./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:45,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:45,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:45,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:45,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:45,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:45,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:45,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:45,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:45,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:45,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:45,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:45,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:45,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:45,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:45,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:45,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:45,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:45,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:45,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:45,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:45,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:45,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:45,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:45,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:45,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:45,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:45,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:45,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:45,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:45,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:45,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:45,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:45,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:45,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:45,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:45,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:45,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:45,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:45,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:45,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:45,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:57:45,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:45,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:45,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:45,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:45,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:45,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:45,330 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:45,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:45,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:45,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:45,339 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:45,339 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:45,339 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:57:45,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:45,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:45,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:45,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:45,341 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:45,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:45,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:45,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:45,342 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:45,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:45,343 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb [2021-11-23 15:57:45,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:45,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:45,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:45,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:45,701 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:45,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 15:57:45,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/c1dd86f17/e9f48472343d4af6908b6554374d5984/FLAG2b5c7378a [2021-11-23 15:57:46,425 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:46,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 15:57:46,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/c1dd86f17/e9f48472343d4af6908b6554374d5984/FLAG2b5c7378a [2021-11-23 15:57:46,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/c1dd86f17/e9f48472343d4af6908b6554374d5984 [2021-11-23 15:57:46,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:46,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:46,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:46,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:46,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:46,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8d97d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46, skipping insertion in model container [2021-11-23 15:57:46,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:46,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:47,120 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 15:57:47,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:47,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:47,219 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 15:57:47,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:47,255 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:47,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47 WrapperNode [2021-11-23 15:57:47,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:47,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:47,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:47,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:47,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,312 INFO L137 Inliner]: procedures = 127, calls = 43, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 173 [2021-11-23 15:57:47,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:47,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:47,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:47,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:47,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:47,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:47,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:47,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:47,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:47,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:47,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:47,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:47,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:47,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:47,601 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:47,606 INFO L158 Benchmark]: Toolchain (without parser) took 910.06ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 62.4MB in the beginning and 96.8MB in the end (delta: -34.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,607 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 74.0MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:47,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.98ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 62.4MB in the beginning and 109.7MB in the end (delta: -47.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.76ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 107.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,610 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 105.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,611 INFO L158 Benchmark]: RCFGBuilder took 252.29ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 96.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 74.0MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.98ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 62.4MB in the beginning and 109.7MB in the end (delta: -47.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.76ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 107.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 105.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.29ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 96.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. 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 15:57:47,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:50,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:50,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:50,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:50,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:50,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:50,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:50,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:50,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:50,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:50,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:50,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:50,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:50,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:50,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:50,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:50,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:50,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:50,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:50,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:50,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:50,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:50,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:50,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:50,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:50,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:50,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:50,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:50,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:50,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:50,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:50,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:50,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:50,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:50,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:50,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:50,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:50,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:50,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:50,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:50,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:50,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:50,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:50,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:50,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:50,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:50,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:50,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:50,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:50,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:50,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:50,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:50,499 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:50,499 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:50,500 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:57:50,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:50,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:50,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:50,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:50,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:50,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:50,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:50,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:50,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:50,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:50,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:50,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:50,503 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:50,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:50,503 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:50,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:50,503 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb [2021-11-23 15:57:50,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:50,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:50,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:50,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:50,922 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:50,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 15:57:51,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/ec214396f/300b98d057414f52ba24d665be594290/FLAG2d148add8 [2021-11-23 15:57:51,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:51,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 15:57:51,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/ec214396f/300b98d057414f52ba24d665be594290/FLAG2d148add8 [2021-11-23 15:57:51,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/data/ec214396f/300b98d057414f52ba24d665be594290 [2021-11-23 15:57:51,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:51,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:51,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:51,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:51,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744b7bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51, skipping insertion in model container [2021-11-23 15:57:51,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:51,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:52,346 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 15:57:52,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:52,373 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:52,458 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_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 15:57:52,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:52,514 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:52,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52 WrapperNode [2021-11-23 15:57:52,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:52,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:52,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:52,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:52,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,585 INFO L137 Inliner]: procedures = 130, calls = 43, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 174 [2021-11-23 15:57:52,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:52,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:52,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:52,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:52,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:52,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:52,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:52,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:52,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:52,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:52,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:52,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:52,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:53,009 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:53,023 INFO L158 Benchmark]: Toolchain (without parser) took 1168.04ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 47.5MB in the end (delta: -14.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:53,023 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:53,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.49ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:53,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.50ms. Allocated memory is still 56.6MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:53,026 INFO L158 Benchmark]: Boogie Preprocessor took 61.89ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 26.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:53,027 INFO L158 Benchmark]: RCFGBuilder took 371.29ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 26.6MB in the beginning and 47.5MB in the end (delta: -20.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:53,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.49ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.50ms. Allocated memory is still 56.6MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.89ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 26.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.29ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 26.6MB in the beginning and 47.5MB in the end (delta: -20.9MB). Peak memory consumption was 8.5MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:53,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41062f8-ed9e-4dc0-b5fe-9c40c5b52ca9/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