/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-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 16:49:10,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:49:10,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:49:10,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 16:49:10,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 16:49:10,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 16:49:10,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 16:49:10,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 16:49:10,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 16:49:10,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 16:49:10,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 16:49:10,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 16:49:10,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:49:10,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:49:10,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:49:10,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:49:10,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:49:10,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:49:10,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:49:10,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:49:10,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:49:10,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:49:10,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:49:10,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:49:10,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:49:10,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 16:49:10,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:49:10,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:49:10,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:49:10,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:49:10,715 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:49:10,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:49:10,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 16:49:10,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:49:10,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:49:10,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 16:49:10,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 16:49:10,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 16:49:10,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:49:10,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 16:49:10,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:49:10,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:49:10,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:49:10,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:49:10,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:49:10,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:49:10,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:49:10,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:49:10,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:49:10,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:49:10,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:49:11,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:49:11,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:49:11,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:49:11,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:49:11,118 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:49:11,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2020-12-23 16:49:11,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/040ad4cd3/7e80708af6644ca0b410b594b014df66/FLAG756a4d3e2 [2020-12-23 16:49:11,970 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:49:11,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2020-12-23 16:49:11,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/040ad4cd3/7e80708af6644ca0b410b594b014df66/FLAG756a4d3e2 [2020-12-23 16:49:12,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/040ad4cd3/7e80708af6644ca0b410b594b014df66 [2020-12-23 16:49:12,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:49:12,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:49:12,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:49:12,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:49:12,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:49:12,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:49:12" (1/1) ... [2020-12-23 16:49:12,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26754cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:49:12, skipping insertion in model container [2020-12-23 16:49:12,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:49:12" (1/1) ... [2020-12-23 16:49:12,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:49:12,295 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~cost,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~cost,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~best,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~best,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~N~0,] left hand side expression in assignment: lhs: VariableLHS[~M~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~size~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~size~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~val~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~val~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~cost~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~cost~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~2,]]]]] [2020-12-23 16:49:12,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:49:12,608 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 16:49:12,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c2df2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:49:12, skipping insertion in model container [2020-12-23 16:49:12,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:49:12,609 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-23 16:49:12,613 INFO L168 Benchmark]: Toolchain (without parser) took 398.16 ms. Allocated memory is still 159.4 MB. Free memory was 133.3 MB in the beginning and 122.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 16:49:12,615 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 159.4 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 16:49:12,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.70 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 122.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 16:49:12,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 159.4 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 391.70 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 122.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: 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...