./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product32.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_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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_8430b68e-24e7-4a00-8a68-ff656f301fba/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 e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:15,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:15,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:15,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:15,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:15,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:15,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:15,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:15,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:15,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:15,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:15,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:15,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:15,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:15,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:15,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:15,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:15,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:15,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:15,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:15,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:15,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:15,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:15,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:15,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:15,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:15,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:15,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:15,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:15,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:15,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:15,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:15,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:15,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:15,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:15,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:15,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:15,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:15,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:15,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:15,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:15,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:22:15,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:15,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:15,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:15,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:15,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:15,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:15,814 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:15,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:15,815 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:15,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:22:15,816 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:15,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:15,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:22:15,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:22:15,818 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:15,818 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:22:15,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:22:15,819 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:22:15,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:15,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:22:15,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:22:15,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:22:15,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:15,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:22:15,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:15,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:22:15,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:22:15,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:22:15,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:15,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:22:15,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:15,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:15,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:15,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:15,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:15,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:22:15,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:22:15,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:22:15,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:22:15,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:15,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:15,829 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_8430b68e-24e7-4a00-8a68-ff656f301fba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb [2021-11-23 17:22:16,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:16,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:16,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:16,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:16,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:16,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2021-11-23 17:22:16,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/4d0ad8bc8/fc0330cce50f48809ce010ac574443d8/FLAGec1a3a1fe [2021-11-23 17:22:17,200 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:17,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2021-11-23 17:22:17,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/4d0ad8bc8/fc0330cce50f48809ce010ac574443d8/FLAGec1a3a1fe [2021-11-23 17:22:17,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/4d0ad8bc8/fc0330cce50f48809ce010ac574443d8 [2021-11-23 17:22:17,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:17,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:17,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:17,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:17,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:17,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:17" (1/1) ... [2021-11-23 17:22:17,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53321c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:17, skipping insertion in model container [2021-11-23 17:22:17,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:17" (1/1) ... [2021-11-23 17:22:17,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:17,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:17,693 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_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2021-11-23 17:22:18,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:18,140 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:22:18,156 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_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2021-11-23 17:22:18,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:18,428 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:22:18,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18 WrapperNode [2021-11-23 17:22:18,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:18,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:18,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:22:18,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:22:18,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,565 INFO L137 Inliner]: procedures = 97, calls = 354, calls flagged for inlining = 30, calls inlined = 26, statements flattened = 938 [2021-11-23 17:22:18,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:18,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:22:18,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:22:18,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:22:18,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:22:18,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:22:18,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:22:18,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:22:18,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:18" (1/1) ... [2021-11-23 17:22:18,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:22:18,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:22:18,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:22:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:22:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:22:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-11-23 17:22:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-11-23 17:22:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:22:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:22:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:22:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:22:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:22:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:22:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:22:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:22:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:22:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:22:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:22:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:22:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:22:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:22:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:22:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:22:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:22:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:22:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:22:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:22:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:22:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:22:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:22:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:22:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:22:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:22:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:22:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:22:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:22:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:22:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:22:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:22:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:22:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:22:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:22:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:22:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:22:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:22:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:22:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:22:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:22:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:22:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:22:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:22:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:22:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:22:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:22:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:22:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:22:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:22:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:22:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:22:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:22:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:22:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:22:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:22:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:22:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:22:19,137 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:22:19,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:22:20,374 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:22:20,452 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 17:22:20,458 INFO L158 Benchmark]: Toolchain (without parser) took 3116.52ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 65.9MB in the beginning and 84.5MB in the end (delta: -18.6MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-11-23 17:22:20,459 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:22:20,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.20ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 47.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:22:20,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.38ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 42.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:22:20,462 INFO L158 Benchmark]: Boogie Preprocessor took 143.30ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 42.3MB in the beginning and 107.8MB in the end (delta: -65.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 17:22:20,463 INFO L158 Benchmark]: RCFGBuilder took 1744.16ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 84.5MB in the end (delta: 23.3MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2021-11-23 17:22:20,467 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 102.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.20ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 47.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.38ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 42.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.30ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 42.3MB in the beginning and 107.8MB in the end (delta: -65.