./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec3_product24.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_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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_022ecbc6-5616-4dff-994e-398d7dce6900/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 8333bf118d61dc3e3ddedc658c9d6fef28fa288c9b6abdc361c7a0f5f6e109b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:31,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:31,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:31,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:31,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:31,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:31,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:31,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:31,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:31,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:31,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:31,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:31,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:31,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:31,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:31,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:31,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:31,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:31,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:31,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:31,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:31,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:31,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:31,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:31,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:31,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:31,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:31,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:31,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:31,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:31,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:31,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:31,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:31,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:31,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:31,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:31,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:31,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:31,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:31,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:31,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:31,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:28:32,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:32,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:32,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:32,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:32,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:32,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:32,059 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:32,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:32,059 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:32,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:28:32,061 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:32,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:32,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:28:32,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:28:32,062 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:32,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:28:32,063 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:28:32,063 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:28:32,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:32,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:32,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:28:32,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:32,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:32,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:32,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:32,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:32,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:32,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:32,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:32,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:32,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:32,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:32,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:32,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:32,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:32,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:32,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:28:32,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:28:32,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:32,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:32,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:32,074 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_022ecbc6-5616-4dff-994e-398d7dce6900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8333bf118d61dc3e3ddedc658c9d6fef28fa288c9b6abdc361c7a0f5f6e109b7 [2021-11-23 17:28:32,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:32,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:32,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:32,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:32,467 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:32,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c [2021-11-23 17:28:32,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/c78ca1532/bcd5670679804abe9feb42891ccb3fc8/FLAGf38bac0cd [2021-11-23 17:28:33,326 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:33,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c [2021-11-23 17:28:33,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/c78ca1532/bcd5670679804abe9feb42891ccb3fc8/FLAGf38bac0cd [2021-11-23 17:28:33,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/c78ca1532/bcd5670679804abe9feb42891ccb3fc8 [2021-11-23 17:28:33,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:33,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:33,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:33,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:33,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:33,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:33" (1/1) ... [2021-11-23 17:28:33,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573fd961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:33, skipping insertion in model container [2021-11-23 17:28:33,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:33" (1/1) ... [2021-11-23 17:28:33,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:33,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:34,313 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_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c[75121,75134] [2021-11-23 17:28:34,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:34,326 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:34,468 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_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c[75121,75134] [2021-11-23 17:28:34,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:34,506 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:34,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34 WrapperNode [2021-11-23 17:28:34,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:34,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:34,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:34,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:34,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,630 INFO L137 Inliner]: procedures = 96, calls = 359, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 966 [2021-11-23 17:28:34,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:34,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:34,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:34,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:34,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:34,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:34,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:34,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:34,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:34" (1/1) ... [2021-11-23 17:28:34,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:34,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:28:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:28:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:28:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:28:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:28:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:28:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:28:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:28:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:28:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:28:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:28:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:28:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:28:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:28:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:28:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:28:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:28:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:28:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:28:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:28:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:28:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:28:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:28:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:28:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:28:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:28:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:28:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:28:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:28:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:28:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-11-23 17:28:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-11-23 17:28:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:28:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-11-23 17:28:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-11-23 17:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:28:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:28:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:28:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:28:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:28:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:28:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:28:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:28:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:28:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:28:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:28:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:28:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:28:35,094 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:35,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:28:36,653 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:28:36,732 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 17:28:36,739 INFO L158 Benchmark]: Toolchain (without parser) took 3263.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.9MB in the beginning and 50.4MB in the end (delta: 14.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,740 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 87.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.70ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.9MB in the beginning and 74.2MB in the end (delta: -9.3MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.60ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 68.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,744 INFO L158 Benchmark]: Boogie Preprocessor took 111.82ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 63.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,745 INFO L158 Benchmark]: RCFGBuilder took 1975.50ms. Allocated memory is still 104.9MB. Free memory was 63.5MB in the beginning and 50.4MB in the end (delta: 13.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 17:28:36,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 87.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.70ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.9MB in the beginning and 74.2MB in the end (delta: -9.3MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.60ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 68.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.82ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 63.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1975.50ms. Allocated memory is still 104.9MB. Free memory was 63.5MB in the beginning and 50.4MB in the end (delta: 13.1MB). Peak memory consumption was 26.5MB. 