./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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_7e74845c-dfb3-43ed-a74e-bef4bf885499/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 f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:36,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:36,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:36,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:36,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:36,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:36,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:36,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:36,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:36,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:36,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:36,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:36,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:36,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:36,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:36,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:36,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:36,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:36,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:36,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:36,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:36,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:36,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:36,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:36,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:36,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:36,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:36,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:36,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:36,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:36,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:36,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:36,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:36,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:36,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:36,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:36,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:36,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:36,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:36,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:36,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:36,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:04:36,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:36,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:36,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:36,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:36,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:36,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:36,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:36,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:36,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:36,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:36,922 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:36,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:36,924 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:36,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:36,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:36,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:36,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:36,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:36,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:36,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:36,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:36,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:36,927 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:36,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:36,927 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_7e74845c-dfb3-43ed-a74e-bef4bf885499/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2021-11-23 15:04:37,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:37,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:37,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:37,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:37,326 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:37,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-23 15:04:37,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/adf3b7e5e/110b01f6149d43dbbad81d63ed0cfe49/FLAGaa70d130b [2021-11-23 15:04:38,081 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:38,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-23 15:04:38,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/adf3b7e5e/110b01f6149d43dbbad81d63ed0cfe49/FLAGaa70d130b [2021-11-23 15:04:38,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/adf3b7e5e/110b01f6149d43dbbad81d63ed0cfe49 [2021-11-23 15:04:38,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:38,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:38,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:38,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:38,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:38,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:38,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4985bfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38, skipping insertion in model container [2021-11-23 15:04:38,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:38,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:38,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:38,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:38,841 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:38,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:38,955 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:38,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38 WrapperNode [2021-11-23 15:04:38,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:38,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:38,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:38,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:38,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:38,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,017 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 15:04:39,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:39,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:39,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:39,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:39,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:39,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:39,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:39,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:39,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:38" (1/1) ... [2021-11-23 15:04:39,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:39,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:39,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:39,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:39,313 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:39,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:39,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:39,579 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 15:04:39,594 INFO L158 Benchmark]: Toolchain (without parser) took 1268.96ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 61.5MB in the end (delta: 20.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,594 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 107.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:39,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.28ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 76.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.82ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,597 INFO L158 Benchmark]: Boogie Preprocessor took 71.42ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 73.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:39,598 INFO L158 Benchmark]: RCFGBuilder took 498.59ms. Allocated memory is still 107.0MB. Free memory was 73.7MB in the beginning and 61.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 107.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.28ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 76.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.82ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.42ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 73.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.59ms. Allocated memory is still 107.0MB. Free memory was 73.7MB in the beginning and 61.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. 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 15:04:39,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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_7e74845c-dfb3-43ed-a74e-bef4bf885499/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 f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:42,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:42,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:42,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:42,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:42,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:42,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:42,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:42,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:42,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:42,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:42,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:42,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:42,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:42,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:42,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:42,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:42,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:42,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:42,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:42,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:42,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:42,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:42,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:42,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:42,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:42,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:42,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:42,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:42,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:42,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:42,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:42,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:42,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:42,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:42,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:42,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:42,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:42,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:42,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:42,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:42,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:42,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:42,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:42,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:42,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:42,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:42,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:42,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:42,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:42,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:42,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:42,172 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:42,172 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:42,173 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:42,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:42,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:42,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:42,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:42,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:42,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:42,174 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:42,174 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:42,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:42,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:42,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:42,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:42,176 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:42,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:42,176 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:42,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:42,177 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_7e74845c-dfb3-43ed-a74e-bef4bf885499/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2021-11-23 15:04:42,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:42,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:42,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:42,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:42,558 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:42,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-23 15:04:42,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/96d5421b9/2ca7cbbcab3e477b81a547fdb57583fe/FLAGa93c590eb [2021-11-23 15:04:43,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:43,180 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-23 15:04:43,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/96d5421b9/2ca7cbbcab3e477b81a547fdb57583fe/FLAGa93c590eb [2021-11-23 15:04:43,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/data/96d5421b9/2ca7cbbcab3e477b81a547fdb57583fe [2021-11-23 15:04:43,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:43,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:43,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:43,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:43,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:43,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485079a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:43, skipping insertion in model container [2021-11-23 15:04:43,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:43" (1/1) ... [2021-11-23 15:04:43,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:43,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:43,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:43,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:44,029 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:44,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44 WrapperNode [2021-11-23 15:04:44,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:44,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:44,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:44,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,111 INFO L137 Inliner]: procedures = 118, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2021-11-23 15:04:44,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:44,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:44,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:44,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:44,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:44,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:44,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:44,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:44,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:44,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:44,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:04:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:04:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:44,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:44,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:44,710 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:44,745 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 15:04:44,752 INFO L158 Benchmark]: Toolchain (without parser) took 1289.32ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 47.2MB in the end (delta: -19.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:44,753 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:44,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.82ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 49.0MB in the end (delta: -21.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:44,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.23ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 47.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:44,759 INFO L158 Benchmark]: Boogie Preprocessor took 61.67ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 45.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:44,760 INFO L158 Benchmark]: RCFGBuilder took 574.46ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 47.2MB in the end (delta: -1.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:44,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.82ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 49.0MB in the end (delta: -21.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.23ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 47.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.67ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 45.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.46ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 47.2MB in the end (delta: -1.6MB). Peak memory consumption was 11.0MB. 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 15:04:44,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e74845c-dfb3-43ed-a74e-bef4bf885499/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