./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:30:23,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:30:23,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-01-09 22:30:23,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:30:23,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:30:23,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:30:23,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:30:23,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:30:23,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:30:23,768 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:30:23,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:30:23,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:30:23,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:30:23,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:30:23,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:30:23,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:30:23,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:30:23,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:30:23,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 22:30:23,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 22:30:23,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:30:23,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:30:23,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:30:23,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:30:23,773 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Automizer 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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2025-01-09 22:30:23,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:30:23,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:30:23,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:30:23,995 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:30:23,995 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:30:23,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2025-01-09 22:30:25,064 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c43033f7/643003c269b542b69fae4c9e13437676/FLAGe23072b0c [2025-01-09 22:30:25,393 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:30:25,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2025-01-09 22:30:25,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c43033f7/643003c269b542b69fae4c9e13437676/FLAGe23072b0c [2025-01-09 22:30:25,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c43033f7/643003c269b542b69fae4c9e13437676 [2025-01-09 22:30:25,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:30:25,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:30:25,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:30:25,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:30:25,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:30:25,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:30:25" (1/1) ... [2025-01-09 22:30:25,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4c7b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:25, skipping insertion in model container [2025-01-09 22:30:25,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:30:25" (1/1) ... [2025-01-09 22:30:25,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:30:25,669 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:25,703 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:25,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:30:25,718 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-01-09 22:30:25,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7728176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:25, skipping insertion in model container [2025-01-09 22:30:25,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:30:25,719 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-01-09 22:30:25,720 INFO L158 Benchmark]: Toolchain (without parser) took 285.67ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 97.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 22:30:25,720 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:30:25,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.71ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 97.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 22:30:25,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.71ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 97.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 607]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:30:27,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:30:27,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-01-09 22:30:27,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:30:27,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:30:27,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:30:27,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:30:27,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:30:27,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:30:27,449 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:30:27,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:30:27,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:30:27,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:30:27,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:30:27,450 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:30:27,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:30:27,450 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:30:27,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:30:27,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:30:27,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:30:27,452 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:30:27,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:30:27,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:30:27,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:30:27,453 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Automizer 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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2025-01-09 22:30:27,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:30:27,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:30:27,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:30:27,686 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:30:27,686 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:30:27,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2025-01-09 22:30:28,826 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e11ee75/fabe8379c7ac4c26bc035e15ce9028dc/FLAG932a33ac7 [2025-01-09 22:30:29,073 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:30:29,075 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2025-01-09 22:30:29,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e11ee75/fabe8379c7ac4c26bc035e15ce9028dc/FLAG932a33ac7 [2025-01-09 22:30:29,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e11ee75/fabe8379c7ac4c26bc035e15ce9028dc [2025-01-09 22:30:29,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:30:29,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:30:29,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:30:29,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:30:29,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:30:29,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b133476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29, skipping insertion in model container [2025-01-09 22:30:29,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:30:29,612 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:29,641 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:29,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:30:29,657 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-01-09 22:30:29,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:30:29,697 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:29,723 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 22:30:29,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:30:29,731 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 22:30:29,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:30:29,828 INFO L204 MainTranslator]: Completed translation [2025-01-09 22:30:29,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29 WrapperNode [2025-01-09 22:30:29,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:30:29,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 22:30:29,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 22:30:29,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 22:30:29,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,869 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 16 [2025-01-09 22:30:29,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 22:30:29,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 22:30:29,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 22:30:29,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 22:30:29,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,894 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [2, 0]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 0 writes are split as follows [0, 0]. [2025-01-09 22:30:29,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 22:30:29,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 22:30:29,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 22:30:29,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 22:30:29,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (1/1) ... [2025-01-09 22:30:29,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:30:29,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:30:29,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 22:30:29,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 22:30:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 22:30:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 22:30:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 22:30:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 22:30:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 22:30:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 22:30:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 22:30:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 22:30:30,047 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 22:30:30,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 22:30:30,125 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-01-09 22:30:30,125 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 22:30:30,132 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 22:30:30,132 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 22:30:30,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:30:30 BoogieIcfgContainer [2025-01-09 22:30:30,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 22:30:30,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 22:30:30,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 22:30:30,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 22:30:30,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 10:30:29" (1/3) ... [2025-01-09 22:30:30,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77355cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:30:30, skipping insertion in model container [2025-01-09 22:30:30,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:30:29" (2/3) ... [2025-01-09 22:30:30,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77355cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:30:30, skipping insertion in model container [2025-01-09 22:30:30,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:30:30" (3/3) ... [2025-01-09 22:30:30,142 INFO L128 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2025-01-09 22:30:30,152 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 22:30:30,154 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test8_1.i that has 2 procedures, 14 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 22:30:30,183 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 22:30:30,194 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@278cf09a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 22:30:30,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 22:30:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 22:30:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-09 22:30:30,204 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 22:30:30,205 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 22:30:30,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 22:30:30,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 22:30:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2025-01-09 22:30:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 22:30:30,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930047580] [2025-01-09 22:30:30,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 22:30:30,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 22:30:30,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:30:30,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 22:30:30,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 22:30:30,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 22:30:30,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 22:30:30,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:30:30,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:30:30,299 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 22:30:30,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 22:30:30,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 22:30:30,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:30:30,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:30:30,337 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-09 22:30:30,338 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 22:30:30,340 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2025-01-09 22:30:30,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 22:30:30,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 22:30:30,544 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 22:30:30,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 22:30:30,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 10:30:30 BoogieIcfgContainer [2025-01-09 22:30:30,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 22:30:30,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 22:30:30,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 22:30:30,564 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 22:30:30,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:30:30" (3/4) ... [2025-01-09 22:30:30,566 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 22:30:30,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 22:30:30,568 INFO L158 Benchmark]: Toolchain (without parser) took 1150.75ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 26.4MB in the end (delta: 31.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2025-01-09 22:30:30,568 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:30:30,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.83ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 52.4MB in the end (delta: 5.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2025-01-09 22:30:30,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 50.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:30:30,568 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 49.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:30:30,569 INFO L158 Benchmark]: RCFGBuilder took 224.12ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 38.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:30:30,569 INFO L158 Benchmark]: TraceAbstraction took 429.56ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 26.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:30:30,569 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 83.9MB. Free memory was 26.7MB in the beginning and 26.4MB in the end (delta: 290.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:30:30,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.83ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 52.4MB in the end (delta: 5.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 50.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 49.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.12ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 38.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 429.56ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 26.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 83.9MB. Free memory was 26.7MB in the beginning and 26.4MB in the end (delta: 290.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 22:30:30,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample