/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-MemCleanup-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/verifythis/tree_del_rec.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 16:44:49,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:44:49,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:44:49,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 16:44:49,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 16:44:49,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 16:44:49,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 16:44:49,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 16:44:49,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 16:44:49,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 16:44:49,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 16:44:49,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 16:44:49,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:44:49,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:44:49,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:44:49,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:44:49,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:44:49,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:44:49,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:44:49,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:44:49,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:44:49,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:44:49,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:44:49,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:44:49,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:44:49,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 16:44:49,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 16:44:49,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 16:44:49,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-64bit-Automizer_Default.epf [2020-12-23 16:44:49,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:44:49,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:44:49,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:44:49,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:44:49,510 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:44:49,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:44:49,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 16:44:49,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:44:49,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:44:49,511 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 16:44:49,512 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 16:44:49,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:44:49,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 16:44:49,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:44:49,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:44:49,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:44:49,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:44:49,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:44:49,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:44:49,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:44:49,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:44:49,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:44:49,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:44:49,516 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:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:44:49,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:44:49,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:44:49,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:44:49,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:44:49,998 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:44:50,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec.c [2020-12-23 16:44:50,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b2d56c815/b63631b09ffc41e5bc01848c4df86ee7/FLAG0a2d84d8d [2020-12-23 16:44:50,758 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:44:50,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c [2020-12-23 16:44:50,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b2d56c815/b63631b09ffc41e5bc01848c4df86ee7/FLAG0a2d84d8d [2020-12-23 16:44:51,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b2d56c815/b63631b09ffc41e5bc01848c4df86ee7 [2020-12-23 16:44:51,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:44:51,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:44:51,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:44:51,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:44:51,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:44:51,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:44:51" (1/1) ... [2020-12-23 16:44:51,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609d2367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:51, skipping insertion in model container [2020-12-23 16:44:51,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:44:51" (1/1) ... [2020-12-23 16:44:51,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:44:51,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 16:44:51,332 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c[585,598] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~n~0,],base],StructAccessExpression[IdentifierExpression[~n~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~n~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~n~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~n~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~n~0,],offset]]]] [2020-12-23 16:44:51,352 WARN L1512 CHandler]: Possible shadowing of function min left hand side expression in assignment: address: IdentifierExpression[~min,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] [2020-12-23 16:44:51,356 WARN L1512 CHandler]: Possible shadowing of function min left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~t,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~t,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~post25,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] [2020-12-23 16:44:51,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:44:51,395 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-23 16:44:51,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@624b4c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:51, skipping insertion in model container [2020-12-23 16:44:51,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:44:51,397 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-23 16:44:51,399 INFO L168 Benchmark]: Toolchain (without parser) took 272.36 ms. Allocated memory is still 157.3 MB. Free memory was 132.2 MB in the beginning and 123.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 16:44:51,400 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 157.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 16:44:51,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.72 ms. Allocated memory is still 157.3 MB. Free memory was 132.0 MB in the beginning and 123.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 16:44:51,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 157.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 268.72 ms. Allocated memory is still 157.3 MB. Free memory was 132.0 MB in the beginning and 123.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 28]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...