transitions. [2021-12-06 18:07:02,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2364 [2021-12-06 18:07:02,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:02,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:02,791 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:02,791 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:02,792 INFO L791 eck$LassoCheckResult]: Stem: 34462#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 34463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 35849#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33461#L3291 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; 33462#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 35466#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 35467#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 33947#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 33948#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 34654#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 34655#L423 assume 0 == initPersonOnFloor_~floor#1; 34443#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 33488#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 33996#L215 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 35045#L227-2 assume { :end_inline_callOnFloor } true; 33456#L567 assume { :end_inline_initPersonOnFloor } true; 33457#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 34917#L152 assume !(0 == isFloorCalling_~floorID#1); 34919#L156 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 36033#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 36032#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 36030#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 36026#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 36025#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 36024#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 36022#L2083 assume !(0 != timeShift_~tmp___9~2#1); 36021#L2174 assume !(1 == ~doorState~0); 36020#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 36018#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 35431#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 33873#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 34676#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 34678#L1901 assume !(1 == ~currentHeading~0); 35286#L1911 assume !(0 == ~currentFloorID~0); 35550#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 35551#L1917-1 assume { :end_inline_continueInDirection } true; 35971#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 35970#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 35966#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 35963#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 35953#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 35949#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 35948#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 35946#L879-2 [2021-12-06 18:07:02,792 INFO L793 eck$LassoCheckResult]: Loop: 35946#L879-2 assume !false; 35945#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 35944#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 35943#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 35942#L887 assume 1 != cleanup_~tmp___0~0#1; 35902#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 33741#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 33742#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 33919#L1429 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 35585#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 35903#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 35110#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 35111#L152-26 assume !(0 == isFloorCalling_~floorID#1); 35896#L156-26 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 37051#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 37050#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 37049#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 37044#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 37043#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 37042#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 37040#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 37039#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 37038#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 37036#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 35743#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 33661#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 35075#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 35190#L1901-3 assume !(1 == ~currentHeading~0); 35428#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 35299#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 35300#L1917-7 assume { :end_inline_continueInDirection } true; 37001#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 37000#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 36998#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 36993#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 36985#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 36979#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 35947#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 35946#L879-2 [2021-12-06 18:07:02,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:02,792 INFO L85 PathProgramCache]: Analyzing trace with hash -789039010, now seen corresponding path program 1 times [2021-12-06 18:07:02,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:02,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936720855] [2021-12-06 18:07:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:02,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:02,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:02,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936720855] [2021-12-06 18:07:02,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936720855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:02,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:02,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:02,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097256924] [2021-12-06 18:07:02,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:02,849 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:02,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:02,850 INFO L85 PathProgramCache]: Analyzing trace with hash 950560046, now seen corresponding path program 1 times [2021-12-06 18:07:02,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:02,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122416346] [2021-12-06 18:07:02,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:02,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:02,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:02,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122416346] [2021-12-06 18:07:02,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122416346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:02,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:02,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:02,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238894552] [2021-12-06 18:07:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:02,875 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:02,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:02,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:02,876 INFO L87 Difference]: Start difference. First operand 4688 states and 8797 transitions. cyclomatic complexity: 4110 Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2021-12-06 18:07:04,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:04,313 INFO L93 Difference]: Finished difference Result 16502 states and 30933 transitions. [2021-12-06 18:07:04,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:04,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16502 states and 30933 transitions. [2021-12-06 18:07:04,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8863 [2021-12-06 18:07:04,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16502 states to 16502 states and 30933 transitions. [2021-12-06 18:07:04,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16502 [2021-12-06 18:07:04,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16502 [2021-12-06 18:07:04,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16502 states and 30933 transitions. [2021-12-06 18:07:04,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:04,454 INFO L681 BuchiCegarLoop]: Abstraction has 16502 states and 30933 transitions. [2021-12-06 18:07:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16502 states and 30933 transitions. [2021-12-06 18:07:04,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16502 to 8414. [2021-12-06 18:07:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8414 states, 8414 states have (on average 1.8744948894699311) internal successors, (15772), 8413 states have internal predecessors, (15772), 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) [2021-12-06 18:07:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8414 states to 8414 states and 15772 transitions. [2021-12-06 18:07:04,652 INFO L704 BuchiCegarLoop]: Abstraction has 8414 states and 15772 transitions. [2021-12-06 18:07:04,652 INFO L587 BuchiCegarLoop]: Abstraction has 8414 states and 15772 transitions. [2021-12-06 18:07:04,652 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:07:04,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8414 states and 15772 transitions. [2021-12-06 18:07:04,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4279 [2021-12-06 18:07:04,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:04,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:04,691 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:04,691 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:04,691 INFO L791 eck$LassoCheckResult]: Stem: 55672#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 55673#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 57009#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 54672#L3291 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; 54673#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 56657#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 56658#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 55155#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 55156#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 55860#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 55861#L423 assume 0 == initPersonOnFloor_~floor#1; 55652#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 54699#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 55205#L215 assume !(0 == callOnFloor_~floorID#1); 55965#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 54656#L227-2 assume { :end_inline_callOnFloor } true; 54657#L567 assume { :end_inline_initPersonOnFloor } true; 56519#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 56520#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 57055#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 57110#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 57109#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 54753#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 56613#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 56897#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 57111#L2083 assume !(0 != timeShift_~tmp___9~2#1); 56611#L2174 assume !(1 == ~doorState~0); 56612#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 56809#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 56810#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 62925#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 62923#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 62924#L1901 assume !(1 == ~currentHeading~0); 62971#L1911 assume !(0 == ~currentFloorID~0); 55742#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 56739#L1917-1 assume { :end_inline_continueInDirection } true; 55489#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 56481#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 56776#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 55184#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 57015#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 57120#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 57118#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 57116#L879-2 [2021-12-06 18:07:04,691 INFO L793 eck$LassoCheckResult]: Loop: 57116#L879-2 assume !false; 57115#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 57114#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 57113#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 57112#L887 assume 1 != cleanup_~tmp___0~0#1; 57108#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 57107#L152-21 assume !(0 == isFloorCalling_~floorID#1); 57093#L156-21 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 57081#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 57073#L1429 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 57064#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 57063#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 57062#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 57060#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 57059#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 57058#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 57057#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 54659#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 55413#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 55415#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 61642#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 56899#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 56828#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 55318#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 55319#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 54872#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 56270#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 56388#L1901-3 assume !(1 == ~currentHeading~0); 56624#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 54745#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 56493#L1917-7 assume { :end_inline_continueInDirection } true; 57147#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 57146#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 57144#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 57139#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 57126#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 57119#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 57117#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 57116#L879-2 [2021-12-06 18:07:04,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1516280664, now seen corresponding path program 1 times [2021-12-06 18:07:04,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:04,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916950623] [2021-12-06 18:07:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:04,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:04,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:04,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916950623] [2021-12-06 18:07:04,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916950623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:04,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:04,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:04,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254176689] [2021-12-06 18:07:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:04,720 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash -984260868, now seen corresponding path program 1 times [2021-12-06 18:07:04,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:04,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465931710] [2021-12-06 18:07:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:04,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:04,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:04,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465931710] [2021-12-06 18:07:04,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465931710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:04,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:04,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:04,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719647194] [2021-12-06 18:07:04,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:04,735 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:04,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:07:04,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:07:04,736 INFO L87 Difference]: Start difference. First operand 8414 states and 15772 transitions. cyclomatic complexity: 7359 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-12-06 18:07:04,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:04,988 INFO L93 Difference]: Finished difference Result 9184 states and 17104 transitions. [2021-12-06 18:07:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:07:04,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9184 states and 17104 transitions. [2021-12-06 18:07:05,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4640 [2021-12-06 18:07:05,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9184 states to 9184 states and 17104 transitions. [2021-12-06 18:07:05,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9184 [2021-12-06 18:07:05,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9184 [2021-12-06 18:07:05,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9184 states and 17104 transitions. [2021-12-06 18:07:05,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:05,049 INFO L681 BuchiCegarLoop]: Abstraction has 9184 states and 17104 transitions. [2021-12-06 18:07:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9184 states and 17104 transitions. [2021-12-06 18:07:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9184 to 8260. [2021-12-06 18:07:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8260 states have (on average 1.8711864406779661) internal successors, (15456), 8259 states have internal predecessors, (15456), 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) [2021-12-06 18:07:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 15456 transitions. [2021-12-06 18:07:05,181 INFO L704 BuchiCegarLoop]: Abstraction has 8260 states and 15456 transitions. [2021-12-06 18:07:05,181 INFO L587 BuchiCegarLoop]: Abstraction has 8260 states and 15456 transitions. [2021-12-06 18:07:05,181 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 18:07:05,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8260 states and 15456 transitions. [2021-12-06 18:07:05,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4157 [2021-12-06 18:07:05,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:05,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:05,198 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:05,198 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:05,198 INFO L791 eck$LassoCheckResult]: Stem: 73268#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 73269#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 74652#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72271#L3291 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; 72272#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 74268#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 74269#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 72751#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 72752#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 73459#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 73460#L423 assume 0 == initPersonOnFloor_~floor#1; 73251#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 72300#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 72803#L215 assume !(0 == callOnFloor_~floorID#1); 73561#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 73562#L227-2 assume { :end_inline_callOnFloor } true; 78816#L567 assume { :end_inline_initPersonOnFloor } true; 78815#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 73716#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 73717#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 78832#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 78833#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 78836#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 78834#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 78835#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 79177#L2083 assume !(0 != timeShift_~tmp___9~2#1); 74217#L2174 assume !(1 == ~doorState~0); 74218#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 74428#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 74429#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 72782#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 79018#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 79019#L1901 assume !(1 == ~currentHeading~0); 79282#L1911 assume !(0 == ~currentFloorID~0); 73337#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 74352#L1917-1 assume { :end_inline_continueInDirection } true; 78060#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 78059#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 78055#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 78052#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 78042#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 78038#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 78037#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 74719#L879-2 [2021-12-06 18:07:05,198 INFO L793 eck$LassoCheckResult]: Loop: 74719#L879-2 assume !false; 74717#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 74715#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 74714#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 74712#L887 assume 1 != cleanup_~tmp___0~0#1; 74713#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 74708#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 74709#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 74703#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 74705#L1433 assume 0 != ~floorButtons_0~0;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 74724#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 74723#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 74722#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 74720#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 74721#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 74716#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 74029#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 72257#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 73011#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 73013#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 79503#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 79499#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 79497#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 79489#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 79490#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 73348#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 79549#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 79547#L1901-3 assume !(1 == ~currentHeading~0); 79405#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 79403#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 79294#L1917-7 assume { :end_inline_continueInDirection } true; 79290#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 79283#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 79210#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 79204#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 79191#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 78829#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 78036#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 74719#L879-2 [2021-12-06 18:07:05,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:05,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1516280664, now seen corresponding path program 2 times [2021-12-06 18:07:05,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:05,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10410846] [2021-12-06 18:07:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:05,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:05,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:05,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10410846] [2021-12-06 18:07:05,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10410846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:05,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:05,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:05,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323534175] [2021-12-06 18:07:05,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:05,228 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash 338332849, now seen corresponding path program 1 times [2021-12-06 18:07:05,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:05,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024639683] [2021-12-06 18:07:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:05,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:05,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:05,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024639683] [2021-12-06 18:07:05,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024639683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:05,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:05,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:05,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033857021] [2021-12-06 18:07:05,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:05,257 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:05,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:05,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:05,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:05,258 INFO L87 Difference]: Start difference. First operand 8260 states and 15456 transitions. cyclomatic complexity: 7197 Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2021-12-06 18:07:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:05,630 INFO L93 Difference]: Finished difference Result 33051 states and 61938 transitions. [2021-12-06 18:07:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:05,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33051 states and 61938 transitions. [2021-12-06 18:07:05,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22048 [2021-12-06 18:07:05,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33051 states to 33051 states and 61938 transitions. [2021-12-06 18:07:05,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33051 [2021-12-06 18:07:05,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33051 [2021-12-06 18:07:05,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33051 states and 61938 transitions. [2021-12-06 18:07:05,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:05,925 INFO L681 BuchiCegarLoop]: Abstraction has 33051 states and 61938 transitions. [2021-12-06 18:07:05,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33051 states and 61938 transitions. [2021-12-06 18:07:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33051 to 14983. [2021-12-06 18:07:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14983 states, 14983 states have (on average 1.871454314890209) internal successors, (28040), 14982 states have internal predecessors, (28040), 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) [2021-12-06 18:07:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14983 states to 14983 states and 28040 transitions. [2021-12-06 18:07:06,187 INFO L704 BuchiCegarLoop]: Abstraction has 14983 states and 28040 transitions. [2021-12-06 18:07:06,187 INFO L587 BuchiCegarLoop]: Abstraction has 14983 states and 28040 transitions. [2021-12-06 18:07:06,187 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 18:07:06,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14983 states and 28040 transitions. [2021-12-06 18:07:06,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8252 [2021-12-06 18:07:06,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:06,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:06,225 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:06,225 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:06,225 INFO L791 eck$LassoCheckResult]: Stem: 114607#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 114608#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 116077#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113604#L3291 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; 113605#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 115638#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 115639#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 114084#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 114085#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 114803#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 114804#L423 assume 0 == initPersonOnFloor_~floor#1; 114587#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 113630#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 114134#L215 assume !(0 == callOnFloor_~floorID#1); 114907#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 113588#L227-2 assume { :end_inline_callOnFloor } true; 113589#L567 assume { :end_inline_initPersonOnFloor } true; 115493#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 115494#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 116155#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 116153#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 116150#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 116151#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 116537#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 116535#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 116528#L2083 assume !(0 != timeShift_~tmp___9~2#1); 116527#L2174 assume !(1 == ~doorState~0); 116512#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 116510#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 116471#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 116456#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 116452#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 116453#L1901 assume !(1 == ~currentHeading~0); 116746#L1911 assume !(0 == ~currentFloorID~0); 116747#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 116877#L1917-1 assume { :end_inline_continueInDirection } true; 116875#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 116874#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 116870#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 116867#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 116857#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 116853#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 116852#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 116850#L879-2 [2021-12-06 18:07:06,226 INFO L793 eck$LassoCheckResult]: Loop: 116850#L879-2 assume !false; 116848#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 116846#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 116841#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 116839#L887 assume 1 != cleanup_~tmp___0~0#1; 116837#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 116835#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 116833#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 116830#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 116829#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 116824#L152-22 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 116811#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 116807#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 116728#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 116400#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 116319#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 116315#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 116313#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 116311#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 116309#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 116300#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 116297#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 116295#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 116292#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 116290#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 116288#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 116285#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 116263#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 116258#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 116259#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 116552#L1901-3 assume !