./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:51,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:51,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:51,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:51,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:51,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:51,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:51,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:51,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:51,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:51,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:51,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:51,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:51,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:51,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:51,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:51,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:51,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:51,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:51,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:51,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:51,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:51,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:51,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:51,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:51,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:51,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:51,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:51,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:51,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:51,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:51,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:51,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:51,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:51,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:51,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:51,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:51,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:51,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:51,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:51,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:51,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:04:51,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:51,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:51,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:51,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:51,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:51,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:51,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:51,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:51,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:51,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:51,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:51,726 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:51,726 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:51,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:51,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:51,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:51,727 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:51,727 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:51,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:51,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:51,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:51,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:51,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:51,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:51,729 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e [2021-11-23 15:04:52,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:52,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:52,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:52,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:52,048 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:52,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 15:04:52,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/11e17ef08/d073a4cf46cf42e980020570044c170b/FLAG21fa6ae77 [2021-11-23 15:04:52,739 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:52,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 15:04:52,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/11e17ef08/d073a4cf46cf42e980020570044c170b/FLAG21fa6ae77 [2021-11-23 15:04:53,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/11e17ef08/d073a4cf46cf42e980020570044c170b [2021-11-23 15:04:53,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:53,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:53,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:53,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:53,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:53,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480876a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53, skipping insertion in model container [2021-11-23 15:04:53,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:53,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:53,399 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 15:04:53,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:53,415 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:53,468 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 15:04:53,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:53,501 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:53,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53 WrapperNode [2021-11-23 15:04:53,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:53,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:53,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:53,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:53,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,552 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2021-11-23 15:04:53,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:53,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:53,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:53,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:53,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:53,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:53,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:53,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:53,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:53,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:53,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:53,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:53,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:54,392 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:54,432 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:54,436 INFO L158 Benchmark]: Toolchain (without parser) took 1415.46ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 56.9MB in the end (delta: -1.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:54,436 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:54,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.31ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 62.5MB in the end (delta: -7.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:54,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.73ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 60.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:54,439 INFO L158 Benchmark]: Boogie Preprocessor took 36.54ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:54,440 INFO L158 Benchmark]: RCFGBuilder took 843.26ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.9MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:54,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.31ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 62.5MB in the end (delta: -7.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.73ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 60.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.54ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 843.26ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.9MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:54,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:57,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:57,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:57,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:57,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:57,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:57,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:57,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:57,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:57,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:57,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:57,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:57,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:57,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:57,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:57,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:57,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:57,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:57,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:57,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:57,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:57,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:57,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:57,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:57,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:57,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:57,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:57,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:57,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:57,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:57,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:57,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:57,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:57,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:57,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:57,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:57,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:57,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:57,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:57,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:57,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:57,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:57,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:57,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:57,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:57,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:57,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:57,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:57,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:57,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:57,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:57,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:57,267 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:57,267 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:57,267 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:57,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:57,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:57,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:57,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:57,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:57,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:57,269 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:57,269 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:57,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:57,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:57,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:57,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:57,270 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:57,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:57,270 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:57,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:57,271 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e [2021-11-23 15:04:57,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:57,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:57,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:57,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:57,693 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:57,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 15:04:57,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/acda8038e/09eaee5cf32d4394b1e1c1f228d89243/FLAG7135d059b [2021-11-23 15:04:58,307 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:58,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 15:04:58,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/acda8038e/09eaee5cf32d4394b1e1c1f228d89243/FLAG7135d059b [2021-11-23 15:04:58,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/data/acda8038e/09eaee5cf32d4394b1e1c1f228d89243 [2021-11-23 15:04:58,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:58,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:58,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:58,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:58,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b375c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58, skipping insertion in model container [2021-11-23 15:04:58,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:58,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:59,165 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 15:04:59,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:59,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:59,282 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_f71cb46b-2bf4-46d1-96cd-7b7409a75300/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 15:04:59,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:59,331 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:59,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59 WrapperNode [2021-11-23 15:04:59,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:59,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:59,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:59,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:59,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,413 INFO L137 Inliner]: procedures = 122, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2021-11-23 15:04:59,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:59,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:59,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:59,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:59,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:59,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:59,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:59,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:59,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:59,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:59,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:59,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:59,704 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:59,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:00,390 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:00,428 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:00,431 INFO L158 Benchmark]: Toolchain (without parser) took 1816.41ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 31.4MB in the end (delta: 16.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:00,453 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:00,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.09ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 43.5MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:00,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.54ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 41.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:00,456 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:00,457 INFO L158 Benchmark]: RCFGBuilder took 968.62ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 31.4MB in the end (delta: 7.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:00,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.09ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 43.5MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.54ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 41.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 968.62ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 31.4MB in the end (delta: 7.9MB). Peak memory consumption was 10.3MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:00,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71cb46b-2bf4-46d1-96cd-7b7409a75300/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