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1744.16ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 84.5MB in the end (delta: 23.3MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:22:20,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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_8430b68e-24e7-4a00-8a68-ff656f301fba/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 e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:23,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:23,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:23,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:23,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:23,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:23,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:23,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:23,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:23,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:23,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:23,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:23,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:23,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:23,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:23,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:23,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:23,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:23,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:23,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:23,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:23,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:23,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:23,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:23,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:23,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:23,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:23,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:23,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:23,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:23,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:23,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:23,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:23,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:23,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:23,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:23,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:23,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:23,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:23,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:23,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:23,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:22:23,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:23,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:23,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:23,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:23,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:23,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:23,650 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:23,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:23,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:23,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:23,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:23,653 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:23,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:23,655 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:22:23,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:22:23,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:23,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:22:23,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:23,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:22:23,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:22:23,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:22:23,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:22:23,657 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:22:23,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:22:23,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:23,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:22:23,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:23,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:22:23,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:23,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:23,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:23,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:23,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:22:23,661 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:22:23,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:22:23,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:22:23,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:23,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:23,663 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_8430b68e-24e7-4a00-8a68-ff656f301fba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb [2021-11-23 17:22:24,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:24,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:24,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:24,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:24,229 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:24,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2021-11-23 17:22:24,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/bdd4ab361/f24b4576156c4bc1b9c65c365092294f/FLAG2f9569e77 [2021-11-23 17:22:25,302 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:25,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2021-11-23 17:22:25,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/bdd4ab361/f24b4576156c4bc1b9c65c365092294f/FLAG2f9569e77 [2021-11-23 17:22:25,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/data/bdd4ab361/f24b4576156c4bc1b9c65c365092294f [2021-11-23 17:22:25,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:25,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:25,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:25,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:25,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:25,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:25" (1/1) ... [2021-11-23 17:22:25,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c030f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:25, skipping insertion in model container [2021-11-23 17:22:25,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:25" (1/1) ... [2021-11-23 17:22:25,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:25,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:26,235 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_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2021-11-23 17:22:26,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:26,826 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:22:26,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:26,876 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_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2021-11-23 17:22:27,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:27,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:22:27,096 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_8430b68e-24e7-4a00-8a68-ff656f301fba/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2021-11-23 17:22:27,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:27,270 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:22:27,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27 WrapperNode [2021-11-23 17:22:27,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:27,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:27,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:22:27,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:22:27,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,420 INFO L137 Inliner]: procedures = 99, calls = 354, calls flagged for inlining = 30, calls inlined = 26, statements flattened = 878 [2021-11-23 17:22:27,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:27,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:22:27,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:22:27,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:22:27,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:22:27,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:22:27,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:22:27,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:22:27,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (1/1) ... [2021-11-23 17:22:27,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:27,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:22:27,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:22:27,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:22:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 17:22:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 17:22:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-11-23 17:22:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-11-23 17:22:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:22:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:22:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:22:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:22:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:22:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 17:22:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:22:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:22:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:22:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:22:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:22:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:22:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:22:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:22:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 17:22:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 17:22:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:22:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:22:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:22:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:22:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:22:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:22:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:22:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:22:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2021-11-23 17:22:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 17:22:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 17:22:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:22:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:22:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 17:22:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 17:22:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:22:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:22:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:22:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:22:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:22:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:22:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:22:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:22:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:22:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:22:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:22:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:22:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:22:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:22:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:22:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:22:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:22:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:22:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:22:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:22:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:22:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:22:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:22:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:22:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:22:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 17:22:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 17:22:27,951 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:22:27,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:22:29,718 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:22:29,746 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:22:29,752 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 17:22:29,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:22:29 BoogieIcfgContainer [2021-11-23 17:22:29,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:22:29,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:22:29,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:22:29,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:22:29,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:22:25" (1/3) ... [2021-11-23 17:22:29,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c71d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:22:29, skipping insertion in model container [2021-11-23 17:22:29,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:27" (2/3) ... [2021-11-23 17:22:29,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c71d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:22:29, skipping insertion in model container [2021-11-23 17:22:29,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:22:29" (3/3) ... [2021-11-23 17:22:29,770 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product32.cil.c [2021-11-23 17:22:29,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:22:29,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:22:29,856 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:22:29,865 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 17:22:29,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:22:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 637 states, 496 states have (on average 1.6733870967741935) internal successors, (830), 516 states have internal predecessors, (830), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (110), 106 states have call predecessors, (110), 110 states have call successors, (110) [2021-11-23 17:22:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 17:22:29,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:22:29,930 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 17:22:29,931 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:22:29,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:22:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash 474929604, now seen corresponding path program 1 times [2021-11-23 17:22:29,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:22:29,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578110621] [2021-11-23 17:22:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:22:29,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:22:29,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:22:29,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:22:29,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:22:30,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:22:30,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:22:30,299 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 17:22:30,306 INFO L158 Benchmark]: Toolchain (without parser) took 4449.40ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 38.0MB in the beginning and 45.8MB in the end (delta: -7.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,306 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:22:30,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1414.40ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 37.8MB in the beginning and 52.7MB in the end (delta: -14.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.50ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 47.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,309 INFO L158 Benchmark]: Boogie Preprocessor took 125.06ms. Allocated memory is still 77.6MB. Free memory was 47.5MB in the beginning and 41.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,310 INFO L158 Benchmark]: RCFGBuilder took 2211.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.8MB in the beginning and 61.2MB in the end (delta: -19.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,311 INFO L158 Benchmark]: TraceAbstraction took 539.51ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 45.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:22:30,317 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 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1414.40ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 37.8MB in the beginning and 52.7MB in the end (delta: -14.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.50ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 47.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.06ms. Allocated memory is still 77.6MB. Free memory was 47.5MB in the beginning and 41.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2211.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.8MB in the beginning and 61.2MB in the end (delta: -19.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 539.51ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 45.8MB in the end (delta: 14.8MB). 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 17:22:30,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8430b68e-24e7-4a00-8a68-ff656f301fba/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