./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec3_product20.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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7f63e91390dfc262975e205f156f8c4cc9b5ede7dbe2a20685844995f7cce81 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:54,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:54,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:54,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:54,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:54,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:54,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:54,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:54,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:54,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:54,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:54,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:54,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:54,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:54,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:54,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:54,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:54,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:54,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:54,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:54,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:54,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:54,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:54,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:54,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:54,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:54,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:54,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:54,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:54,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:54,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:54,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:54,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:54,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:54,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:54,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:54,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:54,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:54,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:54,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:54,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:54,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:54,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:54,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:54,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:54,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:54,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:54,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:54,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:54,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:54,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:54,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:54,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:54,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:54,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:54,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:54,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:54,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:54,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:54,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:54,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:54,768 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:54,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:54,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:54,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:54,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:54,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:54,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:54,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:54,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:54,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7f63e91390dfc262975e205f156f8c4cc9b5ede7dbe2a20685844995f7cce81 [2021-11-23 15:57:55,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:55,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:55,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:55,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:55,078 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:55,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c [2021-11-23 15:57:55,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/218959c15/2159942add4749d496c45fc2a448d58f/FLAG6c3a6584d [2021-11-23 15:57:55,771 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:55,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c [2021-11-23 15:57:55,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/218959c15/2159942add4749d496c45fc2a448d58f/FLAG6c3a6584d [2021-11-23 15:57:55,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/218959c15/2159942add4749d496c45fc2a448d58f [2021-11-23 15:57:55,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:55,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:55,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:55,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:55,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:56,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:56,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55699f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56, skipping insertion in model container [2021-11-23 15:57:56,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:56,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:56,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:56,664 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c[62576,62589] [2021-11-23 15:57:56,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,709 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:56,869 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c[62576,62589] [2021-11-23 15:57:56,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,917 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:56,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56 WrapperNode [2021-11-23 15:57:56,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:56,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:56,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:56,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:56,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,061 INFO L137 Inliner]: procedures = 94, calls = 352, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 1112 [2021-11-23 15:57:57,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:57,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:57,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:57,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:57,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:57,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:57,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:57,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:57,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:57,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:57,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:57,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 15:57:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 15:57:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 15:57:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 15:57:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 15:57:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 15:57:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:57:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:57:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 15:57:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 15:57:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:57:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:57:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 15:57:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 15:57:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:57:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:57:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:57:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:57:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:57:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:57:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:57:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:57:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:57:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:57:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:57:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:57:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:57:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:57:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 15:57:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 15:57:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-11-23 15:57:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-11-23 15:57:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:57:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:57:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-11-23 15:57:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-11-23 15:57:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:57:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:57:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:57:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:57:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:57:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:57:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:57:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:57:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 15:57:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 15:57:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:57:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:57:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:57:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:57:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:57:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:57:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:57:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:57:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 15:57:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 15:57:57,529 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:57,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:58,674 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:58,737 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 15:57:58,747 INFO L158 Benchmark]: Toolchain (without parser) took 2753.11ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 52.1MB in the beginning and 57.3MB in the end (delta: -5.2MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:58,747 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:58,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.51ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 43.2MB in the end (delta: 8.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:58,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.46ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 92.2MB in the end (delta: -49.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:58,752 INFO L158 Benchmark]: Boogie Preprocessor took 114.75ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 88.2MB in the end (delta: 3.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:58,752 INFO L158 Benchmark]: RCFGBuilder took 1566.64ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 57.3MB in the end (delta: 30.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:58,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.51ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 43.2MB in the end (delta: 8.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.46ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 92.2MB in the end (delta: -49.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.75ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 88.2MB in the end (delta: 3.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1566.64ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 57.3MB in the end (delta: 30.9MB). Peak memory consumption was 44.0MB. 