./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/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_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:34,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:34,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:34,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:34,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:34,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:34,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:34,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:34,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:34,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:34,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:34,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:34,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:34,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:34,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:34,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:34,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:34,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:34,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:34,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:34,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:34,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:34,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:34,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:34,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:34,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:34,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:34,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:34,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:34,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:34,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:34,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:34,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:34,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:34,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:34,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:34,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:34,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:34,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:34,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:34,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:34,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:04:34,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:34,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:34,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:34,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:34,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:34,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:34,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:34,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:34,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:34,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:34,342 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:34,342 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:34,343 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:34,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:34,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:34,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:34,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:34,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:34,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:34,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:34,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:34,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:34,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:34,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:34,345 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_13260e5e-81aa-40c8-bb1f-a000da178949/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 [2021-11-23 15:04:34,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:34,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:34,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:34,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:34,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:34,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 15:04:34,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/a946f2807/e7fdb14878914e659fe1daac5bb8da56/FLAGf8ac8217d [2021-11-23 15:04:35,464 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:35,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 15:04:35,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/a946f2807/e7fdb14878914e659fe1daac5bb8da56/FLAGf8ac8217d [2021-11-23 15:04:35,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/a946f2807/e7fdb14878914e659fe1daac5bb8da56 [2021-11-23 15:04:35,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:35,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:35,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:35,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:35,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:35,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:35,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1476356b 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 15:04:35,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:35,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:35,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:36,247 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_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 15:04:36,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:36,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:36,310 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_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 15:04:36,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:36,352 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:36 WrapperNode [2021-11-23 15:04:36,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:36,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:36,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:36,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:36,364 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 15:04:36,404 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 15:04:36,436 INFO L137 Inliner]: procedures = 125, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 90 [2021-11-23 15:04:36,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:36,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:36,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:36,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:36,447 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 15:04:36,448 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 15:04:36,451 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 15:04:36,451 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 15:04:36,459 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 15:04:36,464 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 15:04:36,466 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 15:04:36,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:36,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:36,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:36,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:36,472 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 15:04:36,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:36,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:36,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:36,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:36,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:36,690 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:36,694 INFO L158 Benchmark]: Toolchain (without parser) took 997.54ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.6MB). Peak memory consumption was 174.1kB. Max. memory is 16.1GB. [2021-11-23 15:04:36,695 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:36,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.89ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 76.8MB in the end (delta: -8.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:36,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.15ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:36,697 INFO L158 Benchmark]: Boogie Preprocessor took 32.47ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:36,698 INFO L158 Benchmark]: RCFGBuilder took 221.94ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 65.9MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:36,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.89ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 76.8MB in the end (delta: -8.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.15ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.47ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 221.94ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 65.9MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. 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 15:04:36,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/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_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/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_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:39,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:39,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:39,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:39,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:39,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:39,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:39,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:39,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:39,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:39,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:39,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:39,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:39,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:39,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:39,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:39,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:39,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:39,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:39,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:39,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:39,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:39,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:39,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:39,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:39,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:39,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:39,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:39,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:39,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:39,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:39,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:39,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:39,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:39,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:39,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:39,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:39,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:39,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:39,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:39,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:39,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:39,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:39,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:39,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:39,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:39,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:39,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:39,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:39,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:39,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:39,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:39,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:39,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:39,601 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:39,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:39,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:39,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:39,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:39,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:39,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:39,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:39,603 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:39,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:39,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:39,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:39,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:39,605 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:39,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:39,605 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:39,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:39,606 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_13260e5e-81aa-40c8-bb1f-a000da178949/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 [2021-11-23 15:04:40,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:40,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:40,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:40,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:40,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:40,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 15:04:40,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/c9c69c167/5f7258bdfc4e4ae7ad9f5b6aa1dfeaa4/FLAGddab99e3e [2021-11-23 15:04:40,879 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:40,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 15:04:40,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/c9c69c167/5f7258bdfc4e4ae7ad9f5b6aa1dfeaa4/FLAGddab99e3e [2021-11-23 15:04:41,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/data/c9c69c167/5f7258bdfc4e4ae7ad9f5b6aa1dfeaa4 [2021-11-23 15:04:41,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:41,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:41,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:41,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:41,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:41,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6c3a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41, skipping insertion in model container [2021-11-23 15:04:41,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:41,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:41,690 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_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 15:04:41,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:41,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:41,800 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_13260e5e-81aa-40c8-bb1f-a000da178949/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 15:04:41,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:41,859 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:41,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41 WrapperNode [2021-11-23 15:04:41,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:41,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:41,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:41,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:41,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,945 INFO L137 Inliner]: procedures = 126, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 84 [2021-11-23 15:04:41,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:41,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:41,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:41,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:41,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:41,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:41,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:41,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:41,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:42,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:42,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:42,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:42,204 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:42,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:42,228 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:42,244 INFO L158 Benchmark]: Toolchain (without parser) took 1026.33ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 51.7MB in the end (delta: -18.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,244 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:42,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.92ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 53.8kB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.63ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 30.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,248 INFO L158 Benchmark]: Boogie Preprocessor took 38.31ms. Allocated memory is still 56.6MB. Free memory was 30.8MB in the beginning and 29.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,249 INFO L158 Benchmark]: RCFGBuilder took 255.82ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 51.7MB in the end (delta: -22.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.92ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 53.8kB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.63ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 30.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.31ms. Allocated memory is still 56.6MB. Free memory was 30.8MB in the beginning and 29.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.82ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 51.7MB in the end (delta: -22.4MB). Peak memory consumption was 7.9MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:42,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13260e5e-81aa-40c8-bb1f-a000da178949/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