./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.3.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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:12,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:12,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:12,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:12,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:12,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:12,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:12,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:12,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:12,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:12,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:12,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:12,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:12,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:12,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:12,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:12,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:12,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:12,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:12,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:12,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:12,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:12,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:12,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:12,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:12,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:12,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:12,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:12,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:12,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:12,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:12,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:12,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:12,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:12,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:12,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:12,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:12,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:12,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:12,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:12,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:12,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:05:12,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:12,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:12,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:12,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:12,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:12,854 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:12,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:12,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:12,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:12,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:12,856 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:05:12,856 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:05:12,857 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:05:12,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:12,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:12,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:12,858 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:12,858 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:12,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:12,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:12,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:12,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:12,859 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:12,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:12,860 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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb [2021-11-23 15:05:13,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:13,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:13,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:13,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:13,148 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:13,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/lockfree-3.3.i [2021-11-23 15:05:13,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/1bf40d63d/a71872f5bd644c98a00db7d03a261c6d/FLAG1ae6de4c9 [2021-11-23 15:05:13,789 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:13,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/sv-benchmarks/c/memsafety/lockfree-3.3.i [2021-11-23 15:05:13,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/1bf40d63d/a71872f5bd644c98a00db7d03a261c6d/FLAG1ae6de4c9 [2021-11-23 15:05:14,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/1bf40d63d/a71872f5bd644c98a00db7d03a261c6d [2021-11-23 15:05:14,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:14,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:14,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:14,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:14,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:14,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192cc9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14, skipping insertion in model container [2021-11-23 15:05:14,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:14,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:14,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:14,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:14,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:14,725 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:14,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14 WrapperNode [2021-11-23 15:05:14,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:14,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:14,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:14,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:14,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,815 INFO L137 Inliner]: procedures = 125, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2021-11-23 15:05:14,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:14,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:14,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:14,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:14,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:14,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:14,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:14,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:14,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:14,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:14,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:15,069 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:15,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:15,547 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:15,576 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:15,582 INFO L158 Benchmark]: Toolchain (without parser) took 1459.98ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.6MB in the beginning and 53.1MB in the end (delta: 8.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,583 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:15,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 73.2MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.87ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,586 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:15,588 INFO L158 Benchmark]: RCFGBuilder took 723.14ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 53.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:05:15,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 73.2MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.87ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 723.14ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 53.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:15,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:18,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:18,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:18,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:18,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:18,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:18,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:18,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:18,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:18,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:18,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:18,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:18,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:18,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:18,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:18,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:18,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:18,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:18,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:18,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:18,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:18,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:18,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:18,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:18,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:18,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:18,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:18,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:18,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:18,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:18,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:18,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:18,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:18,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:18,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:18,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:18,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:18,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:18,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:18,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:18,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:18,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:18,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:18,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:18,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:18,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:18,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:18,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:18,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:18,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:18,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:18,780 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:05:18,780 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:05:18,780 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:05:18,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:18,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:18,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:18,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:18,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:18,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:18,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:18,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:18,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:18,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:18,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:18,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:18,784 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:18,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:18,785 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:18,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:18,785 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_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb [2021-11-23 15:05:19,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:19,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:19,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:19,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:19,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:19,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/lockfree-3.3.i [2021-11-23 15:05:19,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/219fe0a47/99afcb51325744ab8fc0f5de7e9371b3/FLAG75a503bd5 [2021-11-23 15:05:20,200 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:20,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/sv-benchmarks/c/memsafety/lockfree-3.3.i [2021-11-23 15:05:20,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/219fe0a47/99afcb51325744ab8fc0f5de7e9371b3/FLAG75a503bd5 [2021-11-23 15:05:20,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/data/219fe0a47/99afcb51325744ab8fc0f5de7e9371b3 [2021-11-23 15:05:20,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:20,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:20,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:20,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:20,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b45c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20, skipping insertion in model container [2021-11-23 15:05:20,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:20,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:20,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,019 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:21,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,161 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:21,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21 WrapperNode [2021-11-23 15:05:21,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:21,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:21,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:21,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,272 INFO L137 Inliner]: procedures = 128, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2021-11-23 15:05:21,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:21,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:21,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:21,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:21,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:21,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:21,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:21,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:21,662 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:21,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:22,133 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:22,159 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:22,164 INFO L158 Benchmark]: Toolchain (without parser) took 1714.41ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 60.7MB in the end (delta: -473.9kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,165 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 29.5MB in the beginning and 29.5MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:22,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.59ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 59.3MB in the end (delta: 848.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.43ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,168 INFO L158 Benchmark]: Boogie Preprocessor took 77.60ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,169 INFO L158 Benchmark]: RCFGBuilder took 809.15ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 60.7MB in the end (delta: -5.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 29.5MB in the beginning and 29.5MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.59ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 59.3MB in the end (delta: 848.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.43ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.60ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.15ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 60.7MB in the end (delta: -5.6MB). Peak memory consumption was 17.0MB. 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 15:05:22,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95d7fa5b-a27a-40a5-8881-4383d7fc8c79/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable