./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_append_unequal.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_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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_6ccc9669-e994-44b2-8db8-c3090a025823/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 d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:25,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:25,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:25,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:25,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:25,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:25,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:25,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:25,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:25,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:25,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:25,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:25,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:25,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:25,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:25,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:25,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:25,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:25,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:25,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:25,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:25,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:25,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:25,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:25,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:25,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:25,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:25,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:25,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:25,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:25,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:25,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:25,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:25,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:25,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:25,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:25,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:25,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:25,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:25,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:25,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:25,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:49:25,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:25,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:25,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:25,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:25,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:25,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:25,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:49:25,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:25,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:25,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:25,428 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:49:25,428 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:49:25,428 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:49:25,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:25,429 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:25,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:25,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:25,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:25,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:25,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:25,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:25,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:25,430 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:25,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:25,431 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_6ccc9669-e994-44b2-8db8-c3090a025823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 [2021-11-23 15:49:25,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:25,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:25,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:25,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:25,753 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:25,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 15:49:25,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/2c476819e/3a3347877d314a7b8af80fa6580c7228/FLAGbad85f00c [2021-11-23 15:49:26,394 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:26,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 15:49:26,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/2c476819e/3a3347877d314a7b8af80fa6580c7228/FLAGbad85f00c [2021-11-23 15:49:26,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/2c476819e/3a3347877d314a7b8af80fa6580c7228 [2021-11-23 15:49:26,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:26,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:26,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:26,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:26,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:26,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a39dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26, skipping insertion in model container [2021-11-23 15:49:26,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:26,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:27,192 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_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 15:49:27,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:27,213 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:27,287 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_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 15:49:27,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:27,325 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:27,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27 WrapperNode [2021-11-23 15:49:27,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:27,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:27,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:27,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:27,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,406 INFO L137 Inliner]: procedures = 127, calls = 46, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 190 [2021-11-23 15:49:27,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:27,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:27,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:27,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:27,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:27,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:27,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:27,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:27,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:27" (1/1) ... [2021-11-23 15:49:27,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:27,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:27,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:27,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:49:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:49:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:27,719 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:27,721 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:27,783 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:49:27,788 INFO L158 Benchmark]: Toolchain (without parser) took 1099.05ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 63.6MB in the end (delta: 10.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:27,788 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:27,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.54ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 76.4MB in the end (delta: -2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:27,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.65ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 74.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:27,791 INFO L158 Benchmark]: Boogie Preprocessor took 68.98ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:27,792 INFO L158 Benchmark]: RCFGBuilder took 307.82ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 63.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:27,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.54ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 76.4MB in the end (delta: -2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.65ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 74.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.98ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.82ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 63.6MB in the end (delta: 8.4MB). 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 15:49:27,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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_6ccc9669-e994-44b2-8db8-c3090a025823/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 d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:30,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:30,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:30,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:30,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:30,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:30,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:30,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:30,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:30,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:30,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:30,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:30,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:30,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:30,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:30,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:30,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:30,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:30,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:30,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:30,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:30,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:30,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:30,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:30,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:30,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:30,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:30,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:30,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:30,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:30,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:30,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:30,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:30,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:30,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:30,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:30,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:30,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:30,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:30,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:30,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:30,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:30,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:30,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:30,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:30,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:30,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:30,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:30,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:49:30,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:30,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:30,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:30,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:49:30,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:49:30,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:49:30,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:30,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:30,418 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:30,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:30,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:30,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:30,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:30,419 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:30,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:30,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:30,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:30,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:30,420 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:30,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:30,421 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:30,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:30,421 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_6ccc9669-e994-44b2-8db8-c3090a025823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 [2021-11-23 15:49:30,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:30,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:30,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:30,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:30,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:30,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 15:49:30,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/9b5ebf0de/4c9669b6832744ffaaa6110f4efdefe7/FLAG4f1004dc3 [2021-11-23 15:49:31,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:31,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 15:49:31,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/9b5ebf0de/4c9669b6832744ffaaa6110f4efdefe7/FLAG4f1004dc3 [2021-11-23 15:49:31,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/data/9b5ebf0de/4c9669b6832744ffaaa6110f4efdefe7 [2021-11-23 15:49:31,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:31,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:31,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:31,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:31,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:31,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:31" (1/1) ... [2021-11-23 15:49:31,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f858f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:31, skipping insertion in model container [2021-11-23 15:49:31,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:31" (1/1) ... [2021-11-23 15:49:31,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:31,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:32,146 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_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 15:49:32,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:32,160 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:32,227 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_6ccc9669-e994-44b2-8db8-c3090a025823/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 15:49:32,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:32,276 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:32,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32 WrapperNode [2021-11-23 15:49:32,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:32,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:32,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:32,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:32,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,362 INFO L137 Inliner]: procedures = 130, calls = 46, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 191 [2021-11-23 15:49:32,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:32,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:32,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:32,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:32,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:32,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:32,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:32,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:32,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:32" (1/1) ... [2021-11-23 15:49:32,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:32,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:32,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:32,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:49:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:49:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:49:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:49:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:49:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:32,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:32,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:32,743 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:49:32,747 INFO L158 Benchmark]: Toolchain (without parser) took 970.42ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 44.2MB in the beginning and 67.9MB in the end (delta: -23.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:32,747 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:32,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.91ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 39.9MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:49:32,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 37.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:49:32,750 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:32,751 INFO L158 Benchmark]: RCFGBuilder took 343.74ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 67.9MB in the end (delta: -32.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:32,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.91ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 39.9MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 37.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.74ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 67.9MB in the end (delta: -32.9MB). Peak memory consumption was 8.8MB. 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 15:49:32,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccc9669-e994-44b2-8db8-c3090a025823/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