./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list-1.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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:12,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:12,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:12,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:13,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:13,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:13,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:13,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:13,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:13,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:13,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:13,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:13,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:13,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:13,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:13,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:13,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:13,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:13,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:13,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:13,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:13,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:13,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:13,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:13,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:13,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:13,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:13,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:13,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:13,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:13,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:13,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:13,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:13,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:13,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:13,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:13,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:13,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:13,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:13,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:13,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:13,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:40:13,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:13,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:13,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:13,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:13,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:13,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:13,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:40:13,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:13,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:13,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:13,185 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:40:13,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:40:13,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:40:13,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:13,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:13,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:13,187 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:13,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:13,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:13,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:13,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:13,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:13,189 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:13,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:13,190 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2021-11-23 15:40:13,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:13,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:13,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:13,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:13,624 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:13,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/list-1.i [2021-11-23 15:40:13,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/973302f04/3ba2d3535d494ac297a652be1348f546/FLAG19754fa3c [2021-11-23 15:40:14,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:14,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i [2021-11-23 15:40:14,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/973302f04/3ba2d3535d494ac297a652be1348f546/FLAG19754fa3c [2021-11-23 15:40:14,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/973302f04/3ba2d3535d494ac297a652be1348f546 [2021-11-23 15:40:14,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:14,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:14,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:14,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:14,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:14,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:14" (1/1) ... [2021-11-23 15:40:14,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac7a43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:14, skipping insertion in model container [2021-11-23 15:40:14,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:14" (1/1) ... [2021-11-23 15:40:14,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:14,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:15,301 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2021-11-23 15:40:15,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:15,320 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:15,402 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2021-11-23 15:40:15,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:15,441 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:15,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15 WrapperNode [2021-11-23 15:40:15,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:15,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:15,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:15,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:15,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,499 INFO L137 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2021-11-23 15:40:15,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:15,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:15,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:15,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:15,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:15,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:15,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:15,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:15,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:15,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:15,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:15,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:40:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:40:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:15,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:15,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:15,918 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:40:15,922 INFO L158 Benchmark]: Toolchain (without parser) took 1145.54ms. Allocated memory is still 96.5MB. Free memory was 62.2MB in the beginning and 54.9MB in the end (delta: 7.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:15,923 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:15,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.87ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 65.5MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:40:15,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.56ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 63.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:15,926 INFO L158 Benchmark]: Boogie Preprocessor took 64.05ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:15,927 INFO L158 Benchmark]: RCFGBuilder took 354.45ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 54.9MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:15,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.87ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 65.5MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.56ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 63.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.05ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.45ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 54.9MB in the end (delta: 7.2MB). 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 15:40:15,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:18,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:18,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:19,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:19,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:19,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:19,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:19,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:19,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:19,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:19,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:19,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:19,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:19,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:19,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:19,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:19,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:19,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:19,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:19,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:19,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:19,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:19,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:19,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:19,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:19,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:19,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:19,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:19,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:19,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:19,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:19,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:19,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:19,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:19,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:19,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:19,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:19,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:19,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:19,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:19,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:19,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:19,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:19,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:19,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:19,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:19,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:19,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:19,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:40:19,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:19,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:19,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:19,171 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:40:19,171 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:40:19,172 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:40:19,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:19,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:19,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:19,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:19,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:19,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:19,174 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:19,174 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:19,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:19,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:19,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:19,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:19,175 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:19,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:19,176 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:19,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:19,176 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2021-11-23 15:40:19,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:19,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:19,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:19,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:19,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:19,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/list-1.i [2021-11-23 15:40:19,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/b08c073b8/a3bc7552ca374b51b5cbc4212dc687f3/FLAG58c305e37 [2021-11-23 15:40:20,495 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:20,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i [2021-11-23 15:40:20,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/b08c073b8/a3bc7552ca374b51b5cbc4212dc687f3/FLAG58c305e37 [2021-11-23 15:40:20,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/data/b08c073b8/a3bc7552ca374b51b5cbc4212dc687f3 [2021-11-23 15:40:20,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:20,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:20,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:20,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:20,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:20,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f403df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20, skipping insertion in model container [2021-11-23 15:40:20,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:20,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:21,328 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2021-11-23 15:40:21,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:21,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:21,432 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_7f43ea7a-de83-4f49-80fc-2a6112948bf2/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2021-11-23 15:40:21,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:21,481 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:21,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21 WrapperNode [2021-11-23 15:40:21,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:21,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:21,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:21,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:21,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,545 INFO L137 Inliner]: procedures = 127, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2021-11-23 15:40:21,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:21,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:21,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:21,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:21,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:21,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:21,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:21,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:21,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:21,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:21,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:21,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:40:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:40:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:40:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:40:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:21,906 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:21,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:21,935 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:40:21,940 INFO L158 Benchmark]: Toolchain (without parser) took 1143.17ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 52.9MB in the end (delta: -15.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,941 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:21,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.56ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 36.6MB in the end (delta: 904.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 34.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:21,945 INFO L158 Benchmark]: Boogie Preprocessor took 44.89ms. Allocated memory is still 60.8MB. Free memory was 34.5MB in the beginning and 32.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,946 INFO L158 Benchmark]: RCFGBuilder took 346.04ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 52.9MB in the end (delta: -20.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.56ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 36.6MB in the end (delta: 904.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 34.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.89ms. Allocated memory is still 60.8MB. Free memory was 34.5MB in the beginning and 32.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 346.04ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 52.9MB in the end (delta: -20.0MB). Peak memory consumption was 8.3MB. 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 15:40:22,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f43ea7a-de83-4f49-80fc-2a6112948bf2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable