./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec1_product19.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_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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_2734a028-2235-44f3-8497-489d7800e51e/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 329a2716e4212f7d84877599b73bf84d73c2c4b19cd8d5bf0b2cb6bd49bef38d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:02,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:02,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:02,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:02,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:02,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:02,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:02,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:02,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:02,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:02,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:02,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:02,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:02,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:02,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:02,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:02,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:02,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:02,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:02,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:02,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:02,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:02,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:02,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:02,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:02,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:02,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:02,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:02,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:02,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:02,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:02,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:02,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:02,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:02,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:02,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:02,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:02,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:02,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:02,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:02,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:02,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:03:02,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:02,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:02,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:02,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:02,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:02,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:02,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:02,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:02,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:02,961 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:03:02,962 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:02,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:02,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:03:02,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:03:02,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:02,964 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:03:02,965 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:03:02,965 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:03:02,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:02,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:02,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:03:02,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:02,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:02,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:02,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:02,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:02,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:02,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:02,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:02,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:02,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:02,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:02,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:02,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:02,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:02,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:02,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:03:02,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:03:02,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:02,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:02,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:02,972 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_2734a028-2235-44f3-8497-489d7800e51e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 329a2716e4212f7d84877599b73bf84d73c2c4b19cd8d5bf0b2cb6bd49bef38d [2021-11-23 17:03:03,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:03,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:03,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:03,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:03,264 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:03,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2021-11-23 17:03:03,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/625c6df02/3ab624c41d4349e9b3117d730e317106/FLAG8c2ad0d28 [2021-11-23 17:03:04,018 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:04,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2021-11-23 17:03:04,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/625c6df02/3ab624c41d4349e9b3117d730e317106/FLAG8c2ad0d28 [2021-11-23 17:03:04,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/625c6df02/3ab624c41d4349e9b3117d730e317106 [2021-11-23 17:03:04,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:04,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:04,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:04,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:04,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:04,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:04" (1/1) ... [2021-11-23 17:03:04,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6689f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:04, skipping insertion in model container [2021-11-23 17:03:04,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:04" (1/1) ... [2021-11-23 17:03:04,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:04,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:04,790 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_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c[61467,61480] [2021-11-23 17:03:04,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:04,874 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:05,017 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_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c[61467,61480] [2021-11-23 17:03:05,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:05,094 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:05,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05 WrapperNode [2021-11-23 17:03:05,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:05,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:05,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:05,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:05,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,268 INFO L137 Inliner]: procedures = 94, calls = 341, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 1108 [2021-11-23 17:03:05,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:05,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:05,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:05,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:05,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:05,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:05,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:05,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:05,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:05" (1/1) ... [2021-11-23 17:03:05,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:05,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:05,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:03:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:03:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:03:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:03:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:03:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:03:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 17:03:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 17:03:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:03:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:03:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:03:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:03:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:03:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:03:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:03:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:03:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:03:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:03:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:03:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:03:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:03:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:03:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:03:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:03:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:03:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:03:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:03:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:03:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:03:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:03:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:03:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:03:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:03:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:03:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:03:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:03:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:03:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:03:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:03:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:03:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:03:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:03:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:03:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:03:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:03:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:03:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:03:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:03:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:03:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:03:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:03:05,718 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:05,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:06,906 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:06,952 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 17:03:06,964 INFO L158 Benchmark]: Toolchain (without parser) took 2730.80ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.9MB in the beginning and 53.1MB in the end (delta: 4.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-11-23 17:03:06,964 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:06,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.44ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 42.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:03:06,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 42.5MB in the beginning and 86.3MB in the end (delta: -43.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 17:03:06,969 INFO L158 Benchmark]: Boogie Preprocessor took 83.37ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 80.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:03:06,970 INFO L158 Benchmark]: RCFGBuilder took 1606.93ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 53.1MB in the end (delta: 27.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-23 17:03:06,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.44ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 42.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 42.5MB in the beginning and 86.3MB in the end (delta: -43.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.37ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 80.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1606.93ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 53.1MB in the end (delta: 27.8MB). Peak memory consumption was 40.1MB. 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 17:03:07,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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_2734a028-2235-44f3-8497-489d7800e51e/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 329a2716e4212f7d84877599b73bf84d73c2c4b19cd8d5bf0b2cb6bd49bef38d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:09,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:09,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:09,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:09,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:09,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:09,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:09,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:09,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:09,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:09,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:09,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:09,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:09,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:09,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:09,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:09,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:09,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:09,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:09,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:09,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:09,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:09,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:09,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:09,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:09,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:09,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:09,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:09,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:09,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:09,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:09,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:09,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:09,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:09,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:09,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:09,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:09,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:09,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:09,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:09,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:09,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:03:09,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:09,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:09,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:09,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:09,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:09,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:09,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:09,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:09,717 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:09,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:09,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:09,718 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:09,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:09,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:09,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:09,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:09,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:09,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:09,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:09,722 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:03:09,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:03:09,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:03:09,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:09,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:09,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:09,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:09,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:09,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:03:09,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:09,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:09,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:09,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:09,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:09,725 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:03:09,726 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:03:09,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:09,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:09,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:09,727 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_2734a028-2235-44f3-8497-489d7800e51e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 329a2716e4212f7d84877599b73bf84d73c2c4b19cd8d5bf0b2cb6bd49bef38d [2021-11-23 17:03:10,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:10,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:10,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:10,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:10,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:10,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2021-11-23 17:03:10,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/47a0e8cd6/d09463d551bc4d34b8c40234bcf2b965/FLAG080a1bd02 [2021-11-23 17:03:10,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:10,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2021-11-23 17:03:10,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/47a0e8cd6/d09463d551bc4d34b8c40234bcf2b965/FLAG080a1bd02 [2021-11-23 17:03:11,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/data/47a0e8cd6/d09463d551bc4d34b8c40234bcf2b965 [2021-11-23 17:03:11,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:11,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:11,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:11,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:11,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:11,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:11" (1/1) ... [2021-11-23 17:03:11,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3221a129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:11, skipping insertion in model container [2021-11-23 17:03:11,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:11" (1/1) ... [2021-11-23 17:03:11,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:11,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:11,967 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_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c[61467,61480] [2021-11-23 17:03:12,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:12,077 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:03:12,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:12,231 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_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c[61467,61480] [2021-11-23 17:03:12,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:12,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:12,375 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_2734a028-2235-44f3-8497-489d7800e51e/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c[61467,61480] [2021-11-23 17:03:12,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:12,421 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:12,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12 WrapperNode [2021-11-23 17:03:12,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:12,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:12,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:12,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:12,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,535 INFO L137 Inliner]: procedures = 96, calls = 341, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 1048 [2021-11-23 17:03:12,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:12,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:12,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:12,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:12,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:12,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:12,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:12,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:12,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:12,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:12,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:12,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:03:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:03:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:03:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:03:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:03:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:03:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 17:03:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 17:03:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:03:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:03:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:03:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:03:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:03:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:03:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:03:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:03:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:03:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:03:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:03:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:03:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:03:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:03:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:03:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:03:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:03:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:03:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:03:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:03:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:03:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:03:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:03:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:03:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:03:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:03:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:03:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:03:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:03:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:03:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:03:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:03:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:03:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:03:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:03:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:03:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:03:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:03:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:03:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:03:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:03:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:03:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:03:13,011 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:13,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:14,286 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:14,311 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:03:14,311 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:03:14,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:14 BoogieIcfgContainer [2021-11-23 17:03:14,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:03:14,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:03:14,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:03:14,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:03:14,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:03:11" (1/3) ... [2021-11-23 17:03:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d845a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:14, skipping insertion in model container [2021-11-23 17:03:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (2/3) ... [2021-11-23 17:03:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d845a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:14, skipping insertion in model container [2021-11-23 17:03:14,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:14" (3/3) ... [2021-11-23 17:03:14,325 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product19.cil.c [2021-11-23 17:03:14,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:03:14,332 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:03:14,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:03:14,395 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 17:03:14,395 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:03:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 441 states have (on average 1.6848072562358276) internal successors, (743), 462 states have internal predecessors, (743), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (99), 93 states have call predecessors, (99), 99 states have call successors, (99) [2021-11-23 17:03:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 17:03:14,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:14,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:14,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1483608375, now seen corresponding path program 1 times [2021-11-23 17:03:14,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:14,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431748961] [2021-11-23 17:03:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:14,492 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:14,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:14,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:14,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:03:14,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:14,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:14,838 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 17:03:14,842 INFO L158 Benchmark]: Toolchain (without parser) took 3705.32ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 30.2MB in the beginning and 52.6MB in the end (delta: -22.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,843 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:14,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.68ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 41.5MB in the end (delta: -11.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.88ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 36.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,846 INFO L158 Benchmark]: Boogie Preprocessor took 97.50ms. Allocated memory is still 69.2MB. Free memory was 36.2MB in the beginning and 31.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,846 INFO L158 Benchmark]: RCFGBuilder took 1665.97ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 45.4MB in the end (delta: -14.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,847 INFO L158 Benchmark]: TraceAbstraction took 522.63ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.6MB in the end (delta: -7.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.68ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 41.5MB in the end (delta: -11.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.88ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 36.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.50ms. Allocated memory is still 69.2MB. Free memory was 36.2MB in the beginning and 31.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1665.97ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 45.4MB in the end (delta: -14.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 522.63ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.6MB in the end (delta: -7.6MB). Peak memory consumption was 16.7MB. 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 17:03:14,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2734a028-2235-44f3-8497-489d7800e51e/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