./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_equal.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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:21,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:21,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:21,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:21,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:21,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:21,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:21,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:21,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:21,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:21,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:21,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:21,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:21,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:21,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:21,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:21,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:21,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:21,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:21,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:21,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:21,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:21,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:21,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:21,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:21,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:21,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:21,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:21,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:21,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:21,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:21,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:21,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:21,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:21,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:21,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:21,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:21,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:21,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:21,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:21,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:21,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:37:21,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:21,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:21,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:21,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:21,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:21,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:21,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:37:21,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:21,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:21,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:21,761 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:37:21,767 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:37:21,768 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:37:21,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:21,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:21,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:21,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:21,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:21,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:21,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:21,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:21,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:21,770 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:21,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:21,770 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 [2021-11-23 15:37:22,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:22,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:22,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:22,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:22,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:22,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-23 15:37:22,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/a7fb77bb7/7ad3460523f944c88a1b9429e98524f3/FLAG2a053012c [2021-11-23 15:37:22,692 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:22,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-23 15:37:22,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/a7fb77bb7/7ad3460523f944c88a1b9429e98524f3/FLAG2a053012c [2021-11-23 15:37:23,005 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/a7fb77bb7/7ad3460523f944c88a1b9429e98524f3 [2021-11-23 15:37:23,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:23,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:23,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:23,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:23,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:23,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b78158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23, skipping insertion in model container [2021-11-23 15:37:23,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:23,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:23,440 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-23 15:37:23,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:23,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:23,520 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-23 15:37:23,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:23,557 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:23,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23 WrapperNode [2021-11-23 15:37:23,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:23,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:23,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:23,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:23,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,639 INFO L137 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 135 [2021-11-23 15:37:23,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:23,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:23,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:23,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:23,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:23,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:23,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:23,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:23,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:23,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:23,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:23,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:37:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:37:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:37:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:23,849 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:23,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:23,871 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:23,875 INFO L158 Benchmark]: Toolchain (without parser) took 865.11ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 84.5MB in the end (delta: 11.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:37:23,876 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 88.1MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:23,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.27ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 96.7MB in the end (delta: -1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:37:23,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 94.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:23,878 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 92.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:23,879 INFO L158 Benchmark]: RCFGBuilder took 200.20ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 84.5MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:23,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 88.1MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.27ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 96.7MB in the end (delta: -1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 94.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 92.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 200.20ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 84.5MB in the end (delta: 7.7MB). 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 15:37:23,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:26,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:26,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:26,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:26,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:26,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:26,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:26,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:26,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:26,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:26,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:26,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:26,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:26,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:26,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:26,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:26,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:26,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:26,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:26,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:26,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:26,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:26,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:26,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:26,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:26,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:26,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:26,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:26,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:26,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:26,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:26,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:26,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:26,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:26,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:26,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:26,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:26,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:26,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:26,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:26,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:26,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:37:26,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:26,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:26,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:26,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:26,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:26,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:26,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:37:26,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:26,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:26,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:26,324 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:37:26,324 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:37:26,324 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:37:26,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:26,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:37:26,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:37:26,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:37:26,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:26,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:26,326 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:26,326 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:26,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:26,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:26,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:26,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:26,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:37:26,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:37:26,328 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:37:26,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:37:26,328 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 [2021-11-23 15:37:26,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:26,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:26,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:26,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:26,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:26,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-23 15:37:26,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/1ec54e6ac/8750f9e226bd4ebeac0f65c79b478f37/FLAGadadb94ae [2021-11-23 15:37:27,375 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:27,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-23 15:37:27,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/1ec54e6ac/8750f9e226bd4ebeac0f65c79b478f37/FLAGadadb94ae [2021-11-23 15:37:27,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/data/1ec54e6ac/8750f9e226bd4ebeac0f65c79b478f37 [2021-11-23 15:37:27,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:27,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:27,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:27,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:27,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:27,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:27" (1/1) ... [2021-11-23 15:37:27,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeb14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27, skipping insertion in model container [2021-11-23 15:37:27,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:27" (1/1) ... [2021-11-23 15:37:27,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:27,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:28,054 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-23 15:37:28,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:28,079 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:28,149 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_b5c018b7-be65-4203-a8e1-f616ff7c41dd/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-23 15:37:28,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:28,198 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:28,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28 WrapperNode [2021-11-23 15:37:28,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:28,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:28,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:28,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:28,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,267 INFO L137 Inliner]: procedures = 130, calls = 32, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 136 [2021-11-23 15:37:28,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:28,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:28,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:28,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:28,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:28,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:28,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:28,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:28,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:28,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:28,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:28,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:37:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:37:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:37:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:37:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:28,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:28,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:28,640 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:28,654 INFO L158 Benchmark]: Toolchain (without parser) took 1023.50ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.5MB in the beginning and 53.2MB in the end (delta: -15.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:28,655 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:28,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.70ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 36.2MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:37:28,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.73ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 33.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:28,658 INFO L158 Benchmark]: Boogie Preprocessor took 70.32ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:28,659 INFO L158 Benchmark]: RCFGBuilder took 313.26ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 53.2MB in the end (delta: -21.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:28,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.70ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 36.2MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.73ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 33.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.32ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.26ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 53.2MB in the end (delta: -21.4MB). Peak memory consumption was 10.5MB. 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 15:37:28,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c018b7-be65-4203-a8e1-f616ff7c41dd/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