./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext.i --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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:43,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:43,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:43,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:43,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:43,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:43,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:43,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:43,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:43,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:43,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:43,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:43,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:43,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:43,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:43,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:43,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:43,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:43,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:43,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:43,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:43,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:43,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:43,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:43,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:43,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:43,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:43,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:43,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:43,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:43,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:43,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:43,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:43,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:43,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:43,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:43,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:43,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:43,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:43,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:43,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:43,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:43,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:43,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:43,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:43,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:43,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:43,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:43,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:43,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:43,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:43,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:43,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:43,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:43,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:43,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:43,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:43,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:43,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:43,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:43,525 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:43,526 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:43,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:43,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:43,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:43,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:43,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:43,527 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:43,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:43,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:43,528 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2021-11-23 15:01:43,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:43,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:43,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:43,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:43,785 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:43,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext-properties/list-ext.i [2021-11-23 15:01:43,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/5ecf1b23c/24548492d9ee46bb9932155150d449db/FLAG496cabd5a [2021-11-23 15:01:44,462 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:44,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i [2021-11-23 15:01:44,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/5ecf1b23c/24548492d9ee46bb9932155150d449db/FLAG496cabd5a [2021-11-23 15:01:44,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/5ecf1b23c/24548492d9ee46bb9932155150d449db [2021-11-23 15:01:44,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:44,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:44,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:44,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:44,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:44,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a40680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44, skipping insertion in model container [2021-11-23 15:01:44,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:44,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:45,236 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i[23551,23564] [2021-11-23 15:01:45,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,248 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:45,286 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i[23551,23564] [2021-11-23 15:01:45,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,316 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:45,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45 WrapperNode [2021-11-23 15:01:45,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:45,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:45,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:45,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,363 INFO L137 Inliner]: procedures = 124, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 122 [2021-11-23 15:01:45,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:45,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:45,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:45,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:45,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:45,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:45,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:45,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:45,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:45,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:01:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:01:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:45,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:45,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:45,612 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:45,616 INFO L158 Benchmark]: Toolchain (without parser) took 815.71ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 90.3MB in the end (delta: 8.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:45,617 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:45,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.60ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 101.2MB in the end (delta: -2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:45,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.56ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:45,619 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 97.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:45,620 INFO L158 Benchmark]: RCFGBuilder took 218.91ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 90.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:45,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.60ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 101.2MB in the end (delta: -2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.56ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 97.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 218.91ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 90.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:45,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:48,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:48,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:48,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:48,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:48,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:48,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:48,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:48,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:48,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:48,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:48,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:48,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:48,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:48,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:48,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:48,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:48,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:48,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:48,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:48,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:48,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:48,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:48,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:48,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:48,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:48,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:48,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:48,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:48,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:48,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:48,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:48,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:48,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:48,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:48,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:48,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:48,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:48,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:48,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:48,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:48,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:48,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:48,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:48,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:48,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:48,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:48,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:48,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:48,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:48,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:48,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:48,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:48,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:48,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:48,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:48,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:48,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:48,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:48,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:48,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:48,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:48,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:48,406 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:48,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:48,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:48,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:48,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:48,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:48,407 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:48,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:48,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:48,408 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:48,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:48,408 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2021-11-23 15:01:48,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:48,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:48,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:48,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:48,791 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:48,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext-properties/list-ext.i [2021-11-23 15:01:48,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/412c950de/ef20b910abcf488bb49030adec9920ee/FLAG942e2fb0f [2021-11-23 15:01:49,533 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:49,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i [2021-11-23 15:01:49,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/412c950de/ef20b910abcf488bb49030adec9920ee/FLAG942e2fb0f [2021-11-23 15:01:49,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/data/412c950de/ef20b910abcf488bb49030adec9920ee [2021-11-23 15:01:49,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:49,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:49,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:49,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:49,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:49,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49187b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49, skipping insertion in model container [2021-11-23 15:01:49,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:49,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:50,257 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i[23551,23564] [2021-11-23 15:01:50,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:50,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:50,375 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_7267f5f2-526c-4650-8ade-5d791bd0dbc1/sv-benchmarks/c/list-ext-properties/list-ext.i[23551,23564] [2021-11-23 15:01:50,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:50,423 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:50,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50 WrapperNode [2021-11-23 15:01:50,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:50,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:50,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:50,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:50,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,513 INFO L137 Inliner]: procedures = 127, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 111 [2021-11-23 15:01:50,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:50,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:50,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:50,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:50,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:50,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:50,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:50,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:50,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:50,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:50,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:01:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:01:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:01:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:50,855 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:50,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:50,882 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:50,886 INFO L158 Benchmark]: Toolchain (without parser) took 1085.44ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 36.8MB in the end (delta: 10.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,898 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:50,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.10ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 47.8MB in the end (delta: -627.3kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.90ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 45.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,900 INFO L158 Benchmark]: Boogie Preprocessor took 72.31ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,901 INFO L158 Benchmark]: RCFGBuilder took 296.63ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 36.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.10ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 47.8MB in the end (delta: -627.3kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.90ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 45.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.31ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.63ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 36.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:50,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7267f5f2-526c-4650-8ade-5d791bd0dbc1/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