./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-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_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/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_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/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_4281b8cb-826b-4f52-a745-2c35add0ba67/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 f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:26,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:26,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:26,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:26,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:26,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:26,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:26,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:26,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:26,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:26,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:26,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:26,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:26,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:26,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:26,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:26,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:26,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:26,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:26,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:26,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:26,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:26,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:26,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:26,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:26,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:26,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:26,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:26,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:26,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:26,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:26,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:26,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:26,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:26,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:26,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:26,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:26,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:26,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:26,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:26,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:26,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 15:33:27,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:27,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:27,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:27,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:27,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:27,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:27,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:27,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:27,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:27,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:27,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:27,006 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:27,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:27,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:27,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:27,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:27,008 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:27,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:27,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:27,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:27,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:27,010 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:27,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:27,010 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_4281b8cb-826b-4f52-a745-2c35add0ba67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2021-11-23 15:33:27,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:27,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:27,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:27,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:27,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:27,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:33:27,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/002c21f45/694813eeb2e84f4e91c0f33a847422e5/FLAG74fdc299c [2021-11-23 15:33:28,099 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:28,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:33:28,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/002c21f45/694813eeb2e84f4e91c0f33a847422e5/FLAG74fdc299c [2021-11-23 15:33:28,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/002c21f45/694813eeb2e84f4e91c0f33a847422e5 [2021-11-23 15:33:28,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:28,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:28,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:28,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:28,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:28,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:28" (1/1) ... [2021-11-23 15:33:28,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b80afd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:28, skipping insertion in model container [2021-11-23 15:33:28,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:28" (1/1) ... [2021-11-23 15:33:28,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:28,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:28,939 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_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:33:29,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:29,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:29,092 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_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:33:29,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:29,173 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:29,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29 WrapperNode [2021-11-23 15:33:29,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:29,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:29,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:29,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:29,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,276 INFO L137 Inliner]: procedures = 129, calls = 79, calls flagged for inlining = 24, calls inlined = 38, statements flattened = 477 [2021-11-23 15:33:29,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:29,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:29,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:29,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:29,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:29,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:29,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:29,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:29,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:29" (1/1) ... [2021-11-23 15:33:29,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:29,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:29,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:29,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:33:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:33:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:33:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:29,712 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:29,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:30,652 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:30,801 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:30,810 INFO L158 Benchmark]: Toolchain (without parser) took 2437.97ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 74.6MB in the beginning and 100.4MB in the end (delta: -25.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,812 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:30,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.41ms. Allocated memory is still 107.0MB. Free memory was 74.4MB in the beginning and 74.7MB in the end (delta: -265.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.98ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 71.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,817 INFO L158 Benchmark]: Boogie Preprocessor took 105.37ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,819 INFO L158 Benchmark]: RCFGBuilder took 1420.55ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 68.4MB in the beginning and 100.4MB in the end (delta: -32.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.41ms. Allocated memory is still 107.0MB. Free memory was 74.4MB in the beginning and 74.7MB in the end (delta: -265.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.98ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 71.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.37ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1420.55ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 68.4MB in the beginning and 100.4MB in the end (delta: -32.0MB). Peak memory consumption was 28.5MB. 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 15:33:30,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/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_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/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_4281b8cb-826b-4f52-a745-2c35add0ba67/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 f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:33,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:33,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:33,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:33,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:33,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:33,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:33,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:33,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:33,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:33,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:33,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:33,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:33,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:34,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:34,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:34,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:34,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:34,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:34,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:34,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:34,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:34,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:34,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:34,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:34,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:34,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:34,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:34,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:34,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:34,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:34,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:34,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:34,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:34,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:34,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:34,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:34,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:34,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:34,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:34,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:34,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:34,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:34,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:34,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:34,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:34,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:34,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:34,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:34,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:34,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:34,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:34,133 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:34,133 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:34,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:34,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:34,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:34,135 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:34,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:34,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:34,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:34,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:34,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:34,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:34,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:34,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:34,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:34,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:34,138 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:34,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:34,139 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_4281b8cb-826b-4f52-a745-2c35add0ba67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2021-11-23 15:33:34,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:34,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:34,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:34,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:34,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:34,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:33:34,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/c4d1ead0d/b312b88872fd40ea9d3eecd4ec0f8afc/FLAGb8a71163f [2021-11-23 15:33:35,485 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:35,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:33:35,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/c4d1ead0d/b312b88872fd40ea9d3eecd4ec0f8afc/FLAGb8a71163f [2021-11-23 15:33:35,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/data/c4d1ead0d/b312b88872fd40ea9d3eecd4ec0f8afc [2021-11-23 15:33:35,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:35,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:35,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:35,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:35,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:35,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2021-11-23 15:33:35,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e39323e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:35, skipping insertion in model container [2021-11-23 15:33:35,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2021-11-23 15:33:35,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:35,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:36,336 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_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:33:36,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:36,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:36,502 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_4281b8cb-826b-4f52-a745-2c35add0ba67/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:33:36,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:36,600 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:36,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36 WrapperNode [2021-11-23 15:33:36,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:36,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:36,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:36,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:36,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,699 INFO L137 Inliner]: procedures = 130, calls = 79, calls flagged for inlining = 24, calls inlined = 38, statements flattened = 475 [2021-11-23 15:33:36,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:36,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:36,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:36,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:36,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:36,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:36,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:36,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:36,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:36,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:36,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:36,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:33:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:33:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:33:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:37,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:37,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:38,858 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:38,990 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:38,996 INFO L158 Benchmark]: Toolchain (without parser) took 3245.78ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 59.1MB in the beginning and 68.6MB in the end (delta: -9.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,997 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:38,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.58ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 50.9MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.25ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 47.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:39,001 INFO L158 Benchmark]: Boogie Preprocessor took 77.45ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:39,002 INFO L158 Benchmark]: RCFGBuilder took 2206.05ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 68.6MB in the end (delta: -24.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:39,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.58ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 50.9MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.25ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 47.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.45ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2206.05ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 68.6MB in the end (delta: -24.4MB). Peak memory consumption was 18.1MB. 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 15:33:39,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281b8cb-826b-4f52-a745-2c35add0ba67/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