./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product09.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_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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_d17dd990-d848-434b-9c89-552c5c5a2204/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 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:14,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:14,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:14,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:14,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:14,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:14,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:14,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:14,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:14,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:14,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:14,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:14,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:14,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:14,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:14,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:14,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:14,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:14,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:14,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:14,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:14,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:14,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:14,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:14,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:14,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:14,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:14,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:14,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:14,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:14,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:14,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:14,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:14,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:14,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:14,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:14,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:14,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:14,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:14,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:14,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:14,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:14,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:14,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:14,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:14,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:14,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:14,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:14,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:14,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:14,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:14,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:14,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:14,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:14,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:14,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:14,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:14,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:14,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:14,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:14,590 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:14,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:14,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:14,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:14,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:14,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:14,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:14,592 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:14,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:14,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:14,592 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_d17dd990-d848-434b-9c89-552c5c5a2204/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 [2021-11-23 15:30:14,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:14,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:14,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:14,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:14,923 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:14,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-11-23 15:30:15,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/95daa7b17/1a1d6b855c144eea9bd6527d3e27d50a/FLAG28357c225 [2021-11-23 15:30:15,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:15,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-11-23 15:30:15,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/95daa7b17/1a1d6b855c144eea9bd6527d3e27d50a/FLAG28357c225 [2021-11-23 15:30:16,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/95daa7b17/1a1d6b855c144eea9bd6527d3e27d50a [2021-11-23 15:30:16,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:16,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:16,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:16,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:16,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:16,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b27e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16, skipping insertion in model container [2021-11-23 15:30:16,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:16,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:16,493 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_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c[28842,28855] [2021-11-23 15:30:16,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:16,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:16,756 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_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c[28842,28855] [2021-11-23 15:30:16,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:16,847 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:16,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16 WrapperNode [2021-11-23 15:30:16,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:16,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:16,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:16,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:16,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,951 INFO L137 Inliner]: procedures = 89, calls = 330, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 812 [2021-11-23 15:30:16,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:16,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:16,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:16,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:16,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:16,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:17,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:17,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:17,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:17,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:17,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:17,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:17,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:17,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:16" (1/1) ... [2021-11-23 15:30:17,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:17,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:17,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 15:30:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 15:30:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:30:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:30:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:30:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:30:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:30:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:30:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:30:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:30:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:30:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:30:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 15:30:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 15:30:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:30:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:30:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:30:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:30:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:30:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:30:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:30:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:30:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:30:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:30:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:30:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:30:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:30:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:30:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:30:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:30:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:30:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:30:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:30:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:30:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:30:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:30:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:30:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:30:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:30:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:30:17,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:17,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:18,584 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:18,635 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 15:30:18,640 INFO L158 Benchmark]: Toolchain (without parser) took 2622.53ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 50.9MB in the end (delta: 38.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:18,641 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:18,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.92ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 71.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:18,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.45ms. Allocated memory is still 123.7MB. Free memory was 71.7MB in the beginning and 67.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:18,646 INFO L158 Benchmark]: Boogie Preprocessor took 87.28ms. Allocated memory is still 123.7MB. Free memory was 67.2MB in the beginning and 62.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:18,647 INFO L158 Benchmark]: RCFGBuilder took 1584.15ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 50.9MB in the end (delta: 11.5MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:18,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.92ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 71.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.45ms. Allocated memory is still 123.7MB. Free memory was 71.7MB in the beginning and 67.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.28ms. Allocated memory is still 123.7MB. Free memory was 67.2MB in the beginning and 62.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1584.15ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 50.9MB in the end (delta: 11.5MB). Peak memory consumption was 24.7MB. 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 15:30:18,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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_d17dd990-d848-434b-9c89-552c5c5a2204/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 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:21,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:21,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:21,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:21,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:21,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:21,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:21,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:21,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:21,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:21,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:21,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:21,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:21,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:21,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:21,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:21,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:21,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:21,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:21,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:21,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:21,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:21,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:21,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:21,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:21,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:21,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:21,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:21,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:21,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:21,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:21,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:21,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:21,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:21,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:21,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:21,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:21,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:21,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:21,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:21,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:21,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:21,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:21,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:21,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:21,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:21,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:21,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:21,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:21,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:21,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:21,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:21,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:21,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:21,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:21,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:21,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:21,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:21,363 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:21,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:21,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:21,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:21,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:21,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:21,364 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:21,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:21,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:21,365 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:21,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:21,366 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_d17dd990-d848-434b-9c89-552c5c5a2204/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 [2021-11-23 15:30:21,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:21,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:21,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:21,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:21,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:21,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-11-23 15:30:21,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/5cf524155/607f2d3ad0ed418798b4454ad0e3333f/FLAGfeb16c1fe [2021-11-23 15:30:22,763 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:22,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-11-23 15:30:22,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/5cf524155/607f2d3ad0ed418798b4454ad0e3333f/FLAGfeb16c1fe [2021-11-23 15:30:22,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/data/5cf524155/607f2d3ad0ed418798b4454ad0e3333f [2021-11-23 15:30:22,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:22,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:22,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:22,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:22,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:22,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:22" (1/1) ... [2021-11-23 15:30:22,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48740bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:22, skipping insertion in model container [2021-11-23 15:30:22,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:22" (1/1) ... [2021-11-23 15:30:22,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:23,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:23,651 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_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c[28842,28855] [2021-11-23 15:30:23,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:23,889 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:30:23,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:24,020 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_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c[28842,28855] [2021-11-23 15:30:24,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:24,160 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:24,217 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_d17dd990-d848-434b-9c89-552c5c5a2204/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c[28842,28855] [2021-11-23 15:30:24,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:24,328 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:24,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24 WrapperNode [2021-11-23 15:30:24,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:24,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:24,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:24,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:24,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,432 INFO L137 Inliner]: procedures = 91, calls = 330, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 771 [2021-11-23 15:30:24,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:24,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:24,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:24,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:24,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:24,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:24,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:24,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:24,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:24" (1/1) ... [2021-11-23 15:30:24,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:24,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:24,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:24,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 15:30:24,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 15:30:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:30:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:30:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:30:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:30:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:30:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:30:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:30:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:30:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:30:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:30:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 15:30:24,654 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 15:30:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:30:24,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:30:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:30:24,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:30:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:30:24,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:30:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:30:24,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:30:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:30:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:30:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:30:24,657 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:30:24,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:30:24,657 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:30:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:30:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:30:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:30:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:30:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:30:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:30:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:30:24,880 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:24,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:26,313 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:26,429 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 15:30:26,434 INFO L158 Benchmark]: Toolchain (without parser) took 3486.28ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 46.3MB in the beginning and 50.2MB in the end (delta: -3.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:26,435 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:26,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.67ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 61.5MB in the end (delta: -15.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:26,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.59ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 56.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:26,438 INFO L158 Benchmark]: Boogie Preprocessor took 113.63ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 80.8MB in the end (delta: -23.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:26,439 INFO L158 Benchmark]: RCFGBuilder took 1880.37ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 50.2MB in the end (delta: 30.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-23 15:30:26,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.67ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 61.5MB in the end (delta: -15.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.59ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 56.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.63ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 80.8MB in the end (delta: -23.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1880.37ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 50.2MB in the end (delta: 30.6MB). Peak memory consumption was 37.6MB. 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 15:30:26,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17dd990-d848-434b-9c89-552c5c5a2204/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