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 17:28:36,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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_022ecbc6-5616-4dff-994e-398d7dce6900/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 8333bf118d61dc3e3ddedc658c9d6fef28fa288c9b6abdc361c7a0f5f6e109b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:39,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:39,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:39,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:39,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:39,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:39,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:39,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:39,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:39,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:39,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:39,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:39,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:39,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:39,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:39,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:39,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:39,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:39,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:39,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:39,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:39,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:39,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:39,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:39,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:39,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:39,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:39,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:39,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:39,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:39,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:39,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:39,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:39,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:39,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:39,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:39,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:39,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:39,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:39,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:39,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:39,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:28:39,551 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:39,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:39,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:39,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:39,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:39,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:39,553 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:39,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:39,554 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:39,554 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:39,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:39,554 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:39,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:39,556 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:39,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:39,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:39,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:39,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:39,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:39,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:28:39,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:28:39,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:28:39,558 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:39,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:39,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:39,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:39,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:39,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:28:39,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:39,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:39,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:39,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:39,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:39,560 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:28:39,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:28:39,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:39,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:39,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:39,562 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_022ecbc6-5616-4dff-994e-398d7dce6900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8333bf118d61dc3e3ddedc658c9d6fef28fa288c9b6abdc361c7a0f5f6e109b7 [2021-11-23 17:28:40,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:40,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:40,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:40,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:40,039 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:40,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c [2021-11-23 17:28:40,119 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/b0fd21e8c/dc1e5e2b3b734efcbf0b3154529d2ee9/FLAG183745c8e [2021-11-23 17:28:40,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:40,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c [2021-11-23 17:28:40,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/b0fd21e8c/dc1e5e2b3b734efcbf0b3154529d2ee9/FLAG183745c8e [2021-11-23 17:28:41,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/data/b0fd21e8c/dc1e5e2b3b734efcbf0b3154529d2ee9 [2021-11-23 17:28:41,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:41,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:41,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:41,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:41,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:41,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:41" (1/1) ... [2021-11-23 17:28:41,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269ec4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:41, skipping insertion in model container [2021-11-23 17:28:41,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:41" (1/1) ... [2021-11-23 17:28:41,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:41,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:41,993 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_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c[75121,75134] [2021-11-23 17:28:41,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:42,017 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:28:42,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:42,225 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_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c[75121,75134] [2021-11-23 17:28:42,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:42,231 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:42,366 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_022ecbc6-5616-4dff-994e-398d7dce6900/sv-benchmarks/c/product-lines/elevator_spec3_product24.cil.c[75121,75134] [2021-11-23 17:28:42,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:42,418 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:42,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42 WrapperNode [2021-11-23 17:28:42,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:42,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:42,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:42,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:42,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,557 INFO L137 Inliner]: procedures = 98, calls = 359, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 901 [2021-11-23 17:28:42,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:42,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:42,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:42,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:42,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:42,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:42,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:42,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:42,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:42,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:42,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:42,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:28:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:28:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:28:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:28:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:28:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:28:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:28:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:28:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:28:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:28:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:28:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:28:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:28:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:28:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:28:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:28:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:28:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:28:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:28:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:28:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:28:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:28:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:28:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:28:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:28:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:28:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:28:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:28:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:28:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:28:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:28:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:28:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:28:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:28:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:28:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:28:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:28:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-11-23 17:28:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-11-23 17:28:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:28:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:28:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-11-23 17:28:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-11-23 17:28:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:28:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:28:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:28:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:28:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:28:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:28:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:28:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:28:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:28:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:28:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:28:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:28:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:28:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:28:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:28:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:28:43,099 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:43,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:28:44,946 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:28:44,967 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:28:44,968 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:28:44,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:28:44 BoogieIcfgContainer [2021-11-23 17:28:44,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:28:44,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:28:44,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:28:44,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:28:44,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:28:41" (1/3) ... [2021-11-23 17:28:44,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba350a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:28:44, skipping insertion in model container [2021-11-23 17:28:44,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42" (2/3) ... [2021-11-23 17:28:44,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba350a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:28:44, skipping insertion in model container [2021-11-23 17:28:44,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:28:44" (3/3) ... [2021-11-23 17:28:44,983 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2021-11-23 17:28:44,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:28:44,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:28:45,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:28:45,083 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 17:28:45,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:28:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 620 states, 474 states have (on average 1.6582278481012658) internal successors, (786), 494 states have internal predecessors, (786), 115 states have call successors, (115), 29 states have call predecessors, (115), 29 states have return successors, (115), 111 states have call predecessors, (115), 115 states have call successors, (115) [2021-11-23 17:28:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 17:28:45,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:28:45,155 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 17:28:45,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:28:45,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:28:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1970042656, now seen corresponding path program 1 times [2021-11-23 17:28:45,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:28:45,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876100718] [2021-11-23 17:28:45,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:28:45,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:28:45,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:28:45,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:28:45,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:28:45,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:28:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:28:45,476 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 17:28:45,482 INFO L158 Benchmark]: Toolchain (without parser) took 4398.42ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 49.3MB in the end (delta: -5.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 17:28:45,482 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:28:45,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.29ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 62.1MB in the end (delta: -18.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-23 17:28:45,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.93ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 56.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:28:45,485 INFO L158 Benchmark]: Boogie Preprocessor took 140.01ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 51.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:28:45,485 INFO L158 Benchmark]: RCFGBuilder took 2259.29ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 37.6MB in the end (delta: 14.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 17:28:45,494 INFO L158 Benchmark]: TraceAbstraction took 503.49ms. Allocated memory is still 90.2MB. Free memory was 37.0MB in the beginning and 49.3MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:28:45,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.29ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 62.1MB in the end (delta: -18.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.93ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 56.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.01ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 51.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2259.29ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 37.6MB in the end (delta: 14.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 503.49ms. Allocated memory is still 90.2MB. Free memory was 37.0MB in the beginning and 49.3MB in the end (delta: -12.3MB). There was no memory consumed. 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 17:28:45,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ecbc6-5616-4dff-994e-398d7dce6900/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