./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:13:55,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:13:55,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:13:55,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:13:55,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:13:55,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:13:55,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:13:55,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:13:55,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:13:55,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:13:55,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:13:55,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:13:55,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:13:55,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:13:55,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:13:55,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:13:55,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:13:55,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:13:55,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:13:55,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:13:55,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:13:55,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:13:55,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:13:55,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:13:55,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:13:55,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:13:55,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:13:55,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:13:55,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:13:55,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:13:55,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:13:55,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:13:55,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:13:55,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:13:55,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:13:55,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:13:55,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:13:55,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:13:55,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:13:55,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:13:55,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:13:55,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:13:55,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:13:55,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:13:55,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:13:55,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:13:55,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:13:55,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:13:55,323 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:13:55,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:13:55,324 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:13:55,324 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:13:55,324 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:13:55,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:13:55,325 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:13:55,325 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:13:55,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:13:55,326 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:13:55,326 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:13:55,326 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:13:55,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:13:55,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:13:55,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:13:55,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:13:55,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:13:55,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:13:55,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:13:55,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:13:55,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:13:55,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:13:55,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:13:55,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:13:55,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:13:55,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:13:55,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:13:55,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:13:55,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:13:55,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:13:55,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:13:55,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:13:55,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:13:55,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:13:55,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:13:55,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 [2021-11-23 17:13:55,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:13:55,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:13:55,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:13:55,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:13:55,631 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:13:55,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-11-23 17:13:55,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/1fd1e5d21/5c63370c339c4a5b9b55e9767058aa4c/FLAGc6404eb49 [2021-11-23 17:13:56,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:13:56,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-11-23 17:13:56,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/1fd1e5d21/5c63370c339c4a5b9b55e9767058aa4c/FLAGc6404eb49 [2021-11-23 17:13:56,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/1fd1e5d21/5c63370c339c4a5b9b55e9767058aa4c [2021-11-23 17:13:56,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:13:56,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:13:56,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:13:56,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:13:56,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:13:56,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:56" (1/1) ... [2021-11-23 17:13:56,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e3881e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:56, skipping insertion in model container [2021-11-23 17:13:56,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:56" (1/1) ... [2021-11-23 17:13:56,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:13:56,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:13:57,003 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c[1546,1559] [2021-11-23 17:13:57,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:13:57,477 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:13:57,502 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c[1546,1559] [2021-11-23 17:13:57,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:13:57,777 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:13:57,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57 WrapperNode [2021-11-23 17:13:57,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:13:57,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:13:57,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:13:57,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:13:57,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:57,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:57,929 INFO L137 Inliner]: procedures = 95, calls = 348, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 917 [2021-11-23 17:13:57,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:13:57,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:13:57,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:13:57,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:13:57,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:57,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:57,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:57,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:58,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:58,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:58,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:58,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:13:58,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:13:58,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:13:58,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:13:58,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:57" (1/1) ... [2021-11-23 17:13:58,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:13:58,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:13:58,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:13:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:13:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:13:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:13:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:13:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:13:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:13:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:13:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:13:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:13:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:13:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-11-23 17:13:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-11-23 17:13:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:13:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:13:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:13:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:13:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:13:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:13:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:13:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:13:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:13:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:13:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:13:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:13:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:13:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:13:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:13:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:13:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:13:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:13:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:13:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:13:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:13:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:13:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:13:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:13:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:13:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:13:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:13:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:13:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:13:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:13:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:13:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:13:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:13:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:13:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:13:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:13:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:13:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:13:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:13:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:13:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:13:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:13:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:13:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:13:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:13:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:13:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:13:58,408 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:13:58,411 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:13:59,872 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:13:59,954 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:13:59,961 INFO L158 Benchmark]: Toolchain (without parser) took 3306.19ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 73.5MB in the beginning and 97.4MB in the end (delta: -23.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-11-23 17:13:59,963 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:13:59,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1120.11ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 73.2MB in the beginning and 89.9MB in the end (delta: -16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:13:59,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.58ms. Allocated memory is still 144.7MB. Free memory was 89.9MB in the beginning and 84.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:13:59,967 INFO L158 Benchmark]: Boogie Preprocessor took 190.44ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 114.7MB in the end (delta: -30.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 17:13:59,968 INFO L158 Benchmark]: RCFGBuilder took 1831.40ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 97.4MB in the end (delta: 17.3MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2021-11-23 17:13:59,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1120.11ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 73.2MB in the beginning and 89.9MB in the end (delta: -16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.58ms. Allocated memory is still 144.7MB. Free memory was 89.9MB in the beginning and 84.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.44ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 114.7MB in the end (delta: -30.