(1 == ~currentHeading~0); 127592#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 115463#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 115464#L1917-7 assume { :end_inline_continueInDirection } true; 127501#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 127500#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 127498#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 127493#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 127454#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 127448#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 116851#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 116850#L879-2 [2021-12-06 18:07:06,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:06,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1516280664, now seen corresponding path program 3 times [2021-12-06 18:07:06,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:06,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098608549] [2021-12-06 18:07:06,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:06,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:06,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:06,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098608549] [2021-12-06 18:07:06,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098608549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:06,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:06,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:06,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269957227] [2021-12-06 18:07:06,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:06,254 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:06,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash 269781844, now seen corresponding path program 1 times [2021-12-06 18:07:06,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:06,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531036499] [2021-12-06 18:07:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:06,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:06,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:06,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531036499] [2021-12-06 18:07:06,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531036499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:06,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:06,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:06,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306179024] [2021-12-06 18:07:06,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:06,271 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:06,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:06,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:07:06,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:07:06,271 INFO L87 Difference]: Start difference. First operand 14983 states and 28040 transitions. cyclomatic complexity: 13058 Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 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) [2021-12-06 18:07:06,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:06,592 INFO L93 Difference]: Finished difference Result 22639 states and 42223 transitions. [2021-12-06 18:07:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:07:06,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22639 states and 42223 transitions. [2021-12-06 18:07:06,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12452 [2021-12-06 18:07:06,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22639 states to 22639 states and 42223 transitions. [2021-12-06 18:07:06,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22639 [2021-12-06 18:07:06,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22639 [2021-12-06 18:07:06,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22639 states and 42223 transitions. [2021-12-06 18:07:06,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:06,742 INFO L681 BuchiCegarLoop]: Abstraction has 22639 states and 42223 transitions. [2021-12-06 18:07:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22639 states and 42223 transitions. [2021-12-06 18:07:06,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22639 to 14983. [2021-12-06 18:07:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14983 states, 14983 states have (on average 1.8618434225455516) internal successors, (27896), 14982 states have internal predecessors, (27896), 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) [2021-12-06 18:07:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14983 states to 14983 states and 27896 transitions. [2021-12-06 18:07:06,963 INFO L704 BuchiCegarLoop]: Abstraction has 14983 states and 27896 transitions. [2021-12-06 18:07:06,963 INFO L587 BuchiCegarLoop]: Abstraction has 14983 states and 27896 transitions. [2021-12-06 18:07:06,963 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 18:07:06,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14983 states and 27896 transitions. [2021-12-06 18:07:06,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8252 [2021-12-06 18:07:06,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:06,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:06,997 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:06,997 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:06,997 INFO L791 eck$LassoCheckResult]: Stem: 152226#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 152227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 153659#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 151231#L3291 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; 151232#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 153246#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 153247#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 151707#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 151708#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 152421#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 152422#L423 assume 0 == initPersonOnFloor_~floor#1; 152209#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 151259#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 151759#L215 assume !(0 == callOnFloor_~floorID#1); 152521#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 152522#L227-2 assume { :end_inline_callOnFloor } true; 161967#L567 assume { :end_inline_initPersonOnFloor } true; 153103#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 152680#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 152681#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 164571#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 164572#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 164574#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 164573#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 164564#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 164565#L2083 assume !(0 != timeShift_~tmp___9~2#1); 164569#L2174 assume !(1 == ~doorState~0); 164568#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 164566#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 164567#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 151738#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 165219#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 165218#L1901 assume !(1 == ~currentHeading~0); 163411#L1911 assume !(0 == ~currentFloorID~0); 161135#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 161107#L1917-1 assume { :end_inline_continueInDirection } true; 153809#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 153806#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 153807#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 154338#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 153757#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 153754#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 153734#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 153733#L879-2 [2021-12-06 18:07:06,997 INFO L793 eck$LassoCheckResult]: Loop: 153733#L879-2 assume !false; 153728#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 153729#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 153724#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 153725#L887 assume 1 != cleanup_~tmp___0~0#1; 153721#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 153720#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 153719#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 153717#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 153716#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 153694#L152-22 assume !(0 == isFloorCalling_~floorID#1); 152872#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 152465#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 153156#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 153983#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 153982#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 153981#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 153979#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 153978#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 153976#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 153973#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 153965#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 153959#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 153955#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 153953#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 153952#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 153935#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 153929#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 153909#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 153847#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 153841#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 153833#L1901-3 assume !(1 == ~currentHeading~0); 153824#L1911-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 153816#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 153813#L1917-7 assume { :end_inline_continueInDirection } true; 153808#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 153805#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 153794#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 153790#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 153745#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 153740#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 153732#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 153733#L879-2 [2021-12-06 18:07:06,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1516280664, now seen corresponding path program 4 times [2021-12-06 18:07:06,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:06,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738352845] [2021-12-06 18:07:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:06,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:07,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:07,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738352845] [2021-12-06 18:07:07,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738352845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:07,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:07,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:07,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71809995] [2021-12-06 18:07:07,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:07,023 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:07,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:07,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1646671545, now seen corresponding path program 1 times [2021-12-06 18:07:07,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:07,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171355669] [2021-12-06 18:07:07,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:07,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:07,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:07,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171355669] [2021-12-06 18:07:07,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171355669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:07,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:07,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:07,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263204112] [2021-12-06 18:07:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:07,044 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:07,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:07,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:07,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:07,045 INFO L87 Difference]: Start difference. First operand 14983 states and 27896 transitions. cyclomatic complexity: 12914 Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 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) [2021-12-06 18:07:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:07,213 INFO L93 Difference]: Finished difference Result 22695 states and 42101 transitions. [2021-12-06 18:07:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:07:07,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22695 states and 42101 transitions. [2021-12-06 18:07:07,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15688 [2021-12-06 18:07:07,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22695 states to 22695 states and 42101 transitions. [2021-12-06 18:07:07,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22695 [2021-12-06 18:07:07,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22695 [2021-12-06 18:07:07,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22695 states and 42101 transitions. [2021-12-06 18:07:07,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:07,423 INFO L681 BuchiCegarLoop]: Abstraction has 22695 states and 42101 transitions. [2021-12-06 18:07:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22695 states and 42101 transitions. [2021-12-06 18:07:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22695 to 15001. [2021-12-06 18:07:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15001 states, 15001 states have (on average 1.8608092793813746) internal successors, (27914), 15000 states have internal predecessors, (27914), 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) [2021-12-06 18:07:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15001 states to 15001 states and 27914 transitions. [2021-12-06 18:07:07,643 INFO L704 BuchiCegarLoop]: Abstraction has 15001 states and 27914 transitions. [2021-12-06 18:07:07,643 INFO L587 BuchiCegarLoop]: Abstraction has 15001 states and 27914 transitions. [2021-12-06 18:07:07,644 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 18:07:07,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15001 states and 27914 transitions. [2021-12-06 18:07:07,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8264 [2021-12-06 18:07:07,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:07,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:07,690 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:07,690 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:07,690 INFO L791 eck$LassoCheckResult]: Stem: 189921#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 189922#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 191409#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 188921#L3291 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; 188922#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 190969#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 190970#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 189396#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 189397#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 190123#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 190124#L423 assume 0 == initPersonOnFloor_~floor#1; 189901#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 188947#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 189447#L215 assume !(0 == callOnFloor_~floorID#1); 190226#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 188905#L227-2 assume { :end_inline_callOnFloor } true; 188906#L567 assume { :end_inline_initPersonOnFloor } true; 190820#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 190821#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 191504#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 191503#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 191500#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 191501#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 191736#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 191735#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 191734#L2083 assume !(0 != timeShift_~tmp___9~2#1); 191733#L2174 assume !(1 == ~doorState~0); 191732#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 191730#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 191731#L1694 assume !(0 == ~currentFloorID~0); 190257#L1700 assume !(~currentFloorID~0 > 0); 189641#L1715 assume ~currentFloorID~0 > 0; 198128#L1717 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 198127#L1718 assume 0 != ~floorButtons_0~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 191774#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 191775#L2182 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 200409#L1901 assume !(1 == ~currentHeading~0); 200407#L1911 assume !(0 == ~currentFloorID~0); 200402#L1911-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 200399#L1917-1 assume { :end_inline_continueInDirection } true; 200397#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 200396#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 200392#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 200389#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 200379#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 200375#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 200374#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 200371#L879-2 [2021-12-06 18:07:07,691 INFO L793 eck$LassoCheckResult]: Loop: 200371#L879-2 assume !false; 200367#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 200358#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 200344#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 198027#L887 assume 1 != cleanup_~tmp___0~0#1; 198026#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 198025#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 198024#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 198002#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 191777#L1433 assume 0 != ~floorButtons_0~0;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 191665#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 191664#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 191663#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 191662#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 191661#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 191660#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 191658#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 191637#L1342-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 191630#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 191628#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 191626#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 191623#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 191621#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 191619#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 191616#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 191617#L1694-2 assume !(0 == ~currentFloorID~0); 191520#L1700-2 assume !(~currentFloorID~0 > 0); 191437#L1715-2 assume ~currentFloorID~0 > 0; 190895#L1717-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 190896#L1718-2 assume 0 != ~floorButtons_0~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 191845#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 191846#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 203296#L1901-3 assume !(1 == ~currentHeading~0); 203295#L1911-9 assume !(0 == ~currentFloorID~0); 191527#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 203293#L1917-7 assume { :end_inline_continueInDirection } true; 203289#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 203288#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 203286#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 203281#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 203273#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 203267#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 200373#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 200371#L879-2 [2021-12-06 18:07:07,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:07,691 INFO L85 PathProgramCache]: Analyzing trace with hash -721880161, now seen corresponding path program 1 times [2021-12-06 18:07:07,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:07,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092575268] [2021-12-06 18:07:07,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:07,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:07,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:07,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092575268] [2021-12-06 18:07:07,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092575268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:07,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:07,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:07,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591311930] [2021-12-06 18:07:07,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:07,721 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:07,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1314929166, now seen corresponding path program 1 times [2021-12-06 18:07:07,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:07,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130391940] [2021-12-06 18:07:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:07,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:07,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:07,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130391940] [2021-12-06 18:07:07,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130391940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:07,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:07,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:07,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430115] [2021-12-06 18:07:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:07,751 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:07,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:07,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:07,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:07,752 INFO L87 Difference]: Start difference. First operand 15001 states and 27914 transitions. cyclomatic complexity: 12914 Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2021-12-06 18:07:08,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:08,519 INFO L93 Difference]: Finished difference Result 20451 states and 37992 transitions. [2021-12-06 18:07:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:08,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20451 states and 37992 transitions. [2021-12-06 18:07:08,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15875 [2021-12-06 18:07:08,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20451 states to 20451 states and 37992 transitions. [2021-12-06 18:07:08,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20451 [2021-12-06 18:07:08,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20451 [2021-12-06 18:07:08,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20451 states and 37992 transitions. [2021-12-06 18:07:08,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:08,665 INFO L681 BuchiCegarLoop]: Abstraction has 20451 states and 37992 transitions. [2021-12-06 18:07:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20451 states and 37992 transitions. [2021-12-06 18:07:08,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20451 to 11391. [2021-12-06 18:07:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11391 states, 11391 states have (on average 1.8513738916688613) internal successors, (21089), 11390 states have internal predecessors, (21089), 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) [2021-12-06 18:07:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11391 states to 11391 states and 21089 transitions. [2021-12-06 18:07:08,786 INFO L704 BuchiCegarLoop]: Abstraction has 11391 states and 21089 transitions. [2021-12-06 18:07:08,786 INFO L587 BuchiCegarLoop]: Abstraction has 11391 states and 21089 transitions. [2021-12-06 18:07:08,786 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 18:07:08,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11391 states and 21089 transitions. [2021-12-06 18:07:08,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8308 [2021-12-06 18:07:08,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:08,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:08,810 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:08,810 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:08,811 INFO L791 eck$LassoCheckResult]: Stem: 225311#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 225312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 226627#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 224387#L3291 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; 224388#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 226268#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 226269#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 224836#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 224837#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 225489#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 225490#L423 assume 0 == initPersonOnFloor_~floor#1; 225289#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 224413#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 224884#L215 assume !(0 == callOnFloor_~floorID#1); 225589#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 225590#L227-2 assume { :end_inline_callOnFloor } true; 226683#L567 assume { :end_inline_initPersonOnFloor } true; 226682#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 226681#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 226680#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 226679#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 224715#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 224716#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 226233#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 226506#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 226678#L2083 assume !(0 != timeShift_~tmp___9~2#1); 226231#L2174 assume !(1 == ~doorState~0); 226232#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 226419#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 226245#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 224862#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 225509#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 225510#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 226431#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 226367#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 224498#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 224481#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 225332#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 225665#L1901-2 assume !(1 == ~currentHeading~0); 225667#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 225790#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 226234#L1917-5 assume { :end_inline_continueInDirection } true; 225133#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 232377#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 232373#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 232370#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 232360#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 232356#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 232355#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 232354#L879-2 [2021-12-06 18:07:08,811 INFO L793 eck$LassoCheckResult]: Loop: 232354#L879-2 assume !false; 232353#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 232352#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 232351#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 232350#L887 assume 1 != cleanup_~tmp___0~0#1; 232349#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 232348#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 232347#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 232345#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 232343#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 232342#L152-22 assume !(0 == isFloorCalling_~floorID#1); 232250#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 226728#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 226729#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 232240#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 232239#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 232237#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 232234#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 226706#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 226705#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 226704#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 226703#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 226701#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 226700#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 226698#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 226697#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 226435#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 224983#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 224984#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 225384#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 228853#L2182-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 228852#L1956-2 assume 0 == getReverseHeading_~ofHeading#1;getReverseHeading_~retValue_acc~16#1 := 1;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 228850#L1961-2 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 228848#L1525-3 assume !(1 == stopRequestedInDirection_~dir#1); 228766#L1694-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 228749#L1847-3 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 228733#L2191-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 228728#L1901-5 assume !(1 == ~currentHeading~0); 228724#L1911-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 228712#L1911-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 228707#L1917-11 assume { :end_inline_continueInDirection } true; 228708#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 228702#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 228703#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 228684#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 228685#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 226795#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 226796#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 232354#L879-2 [2021-12-06 18:07:08,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2005292259, now seen corresponding path program 1 times [2021-12-06 18:07:08,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:08,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772846278] [2021-12-06 18:07:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:08,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:08,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:08,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772846278] [2021-12-06 18:07:08,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772846278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:08,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:08,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:08,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892365210] [2021-12-06 18:07:08,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:08,835 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash 739571150, now seen corresponding path program 1 times [2021-12-06 18:07:08,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:08,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847272746] [2021-12-06 18:07:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:08,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:08,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:08,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847272746] [2021-12-06 18:07:08,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847272746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:08,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:08,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:08,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433341413] [2021-12-06 18:07:08,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:08,860 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:08,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:08,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:08,861 INFO L87 Difference]: Start difference. First operand 11391 states and 21089 transitions. cyclomatic complexity: 9699 Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-12-06 18:07:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:09,005 INFO L93 Difference]: Finished difference Result 34119 states and 63121 transitions. [2021-12-06 18:07:09,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:07:09,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34119 states and 63121 transitions. [2021-12-06 18:07:09,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30867 [2021-12-06 18:07:09,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34119 states to 34119 states and 63121 transitions. [2021-12-06 18:07:09,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34119 [2021-12-06 18:07:09,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34119 [2021-12-06 18:07:09,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34119 states and 63121 transitions. [2021-12-06 18:07:09,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:09,256 INFO L681 BuchiCegarLoop]: Abstraction has 34119 states and 63121 transitions. [2021-12-06 18:07:09,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34119 states and 63121 transitions. [2021-12-06 18:07:09,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34119 to 11403. [2021-12-06 18:07:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11403 states, 11403 states have (on average 1.8504779444005963) internal successors, (21101), 11402 states have internal predecessors, (21101), 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) [2021-12-06 18:07:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11403 states to 11403 states and 21101 transitions. [2021-12-06 18:07:09,475 INFO L704 BuchiCegarLoop]: Abstraction has 11403 states and 21101 transitions. [2021-12-06 18:07:09,475 INFO L587 BuchiCegarLoop]: Abstraction has 11403 states and 21101 transitions. [2021-12-06 18:07:09,475 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 18:07:09,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11403 states and 21101 transitions. [2021-12-06 18:07:09,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8318 [2021-12-06 18:07:09,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:09,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:09,510 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:09,510 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:09,510 INFO L791 eck$LassoCheckResult]: Stem: 270835#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 270836#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 272212#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 269909#L3291 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; 269910#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 271813#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 271814#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 270360#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 270361#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 271015#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 271016#L423 assume 0 == initPersonOnFloor_~floor#1; 270816#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 269938#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 270406#L215 assume !(0 == callOnFloor_~floorID#1); 271115#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 271116#L227-2 assume { :end_inline_callOnFloor } true; 272282#L567 assume { :end_inline_initPersonOnFloor } true; 272281#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 272280#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 272279#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 272278#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 270238#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 270239#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 271769#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 272073#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 272277#L2083 assume !(0 != timeShift_~tmp___9~2#1); 271765#L2174 assume !(1 == ~doorState~0); 271766#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 271972#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 271785#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 270385#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 271035#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 271036#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 272133#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 272275#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 270023#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 270004#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 270855#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 271188#L1901-2 assume !