./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/splice-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3368805c1b8fd734b0faf0a6dc34f33a5f2dfc4632d20a018a29950383fb6a5c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:44,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:44,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:44,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:44,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:44,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:44,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:44,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:44,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:44,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:44,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:44,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:44,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:44,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:44,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:44,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:44,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:44,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:44,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:44,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:44,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:44,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:44,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:44,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:44,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:44,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:44,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:44,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:44,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:44,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:44,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:44,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:44,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:44,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:44,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:44,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:44,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:44,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:44,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:44,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:44,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:44,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 15:54:44,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:44,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:44,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:44,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:44,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:44,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:44,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:44,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:44,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:44,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:44,421 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:44,421 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:44,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:44,422 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:44,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:44,422 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:44,422 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:44,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:44,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:44,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:44,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:44,424 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:44,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:44,424 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_420ce546-fd71-4e06-af82-3e9419defd9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3368805c1b8fd734b0faf0a6dc34f33a5f2dfc4632d20a018a29950383fb6a5c [2021-11-23 15:54:44,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:44,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:44,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:44,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:44,745 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:44,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/splice-1.i [2021-11-23 15:54:44,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/c8978471b/88ee027084d449f497a80b80b3c92f04/FLAGf95ace476 [2021-11-23 15:54:45,370 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:45,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i [2021-11-23 15:54:45,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/c8978471b/88ee027084d449f497a80b80b3c92f04/FLAGf95ace476 [2021-11-23 15:54:45,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/c8978471b/88ee027084d449f497a80b80b3c92f04 [2021-11-23 15:54:45,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:45,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:45,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:45,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:45,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:45,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3247c7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45, skipping insertion in model container [2021-11-23 15:54:45,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:45,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:46,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i[23721,23734] [2021-11-23 15:54:46,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:46,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:46,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i[23721,23734] [2021-11-23 15:54:46,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:46,185 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:46,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46 WrapperNode [2021-11-23 15:54:46,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:46,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:46,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:46,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:46,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,260 INFO L137 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2021-11-23 15:54:46,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:46,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:46,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:46,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:46,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:46,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:46,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:46,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:46,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:46" (1/1) ... [2021-11-23 15:54:46,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:46,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:46,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:46,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:54:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:54:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:54:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:46,523 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:46,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:46,545 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:46,549 INFO L158 Benchmark]: Toolchain (without parser) took 864.03ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 72.3MB in the end (delta: 7.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,550 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:46,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.40ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 83.8MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.98ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,552 INFO L158 Benchmark]: Boogie Preprocessor took 48.73ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,553 INFO L158 Benchmark]: RCFGBuilder took 234.02ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 72.3MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.40ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 83.8MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.98ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.73ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 234.02ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 72.3MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:46,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3368805c1b8fd734b0faf0a6dc34f33a5f2dfc4632d20a018a29950383fb6a5c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:48,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:48,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:48,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:48,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:48,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:48,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:48,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:48,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:48,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:48,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:48,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:48,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:48,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:48,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:48,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:48,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:48,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:48,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:48,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:48,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:48,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:48,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:48,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:48,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:48,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:48,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:48,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:48,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:48,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:48,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:48,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:48,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:48,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:48,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:48,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:48,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:48,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:48,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:48,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:48,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:48,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:49,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:49,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:49,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:49,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:49,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:49,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:49,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:49,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:49,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:49,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:49,043 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:49,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:49,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:49,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:49,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:49,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:49,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:49,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:49,045 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:49,045 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:49,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:49,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:49,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:49,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:49,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:49,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:49,047 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:49,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:49,047 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_420ce546-fd71-4e06-af82-3e9419defd9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3368805c1b8fd734b0faf0a6dc34f33a5f2dfc4632d20a018a29950383fb6a5c [2021-11-23 15:54:49,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:49,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:49,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:49,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:49,493 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:49,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/splice-1.i [2021-11-23 15:54:49,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/e08945990/1e29e1b797a94d648750e95dadd1a073/FLAGfec82482b [2021-11-23 15:54:50,227 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:50,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i [2021-11-23 15:54:50,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/e08945990/1e29e1b797a94d648750e95dadd1a073/FLAGfec82482b [2021-11-23 15:54:50,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/data/e08945990/1e29e1b797a94d648750e95dadd1a073 [2021-11-23 15:54:50,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:50,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:50,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:50,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:50,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523cd4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50, skipping insertion in model container [2021-11-23 15:54:50,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:50,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:51,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i[23721,23734] [2021-11-23 15:54:51,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:51,050 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:51,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/sv-benchmarks/c/list-properties/splice-1.i[23721,23734] [2021-11-23 15:54:51,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:51,181 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:51,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51 WrapperNode [2021-11-23 15:54:51,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:51,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:51,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:51,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:51,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,264 INFO L137 Inliner]: procedures = 127, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2021-11-23 15:54:51,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:51,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:51,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:51,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:51,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:51,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:51,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:51,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:51,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2021-11-23 15:54:51,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:51,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:51,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:51,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:51,512 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:51,514 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:51,534 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:51,538 INFO L158 Benchmark]: Toolchain (without parser) took 1002.10ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 28.8MB in the end (delta: 15.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,539 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:51,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.95ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 40.1MB in the end (delta: 3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.57ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 37.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,541 INFO L158 Benchmark]: Boogie Preprocessor took 55.61ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 36.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,542 INFO L158 Benchmark]: RCFGBuilder took 214.40ms. Allocated memory is still 65.0MB. Free memory was 36.0MB in the beginning and 28.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.95ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 40.1MB in the end (delta: 3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.57ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 37.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.61ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 36.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.40ms. Allocated memory is still 65.0MB. Free memory was 36.0MB in the beginning and 28.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:51,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420ce546-fd71-4e06-af82-3e9419defd9b/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