./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 339ae17141354782861ad14ce1f1515b53735bca35311ebbaf6a68a6022f4172 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:26,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:26,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:26,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:26,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:26,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:26,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:26,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:26,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:26,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:26,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:26,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:26,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:26,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:26,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:26,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:26,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:26,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:26,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:26,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:26,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:26,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:26,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:26,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:26,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:26,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:26,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:26,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:26,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:26,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:26,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:26,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:26,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:26,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:26,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:26,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:26,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:26,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:26,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:26,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:26,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:26,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:26,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:26,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:26,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:26,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:26,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:26,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:26,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:26,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:26,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:26,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:26,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:26,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:26,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:26,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:26,594 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:26,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:26,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:26,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:26,595 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:26,595 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:26,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:26,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:26,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:26,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:26,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:26,597 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:26,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:26,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:26,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339ae17141354782861ad14ce1f1515b53735bca35311ebbaf6a68a6022f4172 [2022-10-17 16:51:26,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:26,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:26,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:26,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:26,887 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:26,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2022-10-17 16:51:26,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/data/b3223b49b/78ed63caa0624477aa6224a42ee4e986/FLAGe2c5385e2 [2022-10-17 16:51:27,700 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:27,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2022-10-17 16:51:27,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/data/b3223b49b/78ed63caa0624477aa6224a42ee4e986/FLAGe2c5385e2 [2022-10-17 16:51:27,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/data/b3223b49b/78ed63caa0624477aa6224a42ee4e986 [2022-10-17 16:51:27,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:27,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:27,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:27,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:27,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:27,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0768e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27, skipping insertion in model container [2022-10-17 16:51:27,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:27,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:28,642 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_0c765689-b762-4705-ad6f-86579c08d4d5/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c[73050,73063] [2022-10-17 16:51:28,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:28,664 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:28,817 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_0c765689-b762-4705-ad6f-86579c08d4d5/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c[73050,73063] [2022-10-17 16:51:28,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:28,851 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:28,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28 WrapperNode [2022-10-17 16:51:28,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:28,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:28,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:28,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:28,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:28,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:28,967 INFO L138 Inliner]: procedures = 97, calls = 345, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 1131 [2022-10-17 16:51:28,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:28,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:28,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:28,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:28,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:28,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:28,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:28,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:29,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:29,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:29,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:29,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:28" (1/1) ... [2022-10-17 16:51:29,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:29,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:29,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c765689-b762-4705-ad6f-86579c08d4d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2022-10-17 16:51:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2022-10-17 16:51:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2022-10-17 16:51:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2022-10-17 16:51:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2022-10-17 16:51:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2022-10-17 16:51:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:51:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:51:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2022-10-17 16:51:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2022-10-17 16:51:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2022-10-17 16:51:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2022-10-17 16:51:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2022-10-17 16:51:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2022-10-17 16:51:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2022-10-17 16:51:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2022-10-17 16:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2022-10-17 16:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2022-10-17 16:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2022-10-17 16:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2022-10-17 16:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2022-10-17 16:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2022-10-17 16:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2022-10-17 16:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2022-10-17 16:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2022-10-17 16:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2022-10-17 16:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2022-10-17 16:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2022-10-17 16:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2022-10-17 16:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2022-10-17 16:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2022-10-17 16:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2022-10-17 16:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2022-10-17 16:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2022-10-17 16:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2022-10-17 16:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2022-10-17 16:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2022-10-17 16:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2022-10-17 16:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2022-10-17 16:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2022-10-17 16:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2022-10-17 16:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2022-10-17 16:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2022-10-17 16:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2022-10-17 16:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2022-10-17 16:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2022-10-17 16:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2022-10-17 