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1831.40ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 97.4MB in the end (delta: 17.3MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:14:00,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:14:02,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:14:02,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:14:02,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:14:02,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:14:02,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:14:02,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:14:02,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:14:02,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:14:02,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:14:02,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:14:02,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:14:02,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:14:02,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:14:02,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:14:02,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:14:02,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:14:02,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:14:02,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:14:02,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:14:02,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:14:02,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:14:02,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:14:02,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:14:02,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:14:02,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:14:02,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:14:02,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:14:02,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:14:02,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:14:02,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:14:02,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:14:02,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:14:02,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:14:02,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:14:02,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:14:02,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:14:02,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:14:02,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:14:02,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:14:02,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:14:02,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:14:02,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:14:02,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:14:02,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:14:02,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:14:02,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:14:02,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:14:02,800 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:14:02,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:14:02,800 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:14:02,801 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:14:02,802 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:14:02,802 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:14:02,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:14:02,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:14:02,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:14:02,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:14:02,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:14:02,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:14:02,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:14:02,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:14:02,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:14:02,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:14:02,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:14:02,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:14:02,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:14:02,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:14:02,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:14:02,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:14:02,808 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:14:02,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:14:02,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:14:02,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:14:02,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:14:02,809 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 [2021-11-23 17:14:03,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:14:03,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:14:03,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:14:03,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:14:03,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:14:03,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-11-23 17:14:03,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/61a91ca44/b68785810b4242d7abf1d70d19bb7a52/FLAGe697e50ab [2021-11-23 17:14:04,161 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:14:04,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-11-23 17:14:04,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/61a91ca44/b68785810b4242d7abf1d70d19bb7a52/FLAGe697e50ab [2021-11-23 17:14:04,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/data/61a91ca44/b68785810b4242d7abf1d70d19bb7a52 [2021-11-23 17:14:04,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:14:04,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:14:04,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:14:04,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:14:04,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:14:04,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:14:04" (1/1) ... [2021-11-23 17:14:04,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3876b969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:04, skipping insertion in model container [2021-11-23 17:14:04,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:14:04" (1/1) ... [2021-11-23 17:14:04,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:14:04,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:14:04,701 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c[1546,1559] [2021-11-23 17:14:05,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:14:05,207 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:14:05,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:14:05,242 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c[1546,1559] [2021-11-23 17:14:05,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:14:05,403 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:14:05,417 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_a81a20ff-45f6-46db-a097-e4fa7884f2fe/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c[1546,1559] [2021-11-23 17:14:05,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:14:05,571 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:14:05,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05 WrapperNode [2021-11-23 17:14:05,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:14:05,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:14:05,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:14:05,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:14:05,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,692 INFO L137 Inliner]: procedures = 97, calls = 348, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 858 [2021-11-23 17:14:05,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:14:05,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:14:05,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:14:05,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:14:05,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:14:05,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:14:05,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:14:05,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:14:05,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (1/1) ... [2021-11-23 17:14:05,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:14:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:14:05,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:14:05,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:14:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:14:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:14:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:14:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:14:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:14:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:14:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:14:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:14:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:14:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-11-23 17:14:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-11-23 17:14:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:14:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:14:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:14:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:14:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:14:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:14:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:14:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:14:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:14:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:14:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:14:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:14:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:14:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:14:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:14:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:14:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:14:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:14:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:14:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:14:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:14:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:14:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:14:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:14:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:14:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:14:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:14:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:14:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:14:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:14:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:14:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:14:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:14:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:14:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:14:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:14:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:14:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:14:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:14:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:14:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:14:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:14:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:14:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:14:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:14:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:14:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:14:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:14:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:14:06,155 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:14:06,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:14:07,853 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:14:07,877 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:14:07,878 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 17:14:07,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:14:07 BoogieIcfgContainer [2021-11-23 17:14:07,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:14:07,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:14:07,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:14:07,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:14:07,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:14:04" (1/3) ... [2021-11-23 17:14:07,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26101433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:14:07, skipping insertion in model container [2021-11-23 17:14:07,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:14:05" (2/3) ... [2021-11-23 17:14:07,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26101433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:14:07, skipping insertion in model container [2021-11-23 17:14:07,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:14:07" (3/3) ... [2021-11-23 17:14:07,895 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product31.cil.c [2021-11-23 17:14:07,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:14:07,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:14:07,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:14:07,971 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:14:07,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:14:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 491 states have (on average 1.6761710794297353) internal successors, (823), 509 states have internal predecessors, (823), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2021-11-23 17:14:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 17:14:08,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:14:08,057 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:14:08,058 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:14:08,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:14:08,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1476014081, now seen corresponding path program 1 times [2021-11-23 17:14:08,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:14:08,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853446494] [2021-11-23 17:14:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:14:08,094 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:14:08,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:14:08,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:14:08,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:14:08,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:14:08,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:14:08,405 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:14:08,411 INFO L158 Benchmark]: Toolchain (without parser) took 4025.66ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 39.2MB in the beginning and 36.4MB in the end (delta: 2.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,412 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:14:08,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1186.90ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 39.0MB in the beginning and 43.2MB in the end (delta: -4.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.55ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 67.3MB in the end (delta: -24.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,415 INFO L158 Benchmark]: Boogie Preprocessor took 106.17ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 61.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,416 INFO L158 Benchmark]: RCFGBuilder took 2081.96ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 52.8MB in the end (delta: 8.7MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,417 INFO L158 Benchmark]: TraceAbstraction took 522.83ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:14:08,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1186.90ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 39.0MB in the beginning and 43.2MB in the end (delta: -4.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.55ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 67.3MB in the end (delta: -24.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.17ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 61.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2081.96ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 52.8MB in the end (delta: 8.7MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 522.83ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:14:08,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a20ff-45f6-46db-a097-e4fa7884f2fe/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable