./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all.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_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/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_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/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_89046894-540c-4cb7-89ca-9dae8fd0a605/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 e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:25,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:25,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:25,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:25,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:25,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:25,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:25,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:25,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:25,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:25,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:25,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:25,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:25,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:25,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:25,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:25,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:25,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:25,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:25,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:25,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:25,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:25,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:25,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:25,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:25,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:25,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:25,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:25,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:25,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:25,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:25,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:25,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:25,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:25,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:25,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:25,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:25,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:25,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:25,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:25,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:25,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:46:25,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:25,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:25,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:25,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:25,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:25,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:25,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:46:25,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:25,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:25,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:25,914 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:46:25,914 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:46:25,914 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:46:25,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:25,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:25,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:25,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:25,915 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:25,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:25,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:25,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:25,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:25,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:25,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:25,917 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_89046894-540c-4cb7-89ca-9dae8fd0a605/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 [2021-11-23 15:46:26,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:26,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:26,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:26,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:26,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:26,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-11-23 15:46:26,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/1e8cb7faa/cfa9d5c02bdf401280ae1b04c33a0dcf/FLAGfb09e89eb [2021-11-23 15:46:26,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:26,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-11-23 15:46:26,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/1e8cb7faa/cfa9d5c02bdf401280ae1b04c33a0dcf/FLAGfb09e89eb [2021-11-23 15:46:27,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/1e8cb7faa/cfa9d5c02bdf401280ae1b04c33a0dcf [2021-11-23 15:46:27,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:27,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:27,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:27,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:27,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:27,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aebe43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27, skipping insertion in model container [2021-11-23 15:46:27,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:27,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:27,590 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_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-11-23 15:46:27,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:27,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:27,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-11-23 15:46:27,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:27,699 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:27,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27 WrapperNode [2021-11-23 15:46:27,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:27,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:27,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:27,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:27,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,771 INFO L137 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 146 [2021-11-23 15:46:27,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:27,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:27,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:27,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:27,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:27,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:27,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:27,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:27,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:27" (1/1) ... [2021-11-23 15:46:27,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:27,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:27,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:46:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:46:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:46:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:46:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:28,065 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:28,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:28,102 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:46:28,114 INFO L158 Benchmark]: Toolchain (without parser) took 959.47ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 56.0MB in the end (delta: 5.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2021-11-23 15:46:28,122 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:28,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.79ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 67.8MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:28,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.11ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:28,125 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 64.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:28,126 INFO L158 Benchmark]: RCFGBuilder took 302.92ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 56.0MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:46:28,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.79ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 67.8MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.11ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 64.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.92ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 56.0MB in the end (delta: 7.9MB). 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 15:46:28,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/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_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/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_89046894-540c-4cb7-89ca-9dae8fd0a605/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 e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:30,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:30,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:30,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:30,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:30,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:30,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:30,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:30,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:30,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:30,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:30,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:30,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:30,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:30,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:30,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:30,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:30,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:30,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:30,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:30,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:30,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:30,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:30,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:30,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:30,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:30,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:30,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:30,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:30,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:30,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:30,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:30,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:30,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:30,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:30,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:30,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:30,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:30,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:30,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:30,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:30,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:30,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:30,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:30,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:30,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:30,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:30,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:30,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:46:30,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:30,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:30,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:30,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:46:30,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:46:30,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:46:30,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:30,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:30,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:30,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:30,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:30,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:30,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:30,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:30,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:30,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:30,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:30,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:30,696 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:30,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:30,696 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:30,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:30,697 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_89046894-540c-4cb7-89ca-9dae8fd0a605/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 [2021-11-23 15:46:31,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:31,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:31,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:31,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:31,072 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:31,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-11-23 15:46:31,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/797b54401/ecb168e0b42f4ea781e3ef46de11ecfb/FLAG3f2bebe0c [2021-11-23 15:46:31,754 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:31,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-11-23 15:46:31,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/797b54401/ecb168e0b42f4ea781e3ef46de11ecfb/FLAG3f2bebe0c [2021-11-23 15:46:32,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/data/797b54401/ecb168e0b42f4ea781e3ef46de11ecfb [2021-11-23 15:46:32,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:32,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:32,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:32,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:32,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:32,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e64cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32, skipping insertion in model container [2021-11-23 15:46:32,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:32,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:32,479 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_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-11-23 15:46:32,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:32,494 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:32,539 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_89046894-540c-4cb7-89ca-9dae8fd0a605/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-11-23 15:46:32,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:32,577 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:32,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32 WrapperNode [2021-11-23 15:46:32,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:32,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:32,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:32,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:32,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,634 INFO L137 Inliner]: procedures = 129, calls = 26, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 146 [2021-11-23 15:46:32,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:32,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:32,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:32,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:32,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:32,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:32,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:32,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:32,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:32" (1/1) ... [2021-11-23 15:46:32,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:32,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:32,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:46:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:46:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:46:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:46:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:32,973 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:32,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:33,020 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:46:33,024 INFO L158 Benchmark]: Toolchain (without parser) took 995.32ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 25.7MB in the end (delta: 18.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-23 15:46:33,025 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:33,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.58ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 37.9MB in the end (delta: 6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:33,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.43ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:33,037 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:33,039 INFO L158 Benchmark]: RCFGBuilder took 338.93ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 25.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:33,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.58ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 37.9MB in the end (delta: 6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.43ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.93ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 25.7MB in the end (delta: 7.8MB). 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 15:46:33,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89046894-540c-4cb7-89ca-9dae8fd0a605/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