(1 == ~currentHeading~0); 271190#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 271313#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 271770#L1917-5 assume { :end_inline_continueInDirection } true; 270662#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 271640#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 271939#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 270387#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 271318#L2964 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 270664#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 271967#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 274484#L879-2 [2021-12-06 18:07:09,511 INFO L793 eck$LassoCheckResult]: Loop: 274484#L879-2 assume !false; 274482#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 274481#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 274480#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 274479#L887 assume 1 != cleanup_~tmp___0~0#1; 274475#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 274465#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 274447#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 274439#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 274428#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 272515#L152-22 assume !(0 == isFloorCalling_~floorID#1); 272494#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 272488#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 272460#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 272448#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 272446#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 272444#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 272442#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 272440#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 272438#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 272436#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 272431#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 272429#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 272428#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 272426#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 272075#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 271990#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 270505#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 270506#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 270908#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 271534#L2182-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 271535#L1956-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 272155#L1961-2 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 272312#L1525-3 assume !(1 == stopRequestedInDirection_~dir#1); 272023#L1694-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 271439#L1847-3 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 280632#L2191-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 280630#L1901-5 assume !(1 == ~currentHeading~0); 280627#L1911-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 270749#L1911-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 270712#L1917-11 assume { :end_inline_continueInDirection } true; 270417#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 278531#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 278332#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 278321#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 278266#L2964-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 278257#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 274486#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 274484#L879-2 [2021-12-06 18:07:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2005292259, now seen corresponding path program 2 times [2021-12-06 18:07:09,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:09,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14507887] [2021-12-06 18:07:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:09,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:09,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:09,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14507887] [2021-12-06 18:07:09,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14507887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:09,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:09,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:09,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260898530] [2021-12-06 18:07:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:09,545 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:09,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:09,545 INFO L85 PathProgramCache]: Analyzing trace with hash -848776752, now seen corresponding path program 1 times [2021-12-06 18:07:09,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:09,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33171267] [2021-12-06 18:07:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:09,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:09,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:09,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33171267] [2021-12-06 18:07:09,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33171267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:09,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:09,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:09,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599310837] [2021-12-06 18:07:09,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:09,574 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:09,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:09,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:09,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:09,575 INFO L87 Difference]: Start difference. First operand 11403 states and 21101 transitions. cyclomatic complexity: 9699 Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-12-06 18:07:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:09,859 INFO L93 Difference]: Finished difference Result 36257 states and 67208 transitions. [2021-12-06 18:07:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:07:09,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36257 states and 67208 transitions. [2021-12-06 18:07:09,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30430 [2021-12-06 18:07:10,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36257 states to 36257 states and 67208 transitions. [2021-12-06 18:07:10,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36257 [2021-12-06 18:07:10,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36257 [2021-12-06 18:07:10,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36257 states and 67208 transitions. [2021-12-06 18:07:10,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:10,117 INFO L681 BuchiCegarLoop]: Abstraction has 36257 states and 67208 transitions. [2021-12-06 18:07:10,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36257 states and 67208 transitions. [2021-12-06 18:07:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36257 to 11437. [2021-12-06 18:07:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11437 states, 11437 states have (on average 1.8479496371426074) internal successors, (21135), 11436 states have internal predecessors, (21135), 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) [2021-12-06 18:07:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11437 states to 11437 states and 21135 transitions. [2021-12-06 18:07:10,304 INFO L704 BuchiCegarLoop]: Abstraction has 11437 states and 21135 transitions. [2021-12-06 18:07:10,304 INFO L587 BuchiCegarLoop]: Abstraction has 11437 states and 21135 transitions. [2021-12-06 18:07:10,304 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 18:07:10,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11437 states and 21135 transitions. [2021-12-06 18:07:10,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8342 [2021-12-06 18:07:10,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:10,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:10,329 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:10,329 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:10,329 INFO L791 eck$LassoCheckResult]: Stem: 318508#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 318509#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 319824#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 317580#L3291 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; 317581#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 319449#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 319450#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 318031#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 318032#L3110 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 318685#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 318686#L423 assume 0 == initPersonOnFloor_~floor#1; 318489#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 317607#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 318079#L215 assume !(0 == callOnFloor_~floorID#1); 318785#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 318786#L227-2 assume { :end_inline_callOnFloor } true; 319883#L567 assume { :end_inline_initPersonOnFloor } true; 319882#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 319881#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 319880#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 319879#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 317910#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 317911#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 319414#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 319701#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 319877#L2083 assume !(0 != timeShift_~tmp___9~2#1); 319412#L2174 assume !(1 == ~doorState~0); 319413#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 319607#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 319428#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 318056#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 318705#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 318706#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 319755#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 319878#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 317692#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 317675#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 318529#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 318855#L1901-2 assume !(1 == ~currentHeading~0); 318857#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 318976#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 319415#L1917-5 assume { :end_inline_continueInDirection } true; 318332#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 322474#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 319929#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 319921#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 319955#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 319944#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 319945#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 319899#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 319900#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 322439#L879-2 [2021-12-06 18:07:10,329 INFO L793 eck$LassoCheckResult]: Loop: 322439#L879-2 assume !false; 322438#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 322437#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 322436#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 322435#L887 assume 1 != cleanup_~tmp___0~0#1; 322434#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 322433#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 322432#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 322430#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 322428#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 322427#L152-22 assume !(0 == isFloorCalling_~floorID#1); 322424#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 319379#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 319380#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 322375#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 322372#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 322369#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 322366#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 322365#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 322364#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 322363#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 322362#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 322360#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 322359#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 322358#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 322353#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 322352#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 322131#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 322121#L1694-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 322084#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 322119#L2182-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 321977#L1956-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 322117#L1961-2 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 322110#L1525-3 assume !(1 == stopRequestedInDirection_~dir#1); 321991#L1694-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 321978#L1847-3 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 321970#L2191-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 321962#L1901-5 assume !(1 == ~currentHeading~0); 321953#L1911-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 321949#L1911-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 321945#L1917-11 assume { :end_inline_continueInDirection } true; 321946#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 322471#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 322470#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 322465#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 322472#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 322456#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 322459#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 322449#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 322447#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 322439#L879-2 [2021-12-06 18:07:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:10,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1354457946, now seen corresponding path program 1 times [2021-12-06 18:07:10,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:10,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284594968] [2021-12-06 18:07:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:10,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:10,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:10,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284594968] [2021-12-06 18:07:10,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284594968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:10,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:10,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:10,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910409742] [2021-12-06 18:07:10,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:10,352 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash 369503987, now seen corresponding path program 1 times [2021-12-06 18:07:10,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:10,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693069132] [2021-12-06 18:07:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:10,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:07:10,361 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:07:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:07:10,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:07:11,348 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:07:11,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:07:11,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:07:11,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:07:11,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:07:11,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:07:11,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:07:11,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product09.cil.c_Iteration11_Loop [2021-12-06 18:07:11,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:07:11,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:07:11,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:11,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:07:11,856 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:07:11,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:11,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:11,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:07:11,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:11,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:11,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:11,881 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#in~dir#1=0, ULTIMATE.start_timeShift_~tmp___6~2#1=0, ULTIMATE.start_stopRequestedInDirection_~dir#1=0, ULTIMATE.start_getReverseHeading_#res#1=0, ULTIMATE.start_getReverseHeading_~retValue_acc~16#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#in~dir#1=0, ULTIMATE.start_timeShift_~tmp___6~2#1=0, ULTIMATE.start_stopRequestedInDirection_~dir#1=0, ULTIMATE.start_getReverseHeading_#res#1=0, ULTIMATE.start_getReverseHeading_~retValue_acc~16#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:11,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-06 18:07:11,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:11,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:11,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:07:11,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:11,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:11,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:11,913 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~tmp___4~0#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_~tmp___4~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:11,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:07:11,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:11,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:11,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:07:11,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:11,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:11,941 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:11,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret27#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret27#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:11,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:07:11,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:11,961 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:11,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:07:11,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:11,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:11,970 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:11,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~tmp~12#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_~tmp~12#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:11,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:11,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:11,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:11,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:11,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:07:11,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:11,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,000 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___0~6#1=0} Honda state: {ULTIMATE.start_timeShift_~tmp___0~6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:07:12,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:07:12,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,028 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,028 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret53#1=0} Honda state: {ULTIMATE.start_timeShift_#t~ret53#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:07:12,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:07:12,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,063 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,063 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~retValue_acc~13#1=0, ULTIMATE.start_stopRequestedInDirection_#res#1=0, ULTIMATE.start_timeShift_~tmp___7~2#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_~retValue_acc~13#1=0, ULTIMATE.start_stopRequestedInDirection_#res#1=0, ULTIMATE.start_timeShift_~tmp___7~2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:07:12,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:07:12,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,097 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret30#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret30#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:07:12,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:07:12,118 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,126 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,126 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~tmp___5~0#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_~tmp___5~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:07:12,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,146 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:07:12,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,156 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret61#1=0} Honda state: {ULTIMATE.start_timeShift_#t~ret61#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:07:12,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:07:12,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,176 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,184 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,184 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedAtCurrentFloor_#t~ret38#1=0} Honda state: {ULTIMATE.start_stopRequestedAtCurrentFloor_#t~ret38#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:12,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,203 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:07:12,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,212 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret21#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret21#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:07:12,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,231 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:07:12,232 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,232 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,245 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,245 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedAtCurrentFloor_~retValue_acc~15#1=0, ULTIMATE.start_stopRequestedAtCurrentFloor_#res#1=0} Honda state: {ULTIMATE.start_stopRequestedAtCurrentFloor_~retValue_acc~15#1=0, ULTIMATE.start_stopRequestedAtCurrentFloor_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:07:12,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,265 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:07:12,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,275 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,276 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~tmp___8~0#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_~tmp___8~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 18:07:12,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:07:12,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,305 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___3~0#1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___3~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:12,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,324 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:07:12,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,338 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~respectInLiftCalls#1=1, ULTIMATE.start_stopRequestedInDirection_#in~respectInLiftCalls#1=1} Honda state: {ULTIMATE.start_stopRequestedInDirection_~respectInLiftCalls#1=1, ULTIMATE.start_stopRequestedInDirection_#in~respectInLiftCalls#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 18:07:12,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,358 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:07:12,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret24#1=0} Honda state: {ULTIMATE.start_isIdle_#t~ret24#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:07:12,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,388 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:07:12,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,397 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,397 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret51#1=0} Honda state: {ULTIMATE.start_timeShift_#t~ret51#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 18:07:12,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,416 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:07:12,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,425 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,425 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret26#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret26#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 18:07:12,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,444 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:07:12,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,454 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,454 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___2~4#1=0} Honda state: {ULTIMATE.start_timeShift_~tmp___2~4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 18:07:12,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:07:12,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,483 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:07:12,483 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret33#1=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret33#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:07:12,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 18:07:12,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,502 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:07:12,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:07:12,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:12,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 18:07:12,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:12,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:12,533 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:12,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:07:12,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:07:12,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:07:13,415 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 18:07:13,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:13,420 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:07:13,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:07:13,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:07:13,420 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:07:13,420 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:07:13,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:13,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:07:13,420 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:07:13,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product09.cil.c_Iteration11_Loop [2021-12-06 18:07:13,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:07:13,420 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:07:13,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:07:13,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:07:13,914 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:07:13,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:13,916 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:13,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:07:13,917 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 [2021-12-06 18:07:13,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:13,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:13,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:13,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:13,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:13,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:13,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:13,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:13,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 18:07:13,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:13,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:13,948 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:13,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:07:13,949 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 [2021-12-06 18:07:13,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:13,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:13,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:13,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:13,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:13,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:13,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:13,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:13,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:13,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:13,977 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:13,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:07:13,979 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 [2021-12-06 18:07:13,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:13,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:13,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:13,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:13,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:13,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:13,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:13,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 18:07:14,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,008 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:07:14,009 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 [2021-12-06 18:07:14,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 18:07:14,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,037 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:07:14,039 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 [2021-12-06 18:07:14,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,066 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:07:14,067 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 [2021-12-06 18:07:14,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 18:07:14,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,095 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 18:07:14,096 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 [2021-12-06 18:07:14,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 18:07:14,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 18:07:14,126 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 [2021-12-06 18:07:14,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,155 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 18:07:14,177 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 [2021-12-06 18:07:14,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 18:07:14,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,205 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 18:07:14,206 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 [2021-12-06 18:07:14,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,233 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 18:07:14,234 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 [2021-12-06 18:07:14,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,263 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 18:07:14,264 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 [2021-12-06 18:07:14,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 18:07:14,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,292 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 18:07:14,293 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 [2021-12-06 18:07:14,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 18:07:14,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,321 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 18:07:14,323 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 [2021-12-06 18:07:14,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,352 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 18:07:14,353 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 [2021-12-06 18:07:14,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 18:07:14,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,382 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 18:07:14,383 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 [2021-12-06 18:07:14,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 18:07:14,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,411 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 18:07:14,412 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 [2021-12-06 18:07:14,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 18:07:14,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,441 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 18:07:14,443 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 [2021-12-06 18:07:14,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,470 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 18:07:14,472 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 [2021-12-06 18:07:14,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,499 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 18:07:14,500 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 [2021-12-06 18:07:14,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 18:07:14,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,528 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 18:07:14,529 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 [2021-12-06 18:07:14,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 18:07:14,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,557 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 18:07:14,558 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 [2021-12-06 18:07:14,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 18:07:14,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,585 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 18:07:14,586 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 [2021-12-06 18:07:14,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 18:07:14,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,615 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 18:07:14,617 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 [2021-12-06 18:07:14,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 18:07:14,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,644 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 18:07:14,645 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 [2021-12-06 18:07:14,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 18:07:14,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,674 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 18:07:14,675 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 [2021-12-06 18:07:14,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 18:07:14,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,704 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 18:07:14,705 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 [2021-12-06 18:07:14,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 18:07:14,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,732 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 18:07:14,733 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 [2021-12-06 18:07:14,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 18:07:14,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,761 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 18:07:14,763 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 [2021-12-06 18:07:14,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 18:07:14,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,794 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 18:07:14,795 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 [2021-12-06 18:07:14,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,824 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 18:07:14,825 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 [2021-12-06 18:07:14,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 18:07:14,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,853 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 18:07:14,854 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 [2021-12-06 18:07:14,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 18:07:14,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,882 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 18:07:14,883 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 [2021-12-06 18:07:14,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:07:14,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 18:07:14,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,911 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 18:07:14,912 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 [2021-12-06 18:07:14,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:07:14,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:07:14,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:07:14,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:07:14,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:07:14,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:07:14,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:07:14,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:07:14,931 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 18:07:14,931 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 18:07:14,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:07:14,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:07:14,941 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:07:14,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 18:07:14,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:07:14,945 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 18:07:14,946 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:07:14,946 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~currentFloorID~0) = -2*~currentFloorID~0 + 1 Supporting invariants [] [2021-12-06 18:07:14,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 18:07:14,966 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 18:07:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:15,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:07:15,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:07:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:15,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:07:15,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:07:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:15,366 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 18:07:15,366 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11437 states and 21135 transitions. cyclomatic complexity: 9699 Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-12-06 18:07:15,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11437 states and 21135 transitions. cyclomatic complexity: 9699. