./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/count_down_unsafe.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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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 f9f8e12a96bbd82b23d1fc92b67fc377b3c783a366d4cad2924c946b146eff3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:48,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:48,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:48,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:48,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:48,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:48,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:48,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:48,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:49,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:49,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:49,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:49,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:49,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:49,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:49,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:49,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:49,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:49,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:49,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:49,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:49,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:49,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:49,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:49,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:49,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:49,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:49,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:49,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:49,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:49,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:49,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:49,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:49,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:49,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:49,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:49,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:49,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:49,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:49,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:49,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:49,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:02:49,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:49,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:49,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:49,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:49,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:49,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:49,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:02:49,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:49,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:49,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:49,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:02:49,119 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:02:49,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:02:49,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:49,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:49,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:49,120 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:49,120 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:49,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:49,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:49,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:49,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:49,121 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:49,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:49,122 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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9f8e12a96bbd82b23d1fc92b67fc377b3c783a366d4cad2924c946b146eff3f [2021-11-23 15:02:49,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:49,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:49,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:49,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:49,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:49,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2021-11-23 15:02:49,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/0328527de/445b3725660c4dbda6dcc0ff825e5a01/FLAG7cfbf7468 [2021-11-23 15:02:50,103 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:50,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2021-11-23 15:02:50,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/0328527de/445b3725660c4dbda6dcc0ff825e5a01/FLAG7cfbf7468 [2021-11-23 15:02:50,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/0328527de/445b3725660c4dbda6dcc0ff825e5a01 [2021-11-23 15:02:50,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:50,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:50,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:50,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:50,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:50,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59120b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:50, skipping insertion in model container [2021-11-23 15:02:50,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:50,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:50,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:50,906 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:50,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:51,004 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:51,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51 WrapperNode [2021-11-23 15:02:51,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:51,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:51,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:51,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:51,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,069 INFO L137 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 15:02:51,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:51,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:51,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:51,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:51,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:51,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:51,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:51,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:51,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:51,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:51,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:02:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:51,336 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:51,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:51,597 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:51,620 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 15:02:51,627 INFO L158 Benchmark]: Toolchain (without parser) took 1226.45ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 56.6MB in the end (delta: 7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,627 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 102.8MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:51,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.99ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 71.4MB in the end (delta: -8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.78ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,630 INFO L158 Benchmark]: Boogie Preprocessor took 52.63ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 68.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,631 INFO L158 Benchmark]: RCFGBuilder took 497.83ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 56.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 102.8MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.99ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 71.4MB in the end (delta: -8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.78ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.63ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 68.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.83ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 56.6MB in the end (delta: 11.6MB). 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 15:02:51,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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 f9f8e12a96bbd82b23d1fc92b67fc377b3c783a366d4cad2924c946b146eff3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:54,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:54,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:54,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:54,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:54,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:54,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:54,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:54,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:54,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:54,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:54,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:54,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:54,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:54,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:54,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:54,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:54,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:54,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:54,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:54,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:54,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:54,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:54,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:54,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:54,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:54,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:54,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:54,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:54,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:54,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:54,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:54,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:54,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:54,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:54,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:54,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:54,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:54,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:54,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:54,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:54,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:54,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:54,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:54,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:54,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:54,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:54,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:54,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:02:54,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:54,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:54,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:54,391 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:02:54,391 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:02:54,391 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:02:54,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:54,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:54,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:54,392 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:54,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:54,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:54,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:54,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:54,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:54,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:54,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:54,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:54,394 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:54,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:54,395 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:54,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:54,395 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_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9f8e12a96bbd82b23d1fc92b67fc377b3c783a366d4cad2924c946b146eff3f [2021-11-23 15:02:54,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:54,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:54,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:54,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:54,803 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:54,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2021-11-23 15:02:54,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/52be4993e/adb0b77ab7ca4034916837013e9ecb15/FLAG6f4ae6734 [2021-11-23 15:02:55,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:55,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2021-11-23 15:02:55,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/52be4993e/adb0b77ab7ca4034916837013e9ecb15/FLAG6f4ae6734 [2021-11-23 15:02:55,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/data/52be4993e/adb0b77ab7ca4034916837013e9ecb15 [2021-11-23 15:02:55,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:55,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:55,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:55,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:55,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:55,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:55" (1/1) ... [2021-11-23 15:02:55,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49598e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:55, skipping insertion in model container [2021-11-23 15:02:55,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:55" (1/1) ... [2021-11-23 15:02:55,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:55,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:56,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,044 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:56,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,134 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:56,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56 WrapperNode [2021-11-23 15:02:56,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:56,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:56,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:56,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:56,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,216 INFO L137 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 15:02:56,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:56,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:56,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:56,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:56,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:56,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:56,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:56,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:56,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:56" (1/1) ... [2021-11-23 15:02:56,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:56,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:56,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:02:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:02:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:56,469 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:56,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:56,741 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:56,781 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 15:02:56,786 INFO L158 Benchmark]: Toolchain (without parser) took 1205.54ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 24.9MB in the beginning and 38.4MB in the end (delta: -13.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:02:56,796 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:56,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.84ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 24.7MB in the beginning and 40.8MB in the end (delta: -16.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:56,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.75ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 38.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:56,799 INFO L158 Benchmark]: Boogie Preprocessor took 58.62ms. Allocated memory is still 65.0MB. Free memory was 38.9MB in the beginning and 37.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:56,800 INFO L158 Benchmark]: RCFGBuilder took 505.96ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 38.4MB in the end (delta: -855.3kB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:56,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.84ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 24.7MB in the beginning and 40.8MB in the end (delta: -16.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.75ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 38.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.62ms. Allocated memory is still 65.0MB. Free memory was 38.9MB in the beginning and 37.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.96ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 38.4MB in the end (delta: -855.3kB). Peak memory consumption was 7.6MB. 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 15:02:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f818aa7-bb93-4a7a-a9a6-874e3d0d6db7/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