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 15:57:58,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7f63e91390dfc262975e205f156f8c4cc9b5ede7dbe2a20685844995f7cce81 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:01,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:01,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:01,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:01,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:01,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:01,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:01,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:01,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:01,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:01,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:01,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:01,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:01,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:01,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:01,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:01,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:01,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:01,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:01,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:01,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:01,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:01,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:01,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:01,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:01,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:01,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:01,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:01,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:01,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:01,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:01,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:01,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:01,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:01,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:01,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:01,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:01,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:01,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:01,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:01,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:01,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:01,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:01,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:01,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:01,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:01,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:01,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:01,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:01,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:01,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:01,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:01,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:01,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:01,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:01,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:01,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:01,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:01,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:01,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:01,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:01,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:01,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:01,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:01,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:01,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:01,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:01,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:01,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:01,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:01,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:01,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:01,451 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:01,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:01,452 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7f63e91390dfc262975e205f156f8c4cc9b5ede7dbe2a20685844995f7cce81 [2021-11-23 15:58:01,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:01,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:01,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:01,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:01,804 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:01,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c [2021-11-23 15:58:01,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/21815a0ad/7dbe288ecf3f48ccb67d259b70d3af8f/FLAGa5bf40977 [2021-11-23 15:58:02,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:02,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c [2021-11-23 15:58:02,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/21815a0ad/7dbe288ecf3f48ccb67d259b70d3af8f/FLAGa5bf40977 [2021-11-23 15:58:02,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/data/21815a0ad/7dbe288ecf3f48ccb67d259b70d3af8f [2021-11-23 15:58:02,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:02,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:02,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:02,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:02,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:02,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:02" (1/1) ... [2021-11-23 15:58:02,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa7e0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:02, skipping insertion in model container [2021-11-23 15:58:02,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:02" (1/1) ... [2021-11-23 15:58:02,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:02,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:03,589 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c[62576,62589] [2021-11-23 15:58:03,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:03,644 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:58:03,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:03,755 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c[62576,62589] [2021-11-23 15:58:03,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:03,774 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:03,914 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_6d73071d-2b43-4b01-aa18-352fa9dacb6f/sv-benchmarks/c/product-lines/elevator_spec3_product20.cil.c[62576,62589] [2021-11-23 15:58:03,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:03,973 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:03,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03 WrapperNode [2021-11-23 15:58:03,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:03,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:03,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:03,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:03,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,092 INFO L137 Inliner]: procedures = 96, calls = 352, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 1045 [2021-11-23 15:58:04,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:04,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:04,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:04,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:04,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:04,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:04,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:04,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:04,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03" (1/1) ... [2021-11-23 15:58:04,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:04,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:04,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-11-23 15:58:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-11-23 15:58:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 15:58:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 15:58:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 15:58:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 15:58:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:58:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:58:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 15:58:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 15:58:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:58:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:58:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-11-23 15:58:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-11-23 15:58:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:58:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:58:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:58:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:58:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:58:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:58:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:58:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:58:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:58:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:58:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:58:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:58:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:58:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:58:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 15:58:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 15:58:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-11-23 15:58:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-11-23 15:58:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:58:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:58:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-11-23 15:58:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-11-23 15:58:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:58:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:58:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:58:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:58:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:58:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:58:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:58:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:58:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 15:58:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 15:58:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:58:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:58:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:58:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:58:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:58:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:58:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:58:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:58:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 15:58:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 15:58:04,568 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:04,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:05,830 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:05,888 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 15:58:05,895 INFO L158 Benchmark]: Toolchain (without parser) took 3019.67ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.4MB in the beginning and 55.2MB in the end (delta: -8.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:05,896 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.7MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:05,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1099.55ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 41.3MB in the end (delta: 4.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:05,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.73ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 35.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:05,899 INFO L158 Benchmark]: Boogie Preprocessor took 130.93ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 30.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:05,900 INFO L158 Benchmark]: RCFGBuilder took 1666.55ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 55.2MB in the end (delta: -24.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:05,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.7MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1099.55ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 41.3MB in the end (delta: 4.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.73ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 35.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.93ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 30.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1666.55ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 55.2MB in the end (delta: -24.8MB). Peak memory consumption was 18.0MB. 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 15:58:05,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d73071d-2b43-4b01-aa18-352fa9dacb6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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