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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 37563 states and 68975 transitions. Complement of second has 8 states. [2021-12-06 18:07:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 18:07:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-12-06 18:07:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6429 transitions. [2021-12-06 18:07:16,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6429 transitions. Stem has 51 letters. Loop has 50 letters. [2021-12-06 18:07:16,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:07:16,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6429 transitions. Stem has 101 letters. Loop has 50 letters. [2021-12-06 18:07:16,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:07:16,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6429 transitions. Stem has 51 letters. Loop has 100 letters. [2021-12-06 18:07:16,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:07:16,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37563 states and 68975 transitions. [2021-12-06 18:07:16,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16448 [2021-12-06 18:07:16,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37563 states to 29221 states and 53476 transitions. [2021-12-06 18:07:16,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20321 [2021-12-06 18:07:16,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20330 [2021-12-06 18:07:16,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29221 states and 53476 transitions. [2021-12-06 18:07:16,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:16,319 INFO L681 BuchiCegarLoop]: Abstraction has 29221 states and 53476 transitions. [2021-12-06 18:07:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29221 states and 53476 transitions. [2021-12-06 18:07:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29221 to 29200. [2021-12-06 18:07:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29200 states, 29200 states have (on average 1.830650684931507) internal successors, (53455), 29199 states have internal predecessors, (53455), 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) [2021-12-06 18:07:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29200 states to 29200 states and 53455 transitions. [2021-12-06 18:07:16,691 INFO L704 BuchiCegarLoop]: Abstraction has 29200 states and 53455 transitions. [2021-12-06 18:07:16,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:16,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:07:16,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:07:16,691 INFO L87 Difference]: Start difference. First operand 29200 states and 53455 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 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) [2021-12-06 18:07:16,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:16,810 INFO L93 Difference]: Finished difference Result 29200 states and 53449 transitions. [2021-12-06 18:07:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:07:16,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29200 states and 53449 transitions. [2021-12-06 18:07:16,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16448 [2021-12-06 18:07:17,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29200 states to 29200 states and 53449 transitions. [2021-12-06 18:07:17,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20315 [2021-12-06 18:07:17,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20315 [2021-12-06 18:07:17,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29200 states and 53449 transitions. [2021-12-06 18:07:17,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:17,056 INFO L681 BuchiCegarLoop]: Abstraction has 29200 states and 53449 transitions. [2021-12-06 18:07:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29200 states and 53449 transitions. [2021-12-06 18:07:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29200 to 29200. [2021-12-06 18:07:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29200 states, 29200 states have (on average 1.830445205479452) internal successors, (53449), 29199 states have internal predecessors, (53449), 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) [2021-12-06 18:07:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29200 states to 29200 states and 53449 transitions. [2021-12-06 18:07:17,399 INFO L704 BuchiCegarLoop]: Abstraction has 29200 states and 53449 transitions. [2021-12-06 18:07:17,399 INFO L587 BuchiCegarLoop]: Abstraction has 29200 states and 53449 transitions. [2021-12-06 18:07:17,399 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 18:07:17,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29200 states and 53449 transitions. [2021-12-06 18:07:17,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16448 [2021-12-06 18:07:17,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:17,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:17,478 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:17,479 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:17,479 INFO L791 eck$LassoCheckResult]: Stem: 426767#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 426768#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 428811#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425370#L3291 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; 425371#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 428220#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 428221#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 426046#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 426047#L3110 assume !(0 == getOrigin_~person#1); 427576#L3114 assume !(1 == getOrigin_~person#1); 427577#L3118 assume !(2 == getOrigin_~person#1); 427924#L3122 assume !(3 == getOrigin_~person#1); 427925#L3126 assume !(4 == getOrigin_~person#1); 428713#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 427037#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 427038#L423 assume 0 == initPersonOnFloor_~floor#1; 426735#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 425406#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 426114#L215 assume !(0 == callOnFloor_~floorID#1); 427180#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 425346#L227-2 assume { :end_inline_callOnFloor } true; 425347#L567 assume { :end_inline_initPersonOnFloor } true; 425366#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 427400#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 427401#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 428551#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 425854#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 425855#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 428158#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 428607#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 428885#L2083 assume !(0 != timeShift_~tmp___9~2#1); 428156#L2174 assume !(1 == ~doorState~0); 428157#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 428453#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 428181#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 426084#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 427067#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 427068#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 428700#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 428879#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 425532#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 425508#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 426797#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 427288#L1901-2 assume !(1 == ~currentHeading~0); 427290#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 427470#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 428161#L1917-5 assume { :end_inline_continueInDirection } true; 426511#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 428929#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 428925#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 428923#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 428921#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 428917#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 428918#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 431453#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 428900#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 428898#L879-2 assume !false; 428899#L880 [2021-12-06 18:07:17,479 INFO L793 eck$LassoCheckResult]: Loop: 428899#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 438934#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 438933#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 438929#L887 assume 1 != cleanup_~tmp___0~0#1; 438927#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 438925#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 438923#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 438921#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 438919#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 438914#L152-22 assume !(0 == isFloorCalling_~floorID#1); 438907#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 438756#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 438755#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 438743#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 438741#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 438737#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 438734#L152-26 assume !(0 == isFloorCalling_~floorID#1); 438735#L156-26 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 438928#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 438926#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 438924#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 438916#L1342-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 438913#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 438911#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 438910#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 438904#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 438903#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 438902#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 438898#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 438899#L1694-2 assume !(0 == ~currentFloorID~0); 445265#L1700-2 assume ~currentFloorID~0 > 0; 445263#L1701-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 445264#L152-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 445757#L179-32 stopRequestedInDirection_#t~ret31#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret31#1;havoc stopRequestedInDirection_#t~ret31#1; 444777#L1705-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 444758#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 444756#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 444754#L1901-3 assume !(1 == ~currentHeading~0); 444753#L1911-9 assume !(0 == ~currentFloorID~0); 438492#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 438493#L1917-7 assume { :end_inline_continueInDirection } true; 438455#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 439025#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 438984#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 438964#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 439001#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 438944#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 438947#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 438937#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 438936#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 438935#L879-2 assume !false; 428899#L880 [2021-12-06 18:07:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1008175550, now seen corresponding path program 1 times [2021-12-06 18:07:17,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:17,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217980524] [2021-12-06 18:07:17,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:17,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:17,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:17,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217980524] [2021-12-06 18:07:17,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217980524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:17,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:17,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:17,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971243703] [2021-12-06 18:07:17,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:17,521 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:17,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2144814965, now seen corresponding path program 1 times [2021-12-06 18:07:17,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:17,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424688114] [2021-12-06 18:07:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:17,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:17,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:17,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424688114] [2021-12-06 18:07:17,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424688114] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:17,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:17,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:07:17,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023536929] [2021-12-06 18:07:17,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:17,553 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:17,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:07:17,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:07:17,554 INFO L87 Difference]: Start difference. First operand 29200 states and 53449 transitions. cyclomatic complexity: 24252 Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 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) [2021-12-06 18:07:19,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afb880a-8b47-45a6-9d69-48c1aa4c02d5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 18:07:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:19,243 INFO L93 Difference]: Finished difference Result 191891 states and 353512 transitions. [2021-12-06 18:07:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:07:19,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191891 states and 353512 transitions. [2021-12-06 18:07:19,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118046 [2021-12-06 18:07:20,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191891 states to 191891 states and 353512 transitions. [2021-12-06 18:07:20,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129639 [2021-12-06 18:07:20,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129639 [2021-12-06 18:07:20,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191891 states and 353512 transitions. [2021-12-06 18:07:20,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:20,415 INFO L681 BuchiCegarLoop]: Abstraction has 191891 states and 353512 transitions. [2021-12-06 18:07:20,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191891 states and 353512 transitions. [2021-12-06 18:07:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191891 to 56968. [2021-12-06 18:07:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56968 states, 56968 states have (on average 1.8285177643589383) internal successors, (104167), 56967 states have internal predecessors, (104167), 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) [2021-12-06 18:07:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56968 states to 56968 states and 104167 transitions. [2021-12-06 18:07:21,420 INFO L704 BuchiCegarLoop]: Abstraction has 56968 states and 104167 transitions. [2021-12-06 18:07:21,420 INFO L587 BuchiCegarLoop]: Abstraction has 56968 states and 104167 transitions. [2021-12-06 18:07:21,420 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 18:07:21,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56968 states and 104167 transitions. [2021-12-06 18:07:21,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 32936 [2021-12-06 18:07:21,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:21,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:21,551 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:21,551 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:21,551 INFO L791 eck$LassoCheckResult]: Stem: 647920#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 647921#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 650009#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 646512#L3291 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; 646513#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 649399#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 649400#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 647194#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 647195#L3110 assume !(0 == getOrigin_~person#1); 648740#L3114 assume !(1 == getOrigin_~person#1); 648741#L3118 assume !(2 == getOrigin_~person#1); 649089#L3122 assume !(3 == getOrigin_~person#1); 649090#L3126 assume !(4 == getOrigin_~person#1); 649908#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 648194#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 648195#L423 assume 0 == initPersonOnFloor_~floor#1; 647889#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 646553#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 647264#L215 assume !(0 == callOnFloor_~floorID#1); 648340#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 646493#L227-2 assume { :end_inline_callOnFloor } true; 646494#L567 assume { :end_inline_initPersonOnFloor } true; 649194#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 649195#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 649735#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 649736#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 646998#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 646999#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 649795#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 649796#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 650100#L2083 assume !(0 != timeShift_~tmp___9~2#1); 650101#L2174 assume !(1 == ~doorState~0); 650087#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 650088#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 653781#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 653766#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 653819#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 653761#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 653818#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 653813#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 646679#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 646651#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 647952#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 648445#L1901-2 assume !(1 == ~currentHeading~0); 648447#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 648624#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 649753#L1917-5 assume { :end_inline_continueInDirection } true; 647667#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 657295#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 657290#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 657279#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 657277#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 657085#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 657088#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 657077#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 656739#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 653855#L879-2 assume !false; 653856#L880 [2021-12-06 18:07:21,551 INFO L793 eck$LassoCheckResult]: Loop: 653856#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 670360#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 670359#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 670357#L887 assume 1 != cleanup_~tmp___0~0#1; 670336#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 670101#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 670102#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 670096#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 670098#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 670091#L152-22 assume !(0 == isFloorCalling_~floorID#1); 670092#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 670086#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 670087#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 670309#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 670308#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 670307#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 670304#L152-26 assume !(0 == isFloorCalling_~floorID#1); 670301#L156-26 assume !(1 == isFloorCalling_~floorID#1); 670299#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 670297#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 670296#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 670295#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 670292#L1342-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 670290#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 670288#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 670287#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 670285#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 670284#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 670283#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 670281#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 670282#L1694-2 assume !(0 == ~currentFloorID~0); 676204#L1700-2 assume ~currentFloorID~0 > 0; 676203#L1701-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 676202#L152-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 676201#L179-32 stopRequestedInDirection_#t~ret31#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret31#1;havoc stopRequestedInDirection_#t~ret31#1; 676191#L1705-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 676172#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 676126#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 676114#L1901-3 assume !(1 == ~currentHeading~0); 671926#L1911-9 assume !(0 == ~currentFloorID~0); 670224#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 670204#L1917-7 assume { :end_inline_continueInDirection } true; 670198#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 670195#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 670191#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 670178#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 670552#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 670375#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 670376#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 670372#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 670370#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 670369#L879-2 assume !false; 653856#L880 [2021-12-06 18:07:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1008175550, now seen corresponding path program 2 times [2021-12-06 18:07:21,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:21,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484069112] [2021-12-06 18:07:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:21,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:21,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:21,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484069112] [2021-12-06 18:07:21,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484069112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:21,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:21,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:21,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762051979] [2021-12-06 18:07:21,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:21,586 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:21,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:21,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1415430684, now seen corresponding path program 1 times [2021-12-06 18:07:21,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:21,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046760613] [2021-12-06 18:07:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:21,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:21,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:21,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046760613] [2021-12-06 18:07:21,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046760613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:21,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:21,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:21,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547777516] [2021-12-06 18:07:21,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:21,607 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:21,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:21,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:21,608 INFO L87 Difference]: Start difference. First operand 56968 states and 104167 transitions. cyclomatic complexity: 47202 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:23,058 INFO L93 Difference]: Finished difference Result 160202 states and 294194 transitions. [2021-12-06 18:07:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:23,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160202 states and 294194 transitions. [2021-12-06 18:07:23,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97348 [2021-12-06 18:07:24,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160202 states to 160202 states and 294194 transitions. [2021-12-06 18:07:24,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108524 [2021-12-06 18:07:24,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 108524 [2021-12-06 18:07:24,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160202 states and 294194 transitions. [2021-12-06 18:07:24,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:24,195 INFO L681 BuchiCegarLoop]: Abstraction has 160202 states and 294194 transitions. [2021-12-06 18:07:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160202 states and 294194 transitions. [2021-12-06 18:07:25,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160202 to 77812. [2021-12-06 18:07:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77812 states, 77812 states have (on average 1.8383282784146404) internal successors, (143044), 77811 states have internal predecessors, (143044), 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) [2021-12-06 18:07:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77812 states to 77812 states and 143044 transitions. [2021-12-06 18:07:25,284 INFO L704 BuchiCegarLoop]: Abstraction has 77812 states and 143044 transitions. [2021-12-06 18:07:25,284 INFO L587 BuchiCegarLoop]: Abstraction has 77812 states and 143044 transitions. [2021-12-06 18:07:25,284 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 18:07:25,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77812 states and 143044 transitions. [2021-12-06 18:07:25,596 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46832 [2021-12-06 18:07:25,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:25,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:25,597 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:25,597 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:25,597 INFO L791 eck$LassoCheckResult]: Stem: 865131#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 865132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 867284#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 863708#L3291 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; 863709#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 866636#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 866637#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 864395#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 864396#L3110 assume !(0 == getOrigin_~person#1); 865961#L3114 assume !(1 == getOrigin_~person#1); 865962#L3118 assume !(2 == getOrigin_~person#1); 866325#L3122 assume !(3 == getOrigin_~person#1); 866326#L3126 assume !(4 == getOrigin_~person#1); 867183#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 865414#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 865415#L423 assume 0 == initPersonOnFloor_~floor#1; 865102#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 863749#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 864469#L215 assume !(0 == callOnFloor_~floorID#1); 865556#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 865557#L227-2 assume { :end_inline_callOnFloor } true; 867575#L567 assume { :end_inline_initPersonOnFloor } true; 867574#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 867573#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 867572#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 867571#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 867570#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 867569#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 867567#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 867566#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 867564#L2083 assume !(0 != timeShift_~tmp___9~2#1); 867563#L2174 assume !(1 == ~doorState~0); 867562#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 867561#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 866591#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 866341#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 865443#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 865444#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 867166#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 867634#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 863875#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 863847#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 865165#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 867245#L1901-2 assume !(1 == ~currentHeading~0); 867535#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 866566#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 866567#L1917-5 assume { :end_inline_continueInDirection } true; 867524#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 872677#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 872672#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 872660#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 872661#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 872614#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 872617#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 872607#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 872604#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 872600#L879-2 assume !false; 872601#L880 [2021-12-06 18:07:25,597 INFO L793 eck$LassoCheckResult]: Loop: 872601#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 902298#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 902296#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 902294#L887 assume 1 != cleanup_~tmp___0~0#1; 902292#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 902290#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 902288#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 902285#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 902286#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 906839#L152-22 assume !(0 == isFloorCalling_~floorID#1); 906835#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 906821#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 906814#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 894914#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 894915#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 894862#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 894863#L152-26 assume !(0 == isFloorCalling_~floorID#1); 901913#L156-26 assume !(1 == isFloorCalling_~floorID#1); 894629#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 894626#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 894624#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 894623#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 894622#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 894620#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 894618#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 894616#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 894615#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 894613#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 894612#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 894611#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 894609#L1525-2 assume !(1 == stopRequestedInDirection_~dir#1); 894610#L1694-2 assume !(0 == ~currentFloorID~0); 894907#L1700-2 assume ~currentFloorID~0 > 0; 894905#L1701-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 894906#L152-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 894908#L179-32 stopRequestedInDirection_#t~ret31#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret31#1;havoc stopRequestedInDirection_#t~ret31#1; 894902#L1705-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 894903#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 895187#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 895186#L1901-3 assume !(1 == ~currentHeading~0); 895183#L1911-9 assume !(0 == ~currentFloorID~0); 895106#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 894336#L1917-7 assume { :end_inline_continueInDirection } true; 894333#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 902351#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 902349#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 902338#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 902345#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 902325#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 902328#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 902305#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 902303#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 902301#L879-2 assume !false; 872601#L880 [2021-12-06 18:07:25,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:25,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1008175550, now seen corresponding path program 3 times [2021-12-06 18:07:25,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:25,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814712338] [2021-12-06 18:07:25,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:25,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:25,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:25,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814712338] [2021-12-06 18:07:25,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814712338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:25,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:25,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:25,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548583687] [2021-12-06 18:07:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:25,631 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:25,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash 58182811, now seen corresponding path program 1 times [2021-12-06 18:07:25,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:25,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4532030] [2021-12-06 18:07:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:25,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:25,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:25,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4532030] [2021-12-06 18:07:25,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4532030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:25,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:25,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:07:25,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151036115] [2021-12-06 18:07:25,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:25,667 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:25,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:07:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:07:25,667 INFO L87 Difference]: Start difference. First operand 77812 states and 143044 transitions. cyclomatic complexity: 65235 Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:26,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:26,665 INFO L93 Difference]: Finished difference Result 110204 states and 202254 transitions. [2021-12-06 18:07:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 18:07:26,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110204 states and 202254 transitions. [2021-12-06 18:07:27,205 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 65074 [2021-12-06 18:07:27,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110204 states to 110204 states and 202254 transitions. [2021-12-06 18:07:27,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74138 [2021-12-06 18:07:27,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74138 [2021-12-06 18:07:27,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110204 states and 202254 transitions. [2021-12-06 18:07:27,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:27,491 INFO L681 BuchiCegarLoop]: Abstraction has 110204 states and 202254 transitions. [2021-12-06 18:07:27,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110204 states and 202254 transitions. [2021-12-06 18:07:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110204 to 45550. [2021-12-06 18:07:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45550 states, 45550 states have (on average 1.836926454445664) internal successors, (83672), 45549 states have internal predecessors, (83672), 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) [2021-12-06 18:07:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45550 states to 45550 states and 83672 transitions. [2021-12-06 18:07:28,241 INFO L704 BuchiCegarLoop]: Abstraction has 45550 states and 83672 transitions. [2021-12-06 18:07:28,242 INFO L587 BuchiCegarLoop]: Abstraction has 45550 states and 83672 transitions. [2021-12-06 18:07:28,242 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 18:07:28,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45550 states and 83672 transitions. [2021-12-06 18:07:28,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 25578 [2021-12-06 18:07:28,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:28,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:28,316 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:28,316 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:28,316 INFO L791 eck$LassoCheckResult]: Stem: 1053171#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1053172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1055303#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1051757#L3291 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; 1051758#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1054655#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1054656#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1052444#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 1052445#L3110 assume !(0 == getOrigin_~person#1); 1053995#L3114 assume !(1 == getOrigin_~person#1); 1053996#L3118 assume !(2 == getOrigin_~person#1); 1054346#L3122 assume !(3 == getOrigin_~person#1); 1054347#L3126 assume !(4 == getOrigin_~person#1); 1055192#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1053448#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1053449#L423 assume 0 == initPersonOnFloor_~floor#1; 1053141#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1051793#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1052514#L215 assume !(0 == callOnFloor_~floorID#1); 1053595#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1053596#L227-2 assume { :end_inline_callOnFloor } true; 1055407#L567 assume { :end_inline_initPersonOnFloor } true; 1055406#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1055405#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1055404#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1055403#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1052246#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1052247#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1054589#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1055076#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1055410#L2083 assume !(0 != timeShift_~tmp___9~2#1); 1054587#L2174 assume !(1 == ~doorState~0); 1054588#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1054906#L1525 assume !(1 == stopRequestedInDirection_~dir#1); 1054907#L1694 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1053885#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1068002#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 1055414#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 1068001#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1068000#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 1051920#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1051895#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 1053205#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1055269#L1901-2 assume !(1 == ~currentHeading~0); 1067962#L1911-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1054590#L1911-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1054591#L1917-5 assume { :end_inline_continueInDirection } true; 1054385#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1054386#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1055250#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1052485#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1053891#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1053892#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1055167#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1052915#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1051823#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1051824#L879-2 assume !false; 1068069#L880 [2021-12-06 18:07:28,316 INFO L793 eck$LassoCheckResult]: Loop: 1068069#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1075640#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 1075636#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1075630#L887 assume 1 != cleanup_~tmp___0~0#1; 1075539#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1075536#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1075534#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 1075508#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 1075501#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1075469#L152-22 assume !(0 == isFloorCalling_~floorID#1); 1075461#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1075457#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 1075378#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 1072205#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 1075353#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1073209#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1073202#L152-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1073203#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1079032#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1079033#L1338-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1079036#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1079034#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1079035#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1079022#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 1079023#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 1085045#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1085044#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1085043#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1085041#L1529-2 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1085040#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1085039#L2182-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 1085037#L1956-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 1085035#L1961-2 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1085036#L1525-3 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1085033#L726-7 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1085031#L1529-3 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1085030#L1847-3 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 1085028#L2191-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1085026#L1901-5 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1085020#L726-9 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 1085014#L1905-15 assume !(0 != continueInDirection_~tmp~13#1); 1085008#L1911-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1084977#L1917-11 assume { :end_inline_continueInDirection } true; 1084975#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1084974#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1084972#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1084967#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1084968#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1084957#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1084960#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1084934#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1084931#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1084881#L879-2 assume !false; 1068069#L880 [2021-12-06 18:07:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1008175550, now seen corresponding path program 4 times [2021-12-06 18:07:28,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:28,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907918848] [2021-12-06 18:07:28,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:28,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:28,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:28,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907918848] [2021-12-06 18:07:28,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907918848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:28,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:28,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:28,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447003148] [2021-12-06 18:07:28,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:28,345 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:28,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:28,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1264512449, now seen corresponding path program 1 times [2021-12-06 18:07:28,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:28,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802984074] [2021-12-06 18:07:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:28,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:28,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:28,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802984074] [2021-12-06 18:07:28,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802984074] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:28,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:28,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:07:28,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387567237] [2021-12-06 18:07:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:28,372 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:28,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:28,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:07:28,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:07:28,372 INFO L87 Difference]: Start difference. First operand 45550 states and 83672 transitions. cyclomatic complexity: 38127 Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:30,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:30,327 INFO L93 Difference]: Finished difference Result 451512 states and 835350 transitions. [2021-12-06 18:07:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 18:07:30,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 451512 states and 835350 transitions. [2021-12-06 18:07:32,325 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 318280 [2021-12-06 18:07:33,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 451512 states to 451430 states and 835254 transitions. [2021-12-06 18:07:33,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 326958 [2021-12-06 18:07:33,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 326958 [2021-12-06 18:07:33,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 451430 states and 835254 transitions. [2021-12-06 18:07:33,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:33,743 INFO L681 BuchiCegarLoop]: Abstraction has 451430 states and 835254 transitions. [2021-12-06 18:07:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451430 states and 835254 transitions. [2021-12-06 18:07:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451430 to 89474. [2021-12-06 18:07:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89474 states, 89474 states have (on average 1.8429040838679394) internal successors, (164892), 89473 states have internal predecessors, (164892), 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) [2021-12-06 18:07:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89474 states to 89474 states and 164892 transitions. [2021-12-06 18:07:35,860 INFO L704 BuchiCegarLoop]: Abstraction has 89474 states and 164892 transitions. [2021-12-06 18:07:35,860 INFO L587 BuchiCegarLoop]: Abstraction has 89474 states and 164892 transitions. [2021-12-06 18:07:35,860 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 18:07:35,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89474 states and 164892 transitions. [2021-12-06 18:07:36,219 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 57650 [2021-12-06 18:07:36,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:36,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:36,220 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:36,221 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:36,221 INFO L791 eck$LassoCheckResult]: Stem: 1550277#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1550278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1552417#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1548886#L3291 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; 1548887#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1551751#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1551752#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1549556#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 1549557#L3110 assume !(0 == getOrigin_~person#1); 1551097#L3114 assume !(1 == getOrigin_~person#1); 1551098#L3118 assume !(2 == getOrigin_~person#1); 1551451#L3122 assume !(3 == getOrigin_~person#1); 1551452#L3126 assume !(4 == getOrigin_~person#1); 1552300#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1550546#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1550547#L423 assume 0 == initPersonOnFloor_~floor#1; 1550246#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1548923#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1549621#L215 assume !(0 == callOnFloor_~floorID#1); 1550685#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1550686#L227-2 assume { :end_inline_callOnFloor } true; 1552813#L567 assume { :end_inline_initPersonOnFloor } true; 1552812#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1552811#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1552810#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1552809#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1552808#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1552807#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1552805#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1552804#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1552802#L2083 assume !(0 != timeShift_~tmp___9~2#1); 1552801#L2174 assume !(1 == ~doorState~0); 1552800#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1552799#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1552798#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1552797#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1550984#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1550575#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 1550576#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 1552816#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1552814#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 1549044#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1549045#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 1552374#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1552375#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1552434#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 1552435#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 1552538#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1551690#L1917-5 assume { :end_inline_continueInDirection } true; 1599515#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1599514#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1599511#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1599507#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1599508#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1599496#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1599499#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1599491#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1599489#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1599490#L879-2 assume !false; 1599316#L880 [2021-12-06 18:07:36,221 INFO L793 eck$LassoCheckResult]: Loop: 1599316#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1599313#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 1599309#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1599304#L887 assume 1 != cleanup_~tmp___0~0#1; 1599289#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1599283#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1599270#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 1599267#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 1599263#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1599256#L152-22 assume !(0 == isFloorCalling_~floorID#1); 1599252#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1599253#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 1599191#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 1599178#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 1599174#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1599170#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1599038#L152-26 assume !(0 == isFloorCalling_~floorID#1); 1599039#L156-26 assume !(1 == isFloorCalling_~floorID#1); 1590610#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1590608#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1590607#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1590606#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1590605#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1590603#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1590601#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1590599#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1590598#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1590596#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 1590595#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 1571729#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1571712#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1571713#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1571683#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 1571685#L1535-2 assume !(~currentFloorID~0 < 0); 1571743#L1550-2 assume !(~currentFloorID~0 < 0); 1571741#L1563-2 assume !(~currentFloorID~0 < 1); 1571739#L1579-2 assume !(~currentFloorID~0 < 1); 1571738#L1592-2 assume !(~currentFloorID~0 < 2); 1571697#L1608-2 assume ~currentFloorID~0 < 2; 1571709#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1571694#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1571463#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1571464#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1598972#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1591402#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 1591403#L1905-9 assume !(0 != continueInDirection_~tmp~13#1); 1599629#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1599621#L1917-7 assume { :end_inline_continueInDirection } true; 1599608#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1599572#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1599563#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1599551#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1599559#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1599532#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1599535#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1599523#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1599488#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1599332#L879-2 assume !false; 1599316#L880 [2021-12-06 18:07:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash 785839570, now seen corresponding path program 1 times [2021-12-06 18:07:36,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:36,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483544747] [2021-12-06 18:07:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:36,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:36,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:36,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483544747] [2021-12-06 18:07:36,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483544747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:36,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:36,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:36,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595615176] [2021-12-06 18:07:36,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:36,256 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:36,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1674399403, now seen corresponding path program 1 times [2021-12-06 18:07:36,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:36,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452967280] [2021-12-06 18:07:36,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:36,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:36,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:36,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452967280] [2021-12-06 18:07:36,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452967280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:36,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:36,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:36,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215217291] [2021-12-06 18:07:36,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:36,286 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:36,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:36,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:36,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:36,287 INFO L87 Difference]: Start difference. First operand 89474 states and 164892 transitions. cyclomatic complexity: 75430 Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-12-06 18:07:37,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:37,096 INFO L93 Difference]: Finished difference Result 119790 states and 219565 transitions. [2021-12-06 18:07:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:07:37,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119790 states and 219565 transitions. [2021-12-06 18:07:37,650 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 77568 [2021-12-06 18:07:37,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119790 states to 119790 states and 219565 transitions. [2021-12-06 18:07:37,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 85420 [2021-12-06 18:07:37,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85420 [2021-12-06 18:07:37,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119790 states and 219565 transitions. [2021-12-06 18:07:37,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:37,986 INFO L681 BuchiCegarLoop]: Abstraction has 119790 states and 219565 transitions. [2021-12-06 18:07:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119790 states and 219565 transitions. [2021-12-06 18:07:38,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119790 to 116254. [2021-12-06 18:07:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116254 states, 116254 states have (on average 1.839859273659401) internal successors, (213891), 116253 states have internal predecessors, (213891), 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) [2021-12-06 18:07:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116254 states to 116254 states and 213891 transitions. [2021-12-06 18:07:39,422 INFO L704 BuchiCegarLoop]: Abstraction has 116254 states and 213891 transitions. [2021-12-06 18:07:39,422 INFO L587 BuchiCegarLoop]: Abstraction has 116254 states and 213891 transitions. [2021-12-06 18:07:39,422 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 18:07:39,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116254 states and 213891 transitions. [2021-12-06 18:07:39,656 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 76312 [2021-12-06 18:07:39,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:39,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:39,657 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:39,657 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:39,657 INFO L791 eck$LassoCheckResult]: Stem: 1759553#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1759554#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1761676#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1758159#L3291 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; 1758160#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1761028#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1761029#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1758831#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 1758832#L3110 assume !(0 == getOrigin_~person#1); 1760374#L3114 assume !(1 == getOrigin_~person#1); 1760375#L3118 assume !(2 == getOrigin_~person#1); 1760735#L3122 assume !(3 == getOrigin_~person#1); 1760736#L3126 assume !(4 == getOrigin_~person#1); 1761566#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 1759822#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1759823#L423 assume 0 == initPersonOnFloor_~floor#1; 1759522#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1758195#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1758898#L215 assume !(0 == callOnFloor_~floorID#1); 1759968#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1759969#L227-2 assume { :end_inline_callOnFloor } true; 1761794#L567 assume { :end_inline_initPersonOnFloor } true; 1761795#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1761790#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1761791#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1761785#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1761787#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1760968#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1760969#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1761799#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1761800#L2083 assume !(0 != timeShift_~tmp___9~2#1); 1760966#L2174 assume !(1 == ~doorState~0); 1760967#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1761288#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1761289#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1758869#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1758871#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1759856#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 1759857#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 1761314#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1761199#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 1761200#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1761979#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 1761978#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1761977#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1761694#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 1761695#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 1761801#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1761414#L1917-5 assume { :end_inline_continueInDirection } true; 1759295#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1779807#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1779804#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1779800#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1779801#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1779789#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1779792#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1779784#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1779783#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1779780#L879-2 assume !false; 1779782#L880 [2021-12-06 18:07:39,658 INFO L793 eck$LassoCheckResult]: Loop: 1779782#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1845570#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 1845568#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1845566#L887 assume 1 != cleanup_~tmp___0~0#1; 1845564#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1845562#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1845560#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 1845558#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 1845555#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1843017#L152-22 assume !(0 == isFloorCalling_~floorID#1); 1843018#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1846150#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 1842970#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 1830645#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 1842952#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1842953#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 1845998#L152-26 assume !(0 == isFloorCalling_~floorID#1); 1845994#L156-26 assume !(1 == isFloorCalling_~floorID#1); 1845995#L160-26 assume !(2 == isFloorCalling_~floorID#1); 1850428#L164-26 assume 3 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_3~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 1850425#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 1850421#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 1850423#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1850433#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1850430#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 1850426#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 1850424#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 1850418#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 1850419#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 1857457#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 1857456#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1857455#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1830392#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 1857454#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 1857452#L1535-2 assume !