./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec1_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_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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_65577a13-2092-4916-9d76-c9a45c64a51e/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 bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:58,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:58,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:58,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:58,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:58,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:58,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:58,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:58,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:58,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:58,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:58,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:58,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:58,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:58,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:58,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:58,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:58,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:58,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:58,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:58,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:58,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:58,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:58,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:58,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:58,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:58,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:58,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:58,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:58,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:58,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:58,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:58,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:58,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:58,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:58,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:58,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:58,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:58,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:58,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:58,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:58,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:22:58,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:58,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:58,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:58,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:58,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:58,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:58,397 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:58,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:58,398 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:58,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:22:58,398 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:58,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:58,399 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:22:58,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:22:58,399 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:58,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:22:58,400 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:22:58,400 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:22:58,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:58,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:22:58,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:22:58,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:22:58,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:58,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:22:58,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:58,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:22:58,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:22:58,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:22:58,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:58,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:22:58,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:58,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:58,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:58,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:58,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:58,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:22:58,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:22:58,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:22:58,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:22:58,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:58,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:58,406 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_65577a13-2092-4916-9d76-c9a45c64a51e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 [2021-11-23 17:22:58,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:58,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:58,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:58,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:58,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:58,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-11-23 17:22:58,857 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/ba46ce6f6/efa38e8db035417f90e56378f2fd74db/FLAG16cc8c4fc [2021-11-23 17:22:59,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:59,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-11-23 17:22:59,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/ba46ce6f6/efa38e8db035417f90e56378f2fd74db/FLAG16cc8c4fc [2021-11-23 17:22:59,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/ba46ce6f6/efa38e8db035417f90e56378f2fd74db [2021-11-23 17:22:59,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:59,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:59,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:59,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:59,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:59,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:59" (1/1) ... [2021-11-23 17:22:59,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7db62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:59, skipping insertion in model container [2021-11-23 17:22:59,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:59" (1/1) ... [2021-11-23 17:22:59,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:59,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:00,299 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_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c[11232,11245] [2021-11-23 17:23:00,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:00,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:00,637 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_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c[11232,11245] [2021-11-23 17:23:00,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:00,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:00,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00 WrapperNode [2021-11-23 17:23:00,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:00,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:00,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:00,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:00,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,868 INFO L137 Inliner]: procedures = 98, calls = 354, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 926 [2021-11-23 17:23:00,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:00,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:00,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:00,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:00,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:00,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:00,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:00,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:00,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:00" (1/1) ... [2021-11-23 17:23:00,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:01,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:01,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:23:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:23:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:23:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:23:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:23:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:23:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:23:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:23:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:23:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:23:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:23:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:23:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:23:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:23:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:23:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:23:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:23:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:23:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:23:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:23:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:23:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:23:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:23:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:23:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:23:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:23:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:23:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:23:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:23:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:23:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:23:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:23:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:23:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:23:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:23:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:23:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:23:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:23:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:23:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:23:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:23:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:23:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:23:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:23:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:23:01,293 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:01,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:02,727 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:23:02,766 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 17:23:02,775 INFO L158 Benchmark]: Toolchain (without parser) took 2930.75ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 58.8MB in the beginning and 85.6MB in the end (delta: -26.8MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2021-11-23 17:23:02,776 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:02,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.70ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 67.6MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:23:02,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.48ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 61.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:23:02,779 INFO L158 Benchmark]: Boogie Preprocessor took 87.87ms. Allocated memory is still 121.6MB. Free memory was 61.9MB in the beginning and 56.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:23:02,780 INFO L158 Benchmark]: RCFGBuilder took 1815.78ms. Allocated memory is still 121.6MB. Free memory was 56.8MB in the beginning and 85.6MB in the end (delta: -28.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-23 17:23:02,783 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 94.4MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.70ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 67.6MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.48ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 61.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.87ms. Allocated memory is still 121.6MB. Free memory was 61.9MB in the beginning and 56.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1815.78ms. Allocated memory is still 121.6MB. Free memory was 56.8MB in the beginning and 85.6MB in the end (delta: -28.8MB). Peak memory consumption was 28.2MB. 