./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product01.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_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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_238e25a2-758d-4823-92fd-c1e19bbbe745/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 8190dbbeca15ebdc96e247bb91a06680a00a60089c25180495df59d4a11849af --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:34,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:34,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:34,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:34,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:34,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:34,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:34,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:34,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:34,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:34,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:34,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:34,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:34,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:34,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:34,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:34,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:34,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:34,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:34,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:34,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:34,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:34,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:34,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:34,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:34,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:34,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:34,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:34,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:34,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:34,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:34,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:34,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:34,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:34,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:34,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:34,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:34,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:34,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:34,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:34,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:34,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:34,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:34,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:34,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:34,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:34,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:34,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:34,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:34,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:34,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:34,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:34,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:34,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:34,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:34,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:34,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:34,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:34,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:34,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:34,396 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:34,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:34,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:34,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:34,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:34,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:34,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:34,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:34,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:34,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:34,398 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_238e25a2-758d-4823-92fd-c1e19bbbe745/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8190dbbeca15ebdc96e247bb91a06680a00a60089c25180495df59d4a11849af [2021-11-23 15:04:34,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:34,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:34,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:34,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:34,730 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:34,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c [2021-11-23 15:04:34,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/a617dafd9/6625a4031fa64269b6aed74918c6762d/FLAGf2370dc83 [2021-11-23 15:04:35,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:35,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c [2021-11-23 15:04:35,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/a617dafd9/6625a4031fa64269b6aed74918c6762d/FLAGf2370dc83 [2021-11-23 15:04:35,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/a617dafd9/6625a4031fa64269b6aed74918c6762d [2021-11-23 15:04:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:35,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:35,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:35,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:35,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:35,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:35,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3075abb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35, skipping insertion in model container [2021-11-23 15:04:35,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:35,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:35,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:36,122 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_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c[1545,1558] [2021-11-23 15:04:36,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:36,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:36,429 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_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c[1545,1558] [2021-11-23 15:04:36,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:36,636 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:36,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36 WrapperNode [2021-11-23 15:04:36,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:36,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:36,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:36,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:36,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,767 INFO L137 Inliner]: procedures = 88, calls = 328, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 754 [2021-11-23 15:04:36,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:36,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:36,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:36,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:36,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:36,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:36,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:36,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:36,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36" (1/1) ... [2021-11-23 15:04:36,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:36,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:36,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 15:04:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 15:04:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:04:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:04:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:04:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:04:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:04:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:04:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:04:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:04:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:04:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:04:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 15:04:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 15:04:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:04:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:04:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:04:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:04:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:04:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:04:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:04:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:04:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:04:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:04:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:04:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:04:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:04:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:04:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:04:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:04:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:04:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:04:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:04:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:04:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:04:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:04:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:04:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:04:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:04:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:04:37,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:37,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:38,195 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:38,263 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 15:04:38,269 INFO L158 Benchmark]: Toolchain (without parser) took 2436.62ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 58.3MB in the beginning and 67.7MB in the end (delta: -9.4MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:38,271 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:38,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.18ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 79.8MB in the end (delta: -21.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:38,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.76ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:38,274 INFO L158 Benchmark]: Boogie Preprocessor took 88.09ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 70.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:38,275 INFO L158 Benchmark]: RCFGBuilder took 1408.97ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:38,283 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 92.3MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.18ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 79.8MB in the end (delta: -21.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.76ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.09ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 70.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1408.97ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 35.9MB. 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 15:04:38,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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_238e25a2-758d-4823-92fd-c1e19bbbe745/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 8190dbbeca15ebdc96e247bb91a06680a00a60089c25180495df59d4a11849af --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:40,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:40,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:40,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:40,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:40,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:40,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:40,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:40,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:40,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:40,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:40,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:40,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:40,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:40,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:40,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:40,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:40,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:40,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:40,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:40,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:40,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:40,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:40,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:40,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:40,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:40,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:40,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:40,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:40,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:40,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:40,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:40,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:40,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:40,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:40,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:40,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:40,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:40,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:40,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:40,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:40,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:40,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:40,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:40,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:40,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:40,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:40,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:40,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:40,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:40,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:40,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:40,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:40,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:40,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:40,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:40,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:40,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:40,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:40,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:40,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:40,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:40,943 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:40,943 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:40,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:40,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:40,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:40,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:40,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:40,944 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:40,945 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:40,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:40,945 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:40,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:40,945 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_238e25a2-758d-4823-92fd-c1e19bbbe745/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8190dbbeca15ebdc96e247bb91a06680a00a60089c25180495df59d4a11849af [2021-11-23 15:04:41,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:41,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:41,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:41,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:41,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:41,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c [2021-11-23 15:04:41,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/7b2a20165/5201a126e2044ad899348a49e0e771eb/FLAG41246e465 [2021-11-23 15:04:42,003 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:42,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c [2021-11-23 15:04:42,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/7b2a20165/5201a126e2044ad899348a49e0e771eb/FLAG41246e465 [2021-11-23 15:04:42,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/data/7b2a20165/5201a126e2044ad899348a49e0e771eb [2021-11-23 15:04:42,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:42,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:42,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:42,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:42,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:42,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:42,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d77dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42, skipping insertion in model container [2021-11-23 15:04:42,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:42,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:42,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:42,533 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_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c[1545,1558] [2021-11-23 15:04:43,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,037 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:04:43,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:43,076 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_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c[1545,1558] [2021-11-23 15:04:43,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,254 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:43,270 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_238e25a2-758d-4823-92fd-c1e19bbbe745/sv-benchmarks/c/product-lines/elevator_spec2_product01.cil.c[1545,1558] [2021-11-23 15:04:43,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,436 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:43,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43 WrapperNode [2021-11-23 15:04:43,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:43,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:43,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:43,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:43,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,568 INFO L137 Inliner]: procedures = 90, calls = 328, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 714 [2021-11-23 15:04:43,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:43,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:43,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:43,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:43,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:43,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:43,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:43,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:43,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:43,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:43,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 15:04:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 15:04:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 15:04:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 15:04:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 15:04:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 15:04:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 15:04:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 15:04:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 15:04:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 15:04:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 15:04:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 15:04:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 15:04:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 15:04:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 15:04:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 15:04:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 15:04:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 15:04:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 15:04:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 15:04:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 15:04:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 15:04:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 15:04:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 15:04:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 15:04:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 15:04:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 15:04:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 15:04:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 15:04:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 15:04:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 15:04:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 15:04:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 15:04:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 15:04:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 15:04:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 15:04:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 15:04:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 15:04:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 15:04:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 15:04:44,027 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:44,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:45,283 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:45,333 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 15:04:45,337 INFO L158 Benchmark]: Toolchain (without parser) took 3080.83ms. Allocated memory was 56.6MB in the beginning and 100.7MB in the end (delta: 44.0MB). Free memory was 31.8MB in the beginning and 53.0MB in the end (delta: -21.2MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,338 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:45,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.89ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 41.7MB in the end (delta: -10.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.64ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 37.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,340 INFO L158 Benchmark]: Boogie Preprocessor took 95.23ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 32.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,341 INFO L158 Benchmark]: RCFGBuilder took 1656.35ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 32.4MB in the beginning and 53.0MB in the end (delta: -20.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.89ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 41.7MB in the end (delta: -10.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.64ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 37.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.23ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 32.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1656.35ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 32.4MB in the beginning and 53.0MB in the end (delta: -20.6MB). Peak memory consumption was 18.7MB. 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 15:04:45,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e25a2-758d-4823-92fd-c1e19bbbe745/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