./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c --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_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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_187ceab0-6f7f-445b-9d64-453f987c3007/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 f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:46,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:46,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:46,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:46,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:46,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:46,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:46,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:46,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:46,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:46,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:46,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:46,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:46,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:46,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:46,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:46,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:46,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:46,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:46,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:46,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:46,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:46,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:46,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:46,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:46,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:46,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:46,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:46,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:46,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:46,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:46,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:46,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:46,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:46,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:46,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:46,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:46,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:46,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:46,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:46,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:46,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:32:46,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:46,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:46,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:46,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:46,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:46,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:46,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:32:46,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:46,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:46,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:46,865 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:32:46,866 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:32:46,866 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:32:46,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:46,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:46,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:46,867 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:46,867 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:46,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:46,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:46,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:46,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:46,869 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:46,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:46,870 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_187ceab0-6f7f-445b-9d64-453f987c3007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df [2021-11-23 15:32:47,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:47,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:47,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:47,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:47,236 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:47,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2021-11-23 15:32:47,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/786d1a62f/dd6df762c03a4cd1a0053ccc342b64d3/FLAGc71da3041 [2021-11-23 15:32:48,055 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:48,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2021-11-23 15:32:48,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/786d1a62f/dd6df762c03a4cd1a0053ccc342b64d3/FLAGc71da3041 [2021-11-23 15:32:48,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/786d1a62f/dd6df762c03a4cd1a0053ccc342b64d3 [2021-11-23 15:32:48,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:48,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:48,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:48,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:48,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:48,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399511f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48, skipping insertion in model container [2021-11-23 15:32:48,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:48,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:48,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:48,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:48,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:48,762 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:48,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48 WrapperNode [2021-11-23 15:32:48,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:48,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:48,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:48,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:48,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,824 INFO L137 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2021-11-23 15:32:48,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:48,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:48,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:48,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:48,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:48,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:48,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:48,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:48,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 15:32:48,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:48,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:48,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:32:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:32:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:32:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:32:49,115 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:49,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:49,305 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:49,378 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 15:32:49,384 INFO L158 Benchmark]: Toolchain (without parser) took 970.04ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 59.4MB in the end (delta: 6.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:49,385 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:49,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.38ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 73.7MB in the end (delta: -8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:49,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.42ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:49,390 INFO L158 Benchmark]: Boogie Preprocessor took 66.01ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 70.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:49,392 INFO L158 Benchmark]: RCFGBuilder took 487.34ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 59.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:49,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.38ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 73.7MB in the end (delta: -8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.42ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.01ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 70.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.34ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 59.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:32:49,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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_187ceab0-6f7f-445b-9d64-453f987c3007/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 f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:52,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:52,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:52,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:52,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:52,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:52,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:52,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:52,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:52,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:52,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:52,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:52,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:52,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:52,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:52,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:52,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:52,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:52,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:52,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:52,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:52,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:52,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:52,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:52,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:52,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:52,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:52,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:52,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:52,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:52,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:52,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:52,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:52,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:52,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:52,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:52,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:52,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:52,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:52,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:52,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:52,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:52,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:52,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:52,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:52,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:52,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:52,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:52,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:32:52,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:52,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:52,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:52,728 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:32:52,728 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:32:52,728 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:32:52,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:52,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:52,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:52,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:52,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:52,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:52,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:52,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:52,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:52,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:52,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:52,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:52,732 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:52,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:52,733 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:52,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:52,733 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_187ceab0-6f7f-445b-9d64-453f987c3007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df [2021-11-23 15:32:53,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:53,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:53,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:53,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:53,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:53,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2021-11-23 15:32:53,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/9604bd5a1/a8e306f6e32d411789087ae761219b17/FLAGd011f9483 [2021-11-23 15:32:53,984 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:53,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2021-11-23 15:32:53,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/9604bd5a1/a8e306f6e32d411789087ae761219b17/FLAGd011f9483 [2021-11-23 15:32:54,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/data/9604bd5a1/a8e306f6e32d411789087ae761219b17 [2021-11-23 15:32:54,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:54,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:54,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:54,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:54,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:54,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578864ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54, skipping insertion in model container [2021-11-23 15:32:54,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:54,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:54,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:54,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:54,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:54,659 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:54,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54 WrapperNode [2021-11-23 15:32:54,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:54,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:54,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:54,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:54,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,725 INFO L137 Inliner]: procedures = 10, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2021-11-23 15:32:54,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:54,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:54,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:54,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:54,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:54,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:54,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:54,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:54,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:54,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:54,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:54,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:32:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:32:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:32:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:32:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:32:54,977 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:54,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:55,360 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:55,397 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 15:32:55,403 INFO L158 Benchmark]: Toolchain (without parser) took 1068.95ms. Allocated memory is still 60.8MB. Free memory was 40.0MB in the beginning and 28.5MB in the end (delta: 11.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:55,404 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:55,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.36ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 43.8MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:55,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.56ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 42.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:55,408 INFO L158 Benchmark]: Boogie Preprocessor took 35.47ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:55,409 INFO L158 Benchmark]: RCFGBuilder took 637.76ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 28.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:32:55,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.36ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 43.8MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.56ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 42.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.47ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.76ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 28.5MB in the end (delta: 12.3MB). 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 15:32:55,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187ceab0-6f7f-445b-9d64-453f987c3007/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