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 17:23:02,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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_65577a13-2092-4916-9d76-c9a45c64a51e/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 bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:05,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:05,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:05,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:05,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:05,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:05,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:05,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:05,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:05,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:05,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:05,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:05,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:05,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:05,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:05,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:05,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:05,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:05,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:05,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:05,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:05,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:05,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:05,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:05,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:05,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:05,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:05,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:05,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:05,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:05,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:05,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:05,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:05,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:05,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:05,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:05,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:05,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:05,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:05,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:05,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:05,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:23:05,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:05,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:05,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:05,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:05,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:05,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:05,555 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:05,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:05,556 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:05,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:05,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:05,556 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:05,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:05,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:23:05,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:23:05,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:05,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:23:05,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:05,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:23:05,559 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:23:05,559 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:23:05,559 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:23:05,560 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:23:05,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:23:05,560 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:05,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:23:05,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:05,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:23:05,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:05,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:05,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:05,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:05,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:23:05,563 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:23:05,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:23:05,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:23:05,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:05,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:05,564 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_65577a13-2092-4916-9d76-c9a45c64a51e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 [2021-11-23 17:23:05,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:06,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:06,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:06,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:06,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:06,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-11-23 17:23:06,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/e99b6754d/f5bba193ed61488f883429a1e5bdaaa2/FLAG8866e9970 [2021-11-23 17:23:06,744 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:06,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-11-23 17:23:06,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/e99b6754d/f5bba193ed61488f883429a1e5bdaaa2/FLAG8866e9970 [2021-11-23 17:23:06,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/data/e99b6754d/f5bba193ed61488f883429a1e5bdaaa2 [2021-11-23 17:23:06,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:06,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:06,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:06,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:07,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:07,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:06" (1/1) ... [2021-11-23 17:23:07,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b4e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:07, skipping insertion in model container [2021-11-23 17:23:07,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:06" (1/1) ... [2021-11-23 17:23:07,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:07,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:07,514 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_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c[11232,11245] [2021-11-23 17:23:07,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:07,859 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:23:07,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:07,931 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_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c[11232,11245] [2021-11-23 17:23:08,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:08,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:08,099 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_65577a13-2092-4916-9d76-c9a45c64a51e/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c[11232,11245] [2021-11-23 17:23:08,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:08,268 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:08,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08 WrapperNode [2021-11-23 17:23:08,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:08,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:08,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:08,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:08,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,404 INFO L137 Inliner]: procedures = 100, calls = 354, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 869 [2021-11-23 17:23:08,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:08,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:08,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:08,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:08,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:08,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:08,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:08,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:08,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2021-11-23 17:23:08,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:08,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:08,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:08,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:23:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:23:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:23:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:23:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:23:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:23:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:23:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:23:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:23:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:23:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:23:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:23:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:23:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:23:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:23:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:23:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:23:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:23:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:23:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:23:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:23:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:23:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:23:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:23:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:23:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:23:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:23:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:23:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:23:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:23:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:23:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:23:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:23:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:23:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:23:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:23:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:23:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:23:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:23:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:23:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:23:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:23:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:23:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:23:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:23:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:23:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:23:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:23:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:23:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:23:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:23:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:23:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-11-23 17:23:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:23:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:23:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:23:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:23:08,812 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:08,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:10,590 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:23:10,606 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:23:10,607 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:23:10,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:10 BoogieIcfgContainer [2021-11-23 17:23:10,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:23:10,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:23:10,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:23:10,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:23:10,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:23:06" (1/3) ... [2021-11-23 17:23:10,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f7efc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:10, skipping insertion in model container [2021-11-23 17:23:10,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (2/3) ... [2021-11-23 17:23:10,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f7efc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:23:10, skipping insertion in model container [2021-11-23 17:23:10,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:10" (3/3) ... [2021-11-23 17:23:10,620 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2021-11-23 17:23:10,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:23:10,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:23:10,706 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:23:10,714 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 17:23:10,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:23:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 603 states, 465 states have (on average 1.6709677419354838) internal successors, (777), 488 states have internal predecessors, (777), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 101 states have call predecessors, (108), 108 states have call successors, (108) [2021-11-23 17:23:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 17:23:10,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:23:10,770 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 17:23:10,771 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:23:10,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:23:10,778 INFO L85 PathProgramCache]: Analyzing trace with hash -103685330, now seen corresponding path program 1 times [2021-11-23 17:23:10,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:23:10,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129790241] [2021-11-23 17:23:10,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:23:10,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:23:10,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:23:10,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:23:10,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:23:10,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:23:11,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:23:11,106 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 17:23:11,110 INFO L158 Benchmark]: Toolchain (without parser) took 4146.62ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 70.9MB in the end (delta: -27.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,111 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:11,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.44ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 58.8MB in the end (delta: -15.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.31ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 53.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,119 INFO L158 Benchmark]: Boogie Preprocessor took 83.43ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 47.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,120 INFO L158 Benchmark]: RCFGBuilder took 2120.98ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 85.8MB in the end (delta: -37.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,122 INFO L158 Benchmark]: TraceAbstraction took 495.74ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 70.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:23:11,128 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 81.8MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.44ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 58.8MB in the end (delta: -15.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.31ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 53.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.43ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 47.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2120.98ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 85.8MB in the end (delta: -37.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * TraceAbstraction took 495.74ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 70.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. 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 17:23:11,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65577a13-2092-4916-9d76-c9a45c64a51e/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