16:51:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2022-10-17 16:51:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2022-10-17 16:51:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2022-10-17 16:51:29,362 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:29,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:30,595 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:31,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:31,482 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:31,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:31 BoogieIcfgContainer [2022-10-17 16:51:31,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:31,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:31,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:31,500 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:31,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:31" (1/1) ... [2022-10-17 16:51:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 378 states and 595 transitions. [2022-10-17 16:51:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 595 transitions. [2022-10-17 16:51:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:31,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 377 states and 588 transitions. [2022-10-17 16:51:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 588 transitions. [2022-10-17 16:51:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:32,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 390 states and 616 transitions. [2022-10-17 16:51:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 616 transitions. [2022-10-17 16:51:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:51:33,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 393 states and 620 transitions. [2022-10-17 16:51:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 620 transitions. [2022-10-17 16:51:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:51:33,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 396 states and 624 transitions. [2022-10-17 16:51:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 624 transitions. [2022-10-17 16:51:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:51:34,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 398 states and 627 transitions. [2022-10-17 16:51:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 627 transitions. [2022-10-17 16:51:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:51:34,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 400 states and 630 transitions. [2022-10-17 16:51:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 630 transitions. [2022-10-17 16:51:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:51:35,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 402 states and 633 transitions. [2022-10-17 16:51:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 633 transitions. [2022-10-17 16:51:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:51:35,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 404 states and 636 transitions. [2022-10-17 16:51:35,738 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 636 transitions. [2022-10-17 16:51:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:51:35,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 405 states and 636 transitions. [2022-10-17 16:51:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 636 transitions. [2022-10-17 16:51:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:51:36,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 410 states and 651 transitions. [2022-10-17 16:51:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 651 transitions. [2022-10-17 16:51:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:51:36,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 411 states and 652 transitions. [2022-10-17 16:51:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 652 transitions. [2022-10-17 16:51:36,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:51:36,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 414 states and 656 transitions. [2022-10-17 16:51:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 656 transitions. [2022-10-17 16:51:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:51:36,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 415 states and 657 transitions. [2022-10-17 16:51:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 657 transitions. [2022-10-17 16:51:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:51:37,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 418 states and 661 transitions. [2022-10-17 16:51:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 661 transitions. [2022-10-17 16:51:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:51:37,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 419 states and 662 transitions. [2022-10-17 16:51:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 662 transitions. [2022-10-17 16:51:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:51:37,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 422 states and 666 transitions. [2022-10-17 16:51:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 666 transitions. [2022-10-17 16:51:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:51:38,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 443 states and 718 transitions. [2022-10-17 16:51:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 718 transitions. [2022-10-17 16:51:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:51:38,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 444 states and 719 transitions. [2022-10-17 16:51:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 719 transitions. [2022-10-17 16:51:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:51:39,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 445 states and 720 transitions. [2022-10-17 16:51:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 720 transitions. [2022-10-17 16:51:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:51:39,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:51:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 447 states and 722 transitions. [2022-10-17 16:51:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 722 transitions. [2022-10-17 16:51:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:51:39,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:51:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 450 states and 726 transitions. [2022-10-17 16:51:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 726 transitions. [2022-10-17 16:51:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:51:40,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:51:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 453 states and 730 transitions. [2022-10-17 16:51:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 730 transitions. [2022-10-17 16:51:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:51:40,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-17 16:51:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 454 states and 731 transitions. [2022-10-17 16:51:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 731 transitions. [2022-10-17 16:51:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:51:41,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:51:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 456 states and 734 transitions. [2022-10-17 16:51:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 734 transitions. [2022-10-17 16:51:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:51:41,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:51:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 458 states and 737 transitions. [2022-10-17 16:51:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 737 transitions. [2022-10-17 16:51:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:51:41,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:51:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 460 states and 740 transitions. [2022-10-17 16:51:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 740 transitions. [2022-10-17 16:51:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:51:42,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 473 states and 768 transitions. [2022-10-17 16:51:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 768 transitions. [2022-10-17 16:51:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:51:43,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 496 states and 827 transitions. [2022-10-17 16:51:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 827 transitions. [2022-10-17 16:51:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:51:45,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 496 states and 826 transitions. [2022-10-17 16:51:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 826 transitions. [2022-10-17 16:51:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:51:46,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:51:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 511 states and 867 transitions. [2022-10-17 16:51:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 867 transitions. [2022-10-17 16:51:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:51:50,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:51:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 513 states and 870 transitions. [2022-10-17 16:51:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 870 transitions. [2022-10-17 16:51:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:51:50,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:51:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 514 states and 870 transitions. [2022-10-17 16:51:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 870 transitions. [2022-10-17 16:51:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:51:51,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 517 states and 874 transitions. [2022-10-17 16:51:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 874 transitions. [2022-10-17 16:51:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:51:51,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 521 states and 883 transitions. [2022-10-17 16:51:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 883 transitions. [2022-10-17 16:51:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:51:53,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 522 states and 884 transitions. [2022-10-17 16:51:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 884 transitions. [2022-10-17 16:51:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 16:51:54,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:51:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 525 states and 888 transitions. [2022-10-17 16:51:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 888 transitions. [2022-10-17 16:51:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:51:54,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.