(~currentFloorID~0 < 0); 1857450#L1550-2 assume !(~currentFloorID~0 < 0); 1857448#L1563-2 assume !(~currentFloorID~0 < 1); 1857446#L1579-2 assume !(~currentFloorID~0 < 1); 1857445#L1592-2 assume !(~currentFloorID~0 < 2); 1857437#L1608-2 assume ~currentFloorID~0 < 2; 1857462#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1857434#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 1850566#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1850563#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 1850560#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 1850558#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 1850556#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 1843133#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1843122#L1917-7 assume { :end_inline_continueInDirection } true; 1843119#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 1845613#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 1845611#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 1845605#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 1845604#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 1845597#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 1845600#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 1845577#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1845575#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1845573#L879-2 assume !false; 1779782#L880 [2021-12-06 18:07:39,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:39,658 INFO L85 PathProgramCache]: Analyzing trace with hash 785839570, now seen corresponding path program 2 times [2021-12-06 18:07:39,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:39,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139927061] [2021-12-06 18:07:39,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:39,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:39,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:39,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139927061] [2021-12-06 18:07:39,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139927061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:39,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:39,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:39,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917003062] [2021-12-06 18:07:39,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:39,696 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:39,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:39,696 INFO L85 PathProgramCache]: Analyzing trace with hash 918670645, now seen corresponding path program 1 times [2021-12-06 18:07:39,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:39,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314252467] [2021-12-06 18:07:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:39,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:39,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:39,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314252467] [2021-12-06 18:07:39,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314252467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:39,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:39,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:39,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934450117] [2021-12-06 18:07:39,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:39,719 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:39,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:39,719 INFO L87 Difference]: Start difference. First operand 116254 states and 213891 transitions. cyclomatic complexity: 97651 Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:41,309 INFO L93 Difference]: Finished difference Result 258398 states and 473614 transitions. [2021-12-06 18:07:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:07:41,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258398 states and 473614 transitions. [2021-12-06 18:07:42,293 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 177292 [2021-12-06 18:07:43,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258398 states to 258398 states and 473614 transitions. [2021-12-06 18:07:43,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189532 [2021-12-06 18:07:43,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189532 [2021-12-06 18:07:43,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258398 states and 473614 transitions. [2021-12-06 18:07:43,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:43,170 INFO L681 BuchiCegarLoop]: Abstraction has 258398 states and 473614 transitions. [2021-12-06 18:07:43,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258398 states and 473614 transitions. [2021-12-06 18:07:44,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258398 to 141062. [2021-12-06 18:07:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141062 states, 141062 states have (on average 1.8428634217578086) internal successors, (259958), 141061 states have internal predecessors, (259958), 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) [2021-12-06 18:07:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141062 states to 141062 states and 259958 transitions. [2021-12-06 18:07:45,210 INFO L704 BuchiCegarLoop]: Abstraction has 141062 states and 259958 transitions. [2021-12-06 18:07:45,210 INFO L587 BuchiCegarLoop]: Abstraction has 141062 states and 259958 transitions. [2021-12-06 18:07:45,211 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 18:07:45,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141062 states and 259958 transitions. [2021-12-06 18:07:45,708 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 94024 [2021-12-06 18:07:45,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:45,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:45,709 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:45,709 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:45,709 INFO L791 eck$LassoCheckResult]: Stem: 2134219#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2134220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2136338#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2132834#L3291 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; 2132835#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2135711#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2135712#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2133502#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 2133503#L3110 assume !(0 == getOrigin_~person#1); 2135047#L3114 assume !(1 == getOrigin_~person#1); 2135048#L3118 assume !(2 == getOrigin_~person#1); 2135412#L3122 assume !(3 == getOrigin_~person#1); 2135413#L3126 assume !(4 == getOrigin_~person#1); 2136241#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 2134488#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2134489#L423 assume 0 == initPersonOnFloor_~floor#1; 2134188#L424 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2132874#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2133565#L215 assume !(0 == callOnFloor_~floorID#1); 2134629#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 2132815#L227-2 assume { :end_inline_callOnFloor } true; 2132816#L567 assume { :end_inline_initPersonOnFloor } true; 2136454#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2136455#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2136450#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2136451#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2133314#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2133315#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2136124#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2136126#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2136457#L2083 assume !(0 != timeShift_~tmp___9~2#1); 2136459#L2174 assume !(1 == ~doorState~0); 2136439#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2136440#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2134136#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2134137#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2136655#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2136654#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 2136647#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 2136653#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2136652#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 2136651#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2136650#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 2136649#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2136648#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2136358#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2136359#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 2136462#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2136084#L1917-5 assume { :end_inline_continueInDirection } true; 2133966#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2159529#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2159526#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2159522#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2159523#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2159511#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2159514#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2159506#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2159505#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 2159503#L879-2 assume !false; 2159504#L880 [2021-12-06 18:07:45,709 INFO L793 eck$LassoCheckResult]: Loop: 2159504#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 2208020#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 2208019#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 2208018#L887 assume 1 != cleanup_~tmp___0~0#1; 2208017#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2208016#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2208014#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 2208015#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 2213764#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2213760#L152-22 assume !(0 == isFloorCalling_~floorID#1); 2213761#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2258405#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 2258341#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 2212254#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 2212255#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 2207955#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2207956#L152-26 assume !(0 == isFloorCalling_~floorID#1); 2254581#L156-26 assume !(1 == isFloorCalling_~floorID#1); 2254582#L160-26 assume !(2 == isFloorCalling_~floorID#1); 2212065#L164-26 assume 3 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_3~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2212063#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2212058#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2212057#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 2212056#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 2212055#L1346-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 2212054#L1350-1 assume 3 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_3~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2212052#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2212050#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2212049#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2212047#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 2212046#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 2212045#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2212044#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2211728#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2212042#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 2212039#L1535-2 assume !(~currentFloorID~0 < 0); 2212040#L1550-2 assume !(~currentFloorID~0 < 0); 2212070#L1563-2 assume !(~currentFloorID~0 < 1); 2212071#L1579-2 assume !(~currentFloorID~0 < 1); 2212289#L1592-2 assume !(~currentFloorID~0 < 2); 2212267#L1608-2 assume ~currentFloorID~0 < 2; 2212291#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 2212264#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2211988#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2211989#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2258898#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2258896#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2215664#L1905-9 assume !(0 != continueInDirection_~tmp~13#1); 2211777#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2211778#L1917-7 assume { :end_inline_continueInDirection } true; 2208064#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2208065#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2208060#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2208050#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2208052#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2208030#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2208033#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2208023#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2208022#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 2208021#L879-2 assume !false; 2159504#L880 [2021-12-06 18:07:45,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash 785839570, now seen corresponding path program 3 times [2021-12-06 18:07:45,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:45,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863125984] [2021-12-06 18:07:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:45,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:45,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:45,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863125984] [2021-12-06 18:07:45,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863125984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:45,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:45,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:07:45,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350462628] [2021-12-06 18:07:45,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:45,738 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:45,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 50711791, now seen corresponding path program 1 times [2021-12-06 18:07:45,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:45,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006632056] [2021-12-06 18:07:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:45,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:45,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:45,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006632056] [2021-12-06 18:07:45,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006632056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:45,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:45,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:45,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475366198] [2021-12-06 18:07:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:45,764 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:45,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:45,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:07:45,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:07:45,764 INFO L87 Difference]: Start difference. First operand 141062 states and 259958 transitions. cyclomatic complexity: 118912 Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:46,190 INFO L93 Difference]: Finished difference Result 141056 states and 259945 transitions. [2021-12-06 18:07:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:07:46,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141056 states and 259945 transitions. [2021-12-06 18:07:46,799 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 94024 [2021-12-06 18:07:47,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141056 states to 141056 states and 259945 transitions. [2021-12-06 18:07:47,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100852 [2021-12-06 18:07:47,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100852 [2021-12-06 18:07:47,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141056 states and 259945 transitions. [2021-12-06 18:07:47,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:47,251 INFO L681 BuchiCegarLoop]: Abstraction has 141056 states and 259945 transitions. [2021-12-06 18:07:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141056 states and 259945 transitions. [2021-12-06 18:07:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141056 to 141056. [2021-12-06 18:07:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141056 states, 141056 states have (on average 1.8428496483666061) internal successors, (259945), 141055 states have internal predecessors, (259945), 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) [2021-12-06 18:07:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141056 states to 141056 states and 259945 transitions. [2021-12-06 18:07:48,686 INFO L704 BuchiCegarLoop]: Abstraction has 141056 states and 259945 transitions. [2021-12-06 18:07:48,686 INFO L587 BuchiCegarLoop]: Abstraction has 141056 states and 259945 transitions. [2021-12-06 18:07:48,686 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 18:07:48,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141056 states and 259945 transitions. [2021-12-06 18:07:49,147 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 94024 [2021-12-06 18:07:49,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:49,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:49,149 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:49,149 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:49,149 INFO L791 eck$LassoCheckResult]: Stem: 2416356#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2416357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2418454#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2414970#L3291 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; 2414971#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2417825#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2417826#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2415640#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 2415641#L3110 assume !(0 == getOrigin_~person#1); 2417165#L3114 assume !(1 == getOrigin_~person#1); 2417166#L3118 assume !(2 == getOrigin_~person#1); 2417522#L3122 assume !(3 == getOrigin_~person#1); 2417523#L3126 assume !(4 == getOrigin_~person#1); 2418359#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 2416625#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2416626#L423 assume !(0 == initPersonOnFloor_~floor#1); 2416580#L450 assume 1 == initPersonOnFloor_~floor#1; 2415217#L451 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_1~0 := 1; 2415010#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2415704#L215 assume !(0 == callOnFloor_~floorID#1); 2416762#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 2416763#L227-2 assume { :end_inline_callOnFloor } true; 2418551#L567 assume { :end_inline_initPersonOnFloor } true; 2418548#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2418545#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2418544#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2418543#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2415450#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2415451#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2417763#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2418239#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2418552#L2083 assume !(0 != timeShift_~tmp___9~2#1); 2417761#L2174 assume !(1 == ~doorState~0); 2417762#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2418070#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2418071#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2415677#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2415679#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2416654#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 2416655#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 2418096#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2417986#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 2415131#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2415132#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 2418421#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2418422#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2418469#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2418470#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 2418555#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2418197#L1917-5 assume { :end_inline_continueInDirection } true; 2416110#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2458640#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2458637#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2458633#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2458620#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2458611#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2458614#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2458592#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2458589#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 2458582#L879-2 assume !false; 2458583#L880 [2021-12-06 18:07:49,149 INFO L793 eck$LassoCheckResult]: Loop: 2458583#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 2489960#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 2489961#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 2489954#L887 assume 1 != cleanup_~tmp___0~0#1; 2489955#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2489948#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2489949#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 2489941#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 2489942#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2526413#L152-22 assume !(0 == isFloorCalling_~floorID#1); 2540556#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2540555#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 2540528#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 2469741#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 2469742#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 2469736#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2469737#L152-26 assume !(0 == isFloorCalling_~floorID#1); 2540423#L156-26 assume !(1 == isFloorCalling_~floorID#1); 2548385#L160-26 assume !(2 == isFloorCalling_~floorID#1); 2526741#L164-26 assume 3 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_3~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2526739#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2526738#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2526737#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 2526736#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 2526735#L1346-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 2526734#L1350-1 assume 3 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_3~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2526732#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2526730#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2526728#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2526725#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 2526724#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 2526698#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2526689#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2466335#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2526669#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 2526666#L1535-2 assume !(~currentFloorID~0 < 0); 2526653#L1550-2 assume !(~currentFloorID~0 < 0); 2526651#L1563-2 assume !(~currentFloorID~0 < 1); 2526582#L1579-2 assume !(~currentFloorID~0 < 1); 2526580#L1592-2 assume !(~currentFloorID~0 < 2); 2526575#L1608-2 assume ~currentFloorID~0 < 2; 2526577#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 2526572#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2526555#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2526492#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2526488#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2526486#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2526484#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 2526482#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2526480#L1917-7 assume { :end_inline_continueInDirection } true; 2526476#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2526474#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2526471#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2526462#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2526468#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2526440#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2526443#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2489970#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2489971#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 2489965#L879-2 assume !false; 2458583#L880 [2021-12-06 18:07:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:49,150 INFO L85 PathProgramCache]: Analyzing trace with hash -267447051, now seen corresponding path program 1 times [2021-12-06 18:07:49,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:49,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286221606] [2021-12-06 18:07:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:49,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:49,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:49,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286221606] [2021-12-06 18:07:49,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286221606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:49,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:49,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:49,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113806356] [2021-12-06 18:07:49,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:49,178 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:49,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:49,178 INFO L85 PathProgramCache]: Analyzing trace with hash 637517805, now seen corresponding path program 1 times [2021-12-06 18:07:49,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:49,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377789877] [2021-12-06 18:07:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:49,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:49,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:49,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377789877] [2021-12-06 18:07:49,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377789877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:49,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:49,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:49,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514883258] [2021-12-06 18:07:49,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:49,210 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:49,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:49,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:49,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:49,211 INFO L87 Difference]: Start difference. First operand 141056 states and 259945 transitions. cyclomatic complexity: 118905 Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:50,269 INFO L93 Difference]: Finished difference Result 198560 states and 363915 transitions. [2021-12-06 18:07:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:07:50,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198560 states and 363915 transitions. [2021-12-06 18:07:51,145 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 132646 [2021-12-06 18:07:51,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198560 states to 198356 states and 363675 transitions. [2021-12-06 18:07:51,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141358 [2021-12-06 18:07:51,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141358 [2021-12-06 18:07:51,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198356 states and 363675 transitions. [2021-12-06 18:07:51,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:51,893 INFO L681 BuchiCegarLoop]: Abstraction has 198356 states and 363675 transitions. [2021-12-06 18:07:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198356 states and 363675 transitions. [2021-12-06 18:07:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198356 to 193568. [2021-12-06 18:07:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193568 states, 193568 states have (on average 1.840898288973384) internal successors, (356339), 193567 states have internal predecessors, (356339), 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) [2021-12-06 18:07:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193568 states to 193568 states and 356339 transitions. [2021-12-06 18:07:54,055 INFO L704 BuchiCegarLoop]: Abstraction has 193568 states and 356339 transitions. [2021-12-06 18:07:54,056 INFO L587 BuchiCegarLoop]: Abstraction has 193568 states and 356339 transitions. [2021-12-06 18:07:54,056 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-06 18:07:54,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193568 states and 356339 transitions. [2021-12-06 18:07:54,653 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130828 [2021-12-06 18:07:54,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:54,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:54,654 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:54,654 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:54,655 INFO L791 eck$LassoCheckResult]: Stem: 2755990#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2755991#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2758168#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2754596#L3291 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; 2754597#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2757506#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2757507#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2755268#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 2755269#L3110 assume !(0 == getOrigin_~person#1); 2756825#L3114 assume !(1 == getOrigin_~person#1); 2756826#L3118 assume !(2 == getOrigin_~person#1); 2757190#L3122 assume !(3 == getOrigin_~person#1); 2757191#L3126 assume !(4 == getOrigin_~person#1); 2758049#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 2756261#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2756262#L423 assume !(0 == initPersonOnFloor_~floor#1); 2756215#L450 assume 1 == initPersonOnFloor_~floor#1; 2754844#L451 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_1~0 := 1; 2754638#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2755334#L215 assume !(0 == callOnFloor_~floorID#1); 2756408#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 2756409#L227-2 assume { :end_inline_callOnFloor } true; 2758285#L567 assume { :end_inline_initPersonOnFloor } true; 2758281#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2758282#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2758277#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2758278#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2755077#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2755078#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2757935#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2757936#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2758286#L2083 assume !(0 != timeShift_~tmp___9~2#1); 2758287#L2174 assume !(1 == ~doorState~0); 2758258#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2758259#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2755909#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2755910#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2757206#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2756291#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 2756292#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 2757791#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2757678#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 2754758#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2754759#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 2758128#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2758129#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2758188#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2756706#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 2756707#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2757891#L1917-5 assume { :end_inline_continueInDirection } true; 2755738#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2772803#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2772800#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2772796#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2772797#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2772785#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2772788#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2772780#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2772779#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 2772775#L879-2 assume !false; 2772776#L880 [2021-12-06 18:07:54,655 INFO L793 eck$LassoCheckResult]: Loop: 2772776#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 2834468#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 2834469#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 2834464#L887 assume 1 != cleanup_~tmp___0~0#1; 2834465#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2834460#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2834461#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 2834456#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 2834457#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2834453#L152-22 assume !(0 == isFloorCalling_~floorID#1); 2834451#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2834452#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 2838288#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 2829158#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 2834234#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 2834230#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2834231#L152-26 assume !(0 == isFloorCalling_~floorID#1); 2833976#L156-26 assume !(1 == isFloorCalling_~floorID#1); 2833977#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2863534#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 2863530#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 2863531#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 2863539#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 2863537#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 2863535#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 2863532#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 2863533#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 2915026#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 2915025#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 2915024#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2915023#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2855675#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 2891071#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 2891072#L1535-2 assume !(~currentFloorID~0 < 0); 2916553#L1550-2 assume !(~currentFloorID~0 < 0); 2916551#L1563-2 assume !(~currentFloorID~0 < 1); 2916550#L1579-2 assume !(~currentFloorID~0 < 1); 2916548#L1592-2 assume !(~currentFloorID~0 < 2); 2916547#L1608-2 assume !(~currentFloorID~0 < 2); 2913885#L1621-2 assume ~currentFloorID~0 < 3; 2891091#L1623-2 assume !(0 != stopRequestedInDirection_~respectFloorCalls#1); 2891089#L1637-2 assume ~currentFloorID~0 < 3; 2891088#L1639-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 2891087#L1640-2 assume 0 != ~floorButtons_3~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 2891074#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2891006#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 2891005#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 2891003#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 2890998#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 2878091#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 2834527#L1917-7 assume { :end_inline_continueInDirection } true; 2834523#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 2834519#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 2834520#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 2834509#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2834511#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 2834501#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 2834502#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 2834475#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 2834476#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 2834472#L879-2 assume !false; 2772776#L880 [2021-12-06 18:07:54,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:54,655 INFO L85 PathProgramCache]: Analyzing trace with hash -267447051, now seen corresponding path program 2 times [2021-12-06 18:07:54,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:54,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488838917] [2021-12-06 18:07:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:54,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:54,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:54,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488838917] [2021-12-06 18:07:54,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488838917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:54,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:54,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:54,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307467010] [2021-12-06 18:07:54,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:54,679 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash -739393714, now seen corresponding path program 1 times [2021-12-06 18:07:54,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:54,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983303972] [2021-12-06 18:07:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:54,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:54,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:54,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983303972] [2021-12-06 18:07:54,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983303972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:54,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:54,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:07:54,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330503828] [2021-12-06 18:07:54,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:54,694 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:54,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:54,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:07:54,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:07:54,694 INFO L87 Difference]: Start difference. First operand 193568 states and 356339 transitions. cyclomatic complexity: 162791 Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:55,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:07:55,396 INFO L93 Difference]: Finished difference Result 193568 states and 356335 transitions. [2021-12-06 18:07:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:07:55,397 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 193568 states and 356335 transitions. [2021-12-06 18:07:56,027 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130828 [2021-12-06 18:07:56,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 193568 states to 193568 states and 356335 transitions. [2021-12-06 18:07:56,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138236 [2021-12-06 18:07:56,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138236 [2021-12-06 18:07:56,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193568 states and 356335 transitions. [2021-12-06 18:07:56,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:07:56,726 INFO L681 BuchiCegarLoop]: Abstraction has 193568 states and 356335 transitions. [2021-12-06 18:07:56,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193568 states and 356335 transitions. [2021-12-06 18:07:58,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193568 to 193568. [2021-12-06 18:07:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193568 states, 193568 states have (on average 1.8408776244007274) internal successors, (356335), 193567 states have internal predecessors, (356335), 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) [2021-12-06 18:07:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193568 states to 193568 states and 356335 transitions. [2021-12-06 18:07:58,800 INFO L704 BuchiCegarLoop]: Abstraction has 193568 states and 356335 transitions. [2021-12-06 18:07:58,800 INFO L587 BuchiCegarLoop]: Abstraction has 193568 states and 356335 transitions. [2021-12-06 18:07:58,800 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-12-06 18:07:58,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193568 states and 356335 transitions. [2021-12-06 18:07:59,209 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130828 [2021-12-06 18:07:59,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:07:59,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:07:59,210 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:07:59,210 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:07:59,211 INFO L791 eck$LassoCheckResult]: Stem: 3143124#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3143125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 3145310#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3141742#L3291 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; 3141743#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 3144637#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 3144638#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3142409#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 3142410#L3110 assume !(0 == getOrigin_~person#1); 3143956#L3114 assume !(1 == getOrigin_~person#1); 3143957#L3118 assume !(2 == getOrigin_~person#1); 3144327#L3122 assume !(3 == getOrigin_~person#1); 3144328#L3126 assume !(4 == getOrigin_~person#1); 3145196#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 3143399#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3143400#L423 assume !(0 == initPersonOnFloor_~floor#1); 3143354#L450 assume 1 == initPersonOnFloor_~floor#1; 3141988#L451 assume !(0 == initPersonOnFloor_~person#1); 3141989#L454 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 3142045#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 3142473#L215 assume !(0 == callOnFloor_~floorID#1); 3143544#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 3143545#L227-2 assume { :end_inline_callOnFloor } true; 3145435#L567 assume { :end_inline_initPersonOnFloor } true; 3145436#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3145428#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3145429#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 3145423#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 3145425#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 3144575#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 3144576#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 3145441#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 3145442#L2083 assume !(0 != timeShift_~tmp___9~2#1); 3144573#L2174 assume !(1 == ~doorState~0); 3144574#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3144908#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3144909#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 3142445#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3142447#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 3143431#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 3143432#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 3144930#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3144823#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 3141897#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3141898#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 3145273#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 3145274#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3145331#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 3145332#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 3145447#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 3145034#L1917-5 assume { :end_inline_continueInDirection } true; 3142871#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 3171888#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 3171882#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 3171865#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 3171866#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 3171851#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 3171854#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 3171845#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 3171843#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 3171839#L879-2 assume !false; 3171840#L880 [2021-12-06 18:07:59,211 INFO L793 eck$LassoCheckResult]: Loop: 3171840#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 3269357#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 3269352#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 3269343#L887 assume 1 != cleanup_~tmp___0~0#1; 3269338#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3269335#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3269331#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 3269285#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 3269270#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3269237#L152-22 assume !(0 == isFloorCalling_~floorID#1); 3269215#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3269189#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 3269181#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 3236570#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 3269166#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 3269161#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3269154#L152-26 assume !(0 == isFloorCalling_~floorID#1); 3214106#L156-26 assume !(1 == isFloorCalling_~floorID#1); 3214108#L160-26 assume !(2 == isFloorCalling_~floorID#1); 3214018#L164-26 assume !(3 == isFloorCalling_~floorID#1); 3214017#L168-26 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3214016#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 3214015#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 3214014#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 3214013#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 3214011#L1346-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 3214008#L1350-1 assume 3 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_3~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 3214004#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 3214000#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 3213980#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 3213978#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 3213976#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 3213975#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3213960#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3213952#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 3213937#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 3213939#L1535-2 assume !(~currentFloorID~0 < 0); 3214009#L1550-2 assume !(~currentFloorID~0 < 0); 3214005#L1563-2 assume !(~currentFloorID~0 < 1); 3214002#L1579-2 assume !(~currentFloorID~0 < 1); 3213999#L1592-2 assume !(~currentFloorID~0 < 2); 3213951#L1608-2 assume ~currentFloorID~0 < 2; 3213958#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 3213948#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3213838#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 3213839#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 3221140#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3269477#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 3269475#L1905-9 assume !(0 != continueInDirection_~tmp~13#1); 3269443#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 3269428#L1917-7 assume { :end_inline_continueInDirection } true; 3269421#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 3269419#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 3269414#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 3269395#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 3269396#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 3269384#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 3269387#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 3269376#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 3269374#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 3269366#L879-2 assume !false; 3171840#L880 [2021-12-06 18:07:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:59,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1187524309, now seen corresponding path program 1 times [2021-12-06 18:07:59,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:59,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816627654] [2021-12-06 18:07:59,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:59,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:59,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:59,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816627654] [2021-12-06 18:07:59,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816627654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:59,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:59,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:07:59,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118371702] [2021-12-06 18:07:59,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:59,235 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:07:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1458234282, now seen corresponding path program 1 times [2021-12-06 18:07:59,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:59,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994253521] [2021-12-06 18:07:59,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:59,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:07:59,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:59,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994253521] [2021-12-06 18:07:59,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994253521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:59,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:59,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:07:59,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35581584] [2021-12-06 18:07:59,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:59,253 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:07:59,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:59,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:07:59,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:07:59,254 INFO L87 Difference]: Start difference. First operand 193568 states and 356335 transitions. cyclomatic complexity: 162787 Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:01,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:08:01,111 INFO L93 Difference]: Finished difference Result 346152 states and 635531 transitions. [2021-12-06 18:08:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:08:01,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 346152 states and 635531 transitions. [2021-12-06 18:08:02,536 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 242172 [2021-12-06 18:08:03,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 346152 states to 346152 states and 635531 transitions. [2021-12-06 18:08:03,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255086 [2021-12-06 18:08:03,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255086 [2021-12-06 18:08:03,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 346152 states and 635531 transitions. [2021-12-06 18:08:03,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:08:03,725 INFO L681 BuchiCegarLoop]: Abstraction has 346152 states and 635531 transitions. [2021-12-06 18:08:03,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346152 states and 635531 transitions. [2021-12-06 18:08:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346152 to 192548. [2021-12-06 18:08:06,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192548 states, 192548 states have (on average 1.842340611172279) internal successors, (354739), 192547 states have internal predecessors, (354739), 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) [2021-12-06 18:08:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192548 states to 192548 states and 354739 transitions. [2021-12-06 18:08:06,453 INFO L704 BuchiCegarLoop]: Abstraction has 192548 states and 354739 transitions. [2021-12-06 18:08:06,453 INFO L587 BuchiCegarLoop]: Abstraction has 192548 states and 354739 transitions. [2021-12-06 18:08:06,453 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-12-06 18:08:06,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192548 states and 354739 transitions. [2021-12-06 18:08:07,091 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130354 [2021-12-06 18:08:07,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:08:07,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:08:07,093 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:08:07,093 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:08:07,093 INFO L791 eck$LassoCheckResult]: Stem: 3682859#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3682860#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 3684994#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3681484#L3291 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; 3681485#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 3684346#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 3684347#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3682151#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 3682152#L3110 assume !(0 == getOrigin_~person#1); 3683680#L3114 assume !(1 == getOrigin_~person#1); 3683681#L3118 assume !(2 == getOrigin_~person#1); 3684035#L3122 assume !(3 == getOrigin_~person#1); 3684036#L3126 assume !(4 == getOrigin_~person#1); 3684905#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 3683130#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3683131#L423 assume !(0 == initPersonOnFloor_~floor#1); 3683083#L450 assume 1 == initPersonOnFloor_~floor#1; 3681729#L451 assume !(0 == initPersonOnFloor_~person#1); 3681730#L454 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 3681789#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 3682214#L215 assume !(0 == callOnFloor_~floorID#1); 3683273#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 3681461#L227-2 assume { :end_inline_callOnFloor } true; 3681462#L567 assume { :end_inline_initPersonOnFloor } true; 3685102#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3685103#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3685098#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 3685099#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 3681961#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 3681962#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 3684787#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 3684788#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 3685105#L2083 assume !(0 != timeShift_~tmp___9~2#1); 3685106#L2174 assume !(1 == ~doorState~0); 3685086#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3685087#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3682776#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 3682777#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3685003#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 3685307#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 3685304#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 3685303#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3685302#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 3685301#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3685300#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 3685299#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 3683382#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3683383#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 3685010#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 3685109#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 3684744#L1917-5 assume { :end_inline_continueInDirection } true; 3682608#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 3696072#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 3696069#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 3696065#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 3696066#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 3696054#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 3696057#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 3696049#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 3696048#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 3696046#L879-2 assume !false; 3696047#L880 [2021-12-06 18:08:07,093 INFO L793 eck$LassoCheckResult]: Loop: 3696047#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 3804081#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 3804080#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 3804079#L887 assume 1 != cleanup_~tmp___0~0#1; 3804078#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3804077#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3804076#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 3804075#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 3804073#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3804069#L152-22 assume !(0 == isFloorCalling_~floorID#1); 3804067#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3803867#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 3803868#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 3792148#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 3803782#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 3803771#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 3803772#L152-26 assume !(0 == isFloorCalling_~floorID#1); 3801139#L156-26 assume !(1 == isFloorCalling_~floorID#1); 3801140#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 3862017#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 3862575#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 3862009#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 3862010#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 3862003#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 3862002#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 3861996#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 3861998#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 3861992#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 3860077#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 3866490#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 3866489#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3845056#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 3866485#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 3866486#L1535-2 assume !(~currentFloorID~0 < 0); 3866516#L1550-2 assume !(~currentFloorID~0 < 0); 3866515#L1563-2 assume !(~currentFloorID~0 < 1); 3866514#L1579-2 assume !(~currentFloorID~0 < 1); 3866513#L1592-2 assume !(~currentFloorID~0 < 2); 3866512#L1608-2 assume !(~currentFloorID~0 < 2); 3866511#L1621-2 assume ~currentFloorID~0 < 3; 3866510#L1623-2 assume !(0 != stopRequestedInDirection_~respectFloorCalls#1); 3866494#L1637-2 assume ~currentFloorID~0 < 3; 3866517#L1639-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 3866495#L1640-2 assume 0 != ~floorButtons_3~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 3866484#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 3866482#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 3772350#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 3772346#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 3763797#L1905-9 assume !(0 != continueInDirection_~tmp~13#1); 3763799#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 3804186#L1917-7 assume { :end_inline_continueInDirection } true; 3804178#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 3804176#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 3804101#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 3804095#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 3804094#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 3804090#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 3804091#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 3804084#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 3804083#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 3804082#L879-2 assume !false; 3696047#L880 [2021-12-06 18:08:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:07,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1187524309, now seen corresponding path program 2 times [2021-12-06 18:08:07,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:07,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690118390] [2021-12-06 18:08:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:07,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:07,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:07,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690118390] [2021-12-06 18:08:07,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690118390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:07,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:07,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:08:07,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183741367] [2021-12-06 18:08:07,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:07,121 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:08:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1326199728, now seen corresponding path program 1 times [2021-12-06 18:08:07,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:07,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197361283] [2021-12-06 18:08:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:07,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:07,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:07,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197361283] [2021-12-06 18:08:07,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197361283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:07,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:07,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:08:07,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319264982] [2021-12-06 18:08:07,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:07,138 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:08:07,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:08:07,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:08:07,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:08:07,139 INFO L87 Difference]: Start difference. First operand 192548 states and 354739 transitions. cyclomatic complexity: 162211 Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:08:07,860 INFO L93 Difference]: Finished difference Result 199572 states and 367177 transitions. [2021-12-06 18:08:07,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:08:07,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199572 states and 367177 transitions. [2021-12-06 18:08:08,812 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 133862 [2021-12-06 18:08:09,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199572 states to 199572 states and 367177 transitions. [2021-12-06 18:08:09,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141064 [2021-12-06 18:08:09,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141064 [2021-12-06 18:08:09,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 199572 states and 367177 transitions. [2021-12-06 18:08:09,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:08:09,418 INFO L681 BuchiCegarLoop]: Abstraction has 199572 states and 367177 transitions. [2021-12-06 18:08:09,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199572 states and 367177 transitions. [2021-12-06 18:08:10,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199572 to 192548. [2021-12-06 18:08:10,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192548 states, 192548 states have (on average 1.8389959906101336) internal successors, (354095), 192547 states have internal predecessors, (354095), 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) [2021-12-06 18:08:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192548 states to 192548 states and 354095 transitions. [2021-12-06 18:08:11,376 INFO L704 BuchiCegarLoop]: Abstraction has 192548 states and 354095 transitions. [2021-12-06 18:08:11,376 INFO L587 BuchiCegarLoop]: Abstraction has 192548 states and 354095 transitions. [2021-12-06 18:08:11,376 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-12-06 18:08:11,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192548 states and 354095 transitions. [2021-12-06 18:08:11,994 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130354 [2021-12-06 18:08:11,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:08:11,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:08:11,995 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:08:11,995 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:08:11,996 INFO L791 eck$LassoCheckResult]: Stem: 4074978#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4074979#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4077038#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4073609#L3291 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; 4073610#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 4076437#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 4076438#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4074272#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 4074273#L3110 assume !(0 == getOrigin_~person#1); 4075783#L3114 assume !(1 == getOrigin_~person#1); 4075784#L3118 assume !(2 == getOrigin_~person#1); 4076150#L3122 assume !(3 == getOrigin_~person#1); 4076151#L3126 assume !(4 == getOrigin_~person#1); 4076947#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 4075247#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4075248#L423 assume !(0 == initPersonOnFloor_~floor#1); 4075202#L450 assume 1 == initPersonOnFloor_~floor#1; 4073851#L451 assume !(0 == initPersonOnFloor_~person#1); 4073852#L454 assume 1 == initPersonOnFloor_~person#1;~personOnFloor_1_1~0 := 1; 4073907#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 4074337#L215 assume !(0 == callOnFloor_~floorID#1); 4075382#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 4075383#L227-2 assume { :end_inline_callOnFloor } true; 4080710#L567 assume { :end_inline_initPersonOnFloor } true; 4080709#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4080708#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4080707#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 4080706#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 4080705#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 4080704#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 4080702#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 4080701#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 4080699#L2083 assume !(0 != timeShift_~tmp___9~2#1); 4080698#L2174 assume !(1 == ~doorState~0); 4080697#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4080696#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4080695#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 4080693#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4080691#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 4080690#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 4080688#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 4080687#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4080686#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 4080685#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4080684#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 4080682#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 4080681#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4080680#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 4080678#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 4077146#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 4076801#L1917-5 assume { :end_inline_continueInDirection } true; 4074730#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 4106353#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 4106349#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 4106346#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 4106345#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 4106297#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 4106300#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 4106292#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4106182#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 4106139#L879-2 assume !false; 4106140#L880 [2021-12-06 18:08:11,996 INFO L793 eck$LassoCheckResult]: Loop: 4106140#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 4246682#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 4246683#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 4246521#L887 assume 1 != cleanup_~tmp___0~0#1; 4246522#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4246446#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4246447#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 4246433#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 4246434#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4246430#L152-22 assume !(0 == isFloorCalling_~floorID#1); 4246428#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4246429#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 4212577#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 4166976#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 4249812#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 4249811#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4249808#L152-26 assume !(0 == isFloorCalling_~floorID#1); 4249806#L156-26 assume !(1 == isFloorCalling_~floorID#1); 4249800#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4249799#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 4248961#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 4248962#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 4249839#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 4249836#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 4249824#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 4248963#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 4248964#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 4253332#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 4253138#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 4252925#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4248774#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4248765#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 4248751#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 4248752#L1535-2 assume !(~currentFloorID~0 < 0); 4248822#L1550-2 assume !(~currentFloorID~0 < 0); 4248820#L1563-2 assume !(~currentFloorID~0 < 1); 4248806#L1579-2 assume !(~currentFloorID~0 < 1); 4248804#L1592-2 assume !(~currentFloorID~0 < 2); 4248802#L1608-2 assume !(~currentFloorID~0 < 2); 4248800#L1621-2 assume ~currentFloorID~0 < 3; 4248796#L1623-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 3;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4248791#L152-30 assume !(0 == isFloorCalling_~floorID#1); 4248780#L156-30 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4248767#L179-30 stopRequestedInDirection_#t~ret29#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___1~2#1 := stopRequestedInDirection_#t~ret29#1;havoc stopRequestedInDirection_#t~ret29#1; 4248757#L1627-2 assume 0 != stopRequestedInDirection_~tmp___1~2#1;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4248747#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 4248733#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 4246907#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4246902#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 4246901#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 4246864#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 4246850#L1917-7 assume { :end_inline_continueInDirection } true; 4246845#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 4246844#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 4246842#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 4246713#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 4247372#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 4247369#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 4247370#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 4246691#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4246692#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 4246686#L879-2 assume !false; 4106140#L880 [2021-12-06 18:08:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:11,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1187524309, now seen corresponding path program 3 times [2021-12-06 18:08:11,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:11,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873610303] [2021-12-06 18:08:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:11,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:12,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:12,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873610303] [2021-12-06 18:08:12,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873610303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:12,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:12,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:08:12,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499949681] [2021-12-06 18:08:12,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:12,022 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:08:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:12,022 INFO L85 PathProgramCache]: Analyzing trace with hash -613172063, now seen corresponding path program 1 times [2021-12-06 18:08:12,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:12,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199368380] [2021-12-06 18:08:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:12,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:12,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:12,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199368380] [2021-12-06 18:08:12,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199368380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:12,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:12,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:08:12,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009855715] [2021-12-06 18:08:12,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:12,038 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:08:12,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:08:12,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:08:12,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:08:12,039 INFO L87 Difference]: Start difference. First operand 192548 states and 354095 transitions. cyclomatic complexity: 161567 Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:12,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:08:12,685 INFO L93 Difference]: Finished difference Result 192548 states and 354091 transitions. [2021-12-06 18:08:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:08:12,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192548 states and 354091 transitions. [2021-12-06 18:08:13,619 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130354 [2021-12-06 18:08:14,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192548 states to 192548 states and 354091 transitions. [2021-12-06 18:08:14,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137552 [2021-12-06 18:08:14,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137552 [2021-12-06 18:08:14,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192548 states and 354091 transitions. [2021-12-06 18:08:14,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:08:14,157 INFO L681 BuchiCegarLoop]: Abstraction has 192548 states and 354091 transitions. [2021-12-06 18:08:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192548 states and 354091 transitions. [2021-12-06 18:08:15,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192548 to 192548. [2021-12-06 18:08:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192548 states, 192548 states have (on average 1.838975216569375) internal successors, (354091), 192547 states have internal predecessors, (354091), 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) [2021-12-06 18:08:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192548 states to 192548 states and 354091 transitions. [2021-12-06 18:08:16,092 INFO L704 BuchiCegarLoop]: Abstraction has 192548 states and 354091 transitions. [2021-12-06 18:08:16,092 INFO L587 BuchiCegarLoop]: Abstraction has 192548 states and 354091 transitions. [2021-12-06 18:08:16,092 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-12-06 18:08:16,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192548 states and 354091 transitions. [2021-12-06 18:08:16,499 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130354 [2021-12-06 18:08:16,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:08:16,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:08:16,500 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:08:16,500 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:08:16,501 INFO L791 eck$LassoCheckResult]: Stem: 4460086#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4460087#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4462136#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4458718#L3291 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; 4458719#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 4461532#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 4461533#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4459385#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 4459386#L3110 assume !(0 == getOrigin_~person#1); 4460891#L3114 assume !(1 == getOrigin_~person#1); 4460892#L3118 assume !(2 == getOrigin_~person#1); 4461243#L3122 assume !(3 == getOrigin_~person#1); 4461244#L3126 assume !(4 == getOrigin_~person#1); 4462047#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 4460356#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4460357#L423 assume !(0 == initPersonOnFloor_~floor#1); 4460311#L450 assume 1 == initPersonOnFloor_~floor#1; 4458962#L451 assume !(0 == initPersonOnFloor_~person#1); 4458963#L454 assume !(1 == initPersonOnFloor_~person#1); 4459018#L457 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_1~0 := 1; 4459019#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 4459448#L215 assume !(0 == callOnFloor_~floorID#1); 4460490#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 4460491#L227-2 assume { :end_inline_callOnFloor } true; 4465795#L567 assume { :end_inline_initPersonOnFloor } true; 4465794#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4465793#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4465792#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 4465791#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 4465790#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 4465789#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 4465787#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 4465786#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 4465784#L2083 assume !(0 != timeShift_~tmp___9~2#1); 4465783#L2174 assume !(1 == ~doorState~0); 4465782#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4465781#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4465780#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 4465778#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4465776#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 4465775#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 4465773#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 4465772#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4465771#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 4465770#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4465769#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 4465767#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 4465766#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4465765#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 4465763#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 4462235#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 4461902#L1917-5 assume { :end_inline_continueInDirection } true; 4459840#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 4503433#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 4503427#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 4503409#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 4460785#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 4460786#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 4460994#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 4503393#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4503392#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 4501236#L879-2 assume !false; 4501237#L880 [2021-12-06 18:08:16,501 INFO L793 eck$LassoCheckResult]: Loop: 4501237#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 4581660#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 4581659#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 4581658#L887 assume 1 != cleanup_~tmp___0~0#1; 4581657#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4581656#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4581655#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 4581654#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 4581652#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4581651#L152-22 assume !(0 == isFloorCalling_~floorID#1); 4581649#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4581650#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 4581643#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 4578360#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 4581621#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 4581620#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4581618#L152-26 assume !(0 == isFloorCalling_~floorID#1); 4581615#L156-26 assume !(1 == isFloorCalling_~floorID#1); 4581609#L160-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4581607#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 4581599#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 4581600#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 4581608#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 4581605#L1346-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 4581603#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 4581601#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 4581602#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 4581589#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 4560350#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 4560345#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4560342#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4554760#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 4560337#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 4560336#L1535-2 assume !(~currentFloorID~0 < 0); 4560327#L1550-2 assume !(~currentFloorID~0 < 0); 4560323#L1563-2 assume !(~currentFloorID~0 < 1); 4560321#L1579-2 assume !(~currentFloorID~0 < 1); 4560318#L1592-2 assume !(~currentFloorID~0 < 2); 4560313#L1608-2 assume !(~currentFloorID~0 < 2); 4560309#L1621-2 assume ~currentFloorID~0 < 3; 4560305#L1623-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 3;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4560303#L152-30 assume !(0 == isFloorCalling_~floorID#1); 4560298#L156-30 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4560294#L179-30 stopRequestedInDirection_#t~ret29#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___1~2#1 := stopRequestedInDirection_#t~ret29#1;havoc stopRequestedInDirection_#t~ret29#1; 4560005#L1627-2 assume 0 != stopRequestedInDirection_~tmp___1~2#1;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4559996#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 4547198#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 4547195#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4547193#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 4547191#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 4547188#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 4547182#L1917-7 assume { :end_inline_continueInDirection } true; 4547178#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 4547172#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 4547173#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 4581678#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 4581677#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 4581670#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 4581673#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 4581663#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4581662#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 4581661#L879-2 assume !false; 4501237#L880 [2021-12-06 18:08:16,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:16,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1098480314, now seen corresponding path program 1 times [2021-12-06 18:08:16,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:16,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584402866] [2021-12-06 18:08:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:16,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:16,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:16,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584402866] [2021-12-06 18:08:16,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584402866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:16,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:16,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:08:16,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780313254] [2021-12-06 18:08:16,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:16,527 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:08:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:16,527 INFO L85 PathProgramCache]: Analyzing trace with hash -613172063, now seen corresponding path program 2 times [2021-12-06 18:08:16,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:16,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636142271] [2021-12-06 18:08:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:16,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:16,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:16,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636142271] [2021-12-06 18:08:16,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636142271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:16,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:16,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:08:16,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680362396] [2021-12-06 18:08:16,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:16,543 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:08:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:08:16,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:08:16,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:08:16,543 INFO L87 Difference]: Start difference. First operand 192548 states and 354091 transitions. cyclomatic complexity: 161563 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:08:17,748 INFO L93 Difference]: Finished difference Result 271856 states and 498219 transitions. [2021-12-06 18:08:17,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:08:17,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271856 states and 498219 transitions. [2021-12-06 18:08:18,930 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 185246 [2021-12-06 18:08:19,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271856 states to 271856 states and 498219 transitions. [2021-12-06 18:08:19,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 193984 [2021-12-06 18:08:19,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 193984 [2021-12-06 18:08:19,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271856 states and 498219 transitions. [2021-12-06 18:08:19,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:08:19,694 INFO L681 BuchiCegarLoop]: Abstraction has 271856 states and 498219 transitions. [2021-12-06 18:08:20,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271856 states and 498219 transitions. [2021-12-06 18:08:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271856 to 192548. [2021-12-06 18:08:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192548 states, 192548 states have (on average 1.834155639113364) internal successors, (353163), 192547 states have internal predecessors, (353163), 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) [2021-12-06 18:08:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192548 states to 192548 states and 353163 transitions. [2021-12-06 18:08:21,986 INFO L704 BuchiCegarLoop]: Abstraction has 192548 states and 353163 transitions. [2021-12-06 18:08:21,986 INFO L587 BuchiCegarLoop]: Abstraction has 192548 states and 353163 transitions. [2021-12-06 18:08:21,986 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-12-06 18:08:21,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192548 states and 353163 transitions. [2021-12-06 18:08:22,647 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 130354 [2021-12-06 18:08:22,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:08:22,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:08:22,649 INFO L842 BuchiCegarLoop]: 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] [2021-12-06 18:08:22,649 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-06 18:08:22,649 INFO L791 eck$LassoCheckResult]: Stem: 4924504#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4924505#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4926647#L3298 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4923127#L3291 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; 4923128#L3306 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 4925989#L1079 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 4925990#L1049 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4923793#L2921 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 4923794#L3110 assume !(0 == getOrigin_~person#1); 4925336#L3114 assume !(1 == getOrigin_~person#1); 4925337#L3118 assume !(2 == getOrigin_~person#1); 4925688#L3122 assume !(3 == getOrigin_~person#1); 4925689#L3126 assume !(4 == getOrigin_~person#1); 4926537#L3130 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~22#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~22#1; 4924781#L3135 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4924782#L423 assume !(0 == initPersonOnFloor_~floor#1); 4924736#L450 assume 1 == initPersonOnFloor_~floor#1; 4923367#L451 assume !(0 == initPersonOnFloor_~person#1); 4923368#L454 assume !(1 == initPersonOnFloor_~person#1); 4923426#L457 assume 2 == initPersonOnFloor_~person#1;~personOnFloor_2_1~0 := 1; 4923427#L531-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 4923856#L215 assume !(0 == callOnFloor_~floorID#1); 4924917#L218 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 4924918#L227-2 assume { :end_inline_callOnFloor } true; 4926771#L567 assume { :end_inline_initPersonOnFloor } true; 4926767#L849 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4926768#L152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4926763#L179 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 4926764#L1934 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 4923599#L1338 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 4923600#L1359 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 4926405#L1941 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 4926407#L1946 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 4926772#L2083 assume !(0 != timeShift_~tmp___9~2#1); 4926774#L2174 assume !(1 == ~doorState~0); 4926746#L2174-2 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4926747#L1525 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4924421#L726 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 4924422#L1529 assume 0 != stopRequestedInDirection_~tmp~12#1;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4925704#L1847 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 4925705#L2182 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~16#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~16#1; 4926996#L1956 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~16#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~16#1; 4926995#L1961 timeShift_#t~ret59#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret59#1;havoc timeShift_#t~ret59#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 4926994#L1525-1 assume !(1 == stopRequestedInDirection_~dir#1); 4926993#L1694-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~13#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 4926992#L1847-1 timeShift_#t~ret60#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 4926991#L2191 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 4925033#L1901-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4925034#L726-4 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 4926664#L1905-6 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 4926796#L1911-8 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 4926367#L1917-5 assume { :end_inline_continueInDirection } true; 4924258#L2191-2 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 4925729#L1321 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 4926195#L1381-6 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 4923833#L1413-6 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 4925224#L2964 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 4925225#L1330 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 4925435#L2974 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 4924260#L2974-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4923193#L2206 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 4923194#L879-2 assume !false; 4950237#L880 [2021-12-06 18:08:22,649 INFO L793 eck$LassoCheckResult]: Loop: 4950237#L880 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 5040075#L883 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 5040071#L1167 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 5040063#L887 assume 1 != cleanup_~tmp___0~0#1; 5040059#L887-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret24#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~11#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~11#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret19#1, anyStopRequested_#t~ret20#1, anyStopRequested_#t~ret21#1, anyStopRequested_#t~ret22#1, anyStopRequested_#t~ret23#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~10#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~10#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 5040057#L152-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 5040055#L179-21 anyStopRequested_#t~ret19#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret19#1;havoc anyStopRequested_#t~ret19#1; 5040053#L1429 assume !(0 != anyStopRequested_~tmp___3~0#1); 5040050#L1433 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 5040048#L152-22 assume !(0 == isFloorCalling_~floorID#1); 5040046#L156-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 5040047#L179-22 anyStopRequested_#t~ret20#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~1#1 := anyStopRequested_#t~ret20#1;havoc anyStopRequested_#t~ret20#1; 5034923#L1440 assume 0 != anyStopRequested_~tmp___2~1#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 5034889#L1493 isIdle_#t~ret24#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~11#1 := isIdle_#t~ret24#1;havoc isIdle_#t~ret24#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~11#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 5034873#L1506 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 5034867#L899 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_#t~ret57#1, timeShift_#t~ret58#1, timeShift_#t~ret59#1, timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_~tmp~16#1, timeShift_~tmp___0~6#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~16#1;havoc timeShift_~tmp___0~6#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1, stopRequestedAtCurrentFloor_#t~ret38#1, stopRequestedAtCurrentFloor_~retValue_acc~15#1, stopRequestedAtCurrentFloor_~tmp~14#1, stopRequestedAtCurrentFloor_~tmp___0~4#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~15#1;havoc stopRequestedAtCurrentFloor_~tmp~14#1;havoc stopRequestedAtCurrentFloor_~tmp___0~4#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 5034865#L152-26 assume !(0 == isFloorCalling_~floorID#1); 5011296#L156-26 assume !(1 == isFloorCalling_~floorID#1); 5011298#L160-26 assume !(2 == isFloorCalling_~floorID#1); 5082684#L164-26 assume !(3 == isFloorCalling_~floorID#1); 5011293#L168-26 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 5011292#L179-26 stopRequestedAtCurrentFloor_#t~ret37#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~4#1 := stopRequestedAtCurrentFloor_#t~ret37#1;havoc stopRequestedAtCurrentFloor_#t~ret37#1; 5011291#L1934-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~4#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~8#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~8#1; 5011290#L1338-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 5011289#L1342-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 5011288#L1346-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 5011287#L1350-1 assume !(3 == buttonForFloorIsPressed_~floorID#1); 5011286#L1354-1 assume 4 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~8#1 := ~floorButtons_4~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; 5011285#L1359-1 stopRequestedAtCurrentFloor_#t~ret38#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~14#1 := stopRequestedAtCurrentFloor_#t~ret38#1;havoc stopRequestedAtCurrentFloor_#t~ret38#1; 5011284#L1941-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~14#1);stopRequestedAtCurrentFloor_~retValue_acc~15#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; 5011281#L1946-1 timeShift_#t~ret51#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret51#1;havoc timeShift_#t~ret51#1; 5011277#L2083-2 assume !(0 != timeShift_~tmp___9~2#1); 5011275#L2174-3 assume 1 == ~doorState~0;~doorState~0 := 0; 5011273#L2174-5 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~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_#t~ret28#1, stopRequestedInDirection_#t~ret29#1, stopRequestedInDirection_#t~ret30#1, stopRequestedInDirection_#t~ret31#1, stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~13#1, stopRequestedInDirection_~tmp~12#1, stopRequestedInDirection_~tmp___0~3#1, stopRequestedInDirection_~tmp___1~2#1, stopRequestedInDirection_~tmp___2~2#1, stopRequestedInDirection_~tmp___3~1#1, stopRequestedInDirection_~tmp___4~0#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~13#1;havoc stopRequestedInDirection_~tmp~12#1;havoc stopRequestedInDirection_~tmp___0~3#1;havoc stopRequestedInDirection_~tmp___1~2#1;havoc stopRequestedInDirection_~tmp___2~2#1;havoc stopRequestedInDirection_~tmp___3~1#1;havoc stopRequestedInDirection_~tmp___4~0#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 5011265#L1525-2 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 4988665#L726-5 stopRequestedInDirection_#t~ret25#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~12#1 := stopRequestedInDirection_#t~ret25#1;havoc stopRequestedInDirection_#t~ret25#1; 5011234#L1529-2 assume !(0 != stopRequestedInDirection_~tmp~12#1); 5011236#L1535-2 assume !(~currentFloorID~0 < 0); 5011282#L1550-2 assume !(~currentFloorID~0 < 0); 5011279#L1563-2 assume !(~currentFloorID~0 < 1); 5011276#L1579-2 assume !(~currentFloorID~0 < 1); 5011274#L1592-2 assume !(~currentFloorID~0 < 2); 5011248#L1608-2 assume ~currentFloorID~0 < 2; 5011263#L1610-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 5011245#L1611-2 assume 0 != ~floorButtons_2~0;stopRequestedInDirection_~retValue_acc~13#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~13#1; 5011176#L1847-2 timeShift_#t~ret58#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 5011177#L2182-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret36#1, continueInDirection_~dir#1, continueInDirection_~tmp~13#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~13#1;~currentHeading~0 := continueInDirection_~dir#1; 5040301#L1901-3 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~2#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~2#1;isTopFloor_~retValue_acc~2#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~2#1; 5040298#L726-6 continueInDirection_#t~ret36#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~13#1 := continueInDirection_#t~ret36#1;havoc continueInDirection_#t~ret36#1; 5040296#L1905-9 assume 0 != continueInDirection_~tmp~13#1;~currentHeading~0 := 0; 5040293#L1911-11 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 5040162#L1917-7 assume { :end_inline_continueInDirection } true; 5040157#L2191-5 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~21#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~6#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~21#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~6#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~6#1;havoc getCurrentFloorID_~retValue_acc~6#1;getCurrentFloorID_~retValue_acc~6#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; 5040142#L1321-1 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~21#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~21#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~10#1;havoc isEmpty_~retValue_acc~10#1; 5040141#L1381-13 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~10#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~10#1; 5040127#L1413-13 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~6#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 5040132#L2964-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~6#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 5040103#L1330-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 5040106#L2974-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 5040092#L2974-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 5040087#L2206-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 5040082#L879-2 assume !false; 4950237#L880 [2021-12-06 18:08:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1098480314, now seen corresponding path program 2 times [2021-12-06 18:08:22,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:22,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527242932] [2021-12-06 18:08:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:22,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:22,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:22,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527242932] [2021-12-06 18:08:22,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527242932] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:22,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:22,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:08:22,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181281069] [2021-12-06 18:08:22,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:22,676 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:08:22,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:22,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1016496243, now seen corresponding path program 1 times [2021-12-06 18:08:22,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:22,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813700669] [2021-12-06 18:08:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:22,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:08:22,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:22,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813700669] [2021-12-06 18:08:22,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813700669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:22,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:22,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:08:22,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109520986] [2021-12-06 18:08:22,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:22,701 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:08:22,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:08:22,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:08:22,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:08:22,701 INFO L87 Difference]: Start difference. First operand 192548 states and 353163 transitions. cyclomatic complexity: 160635 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:24,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:08:24,104 INFO L93 Difference]: Finished difference Result 274242 states and 501070 transitions. [2021-12-06 18:08:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:08:24,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274242 states and 501070 transitions. [2021-12-06 18:08:25,029 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 186768 [2021-12-06 18:08:25,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274242 states to 273786 states and 500542 transitions. [2021-12-06 18:08:25,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195376 [2021-12-06 18:08:25,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195376 [2021-12-06 18:08:25,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 273786 states and 500542 transitions. [2021-12-06 18:08:26,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:08:26,026 INFO L681 BuchiCegarLoop]: Abstraction has 273786 states and 500542 transitions. [2021-12-06 18:08:26,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273786 states and 500542 transitions.