./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.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_test21-1.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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:28:03,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:28:03,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-01-09 22:28:03,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:28:03,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:28:04,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:28:04,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:28:04,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:28:04,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:28:04,025 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:28:04,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:28:04,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:28:04,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:28:04,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:28:04,027 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:28:04,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:28:04,027 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:28:04,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:28:04,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:28:04,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:28:04,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:28:04,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:28:04,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:28:04,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:28:04,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:28:04,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:28:04,031 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 -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2025-01-09 22:28:04,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:28:04,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:28:04,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:28:04,311 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:28:04,312 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:28:04,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2025-01-09 22:28:05,569 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2813ba4/f31753f3dba94c09a578378d60732bb6/FLAGf695aa05e [2025-01-09 22:28:05,966 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:28:05,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2025-01-09 22:28:05,985 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2813ba4/f31753f3dba94c09a578378d60732bb6/FLAGf695aa05e [2025-01-09 22:28:06,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2813ba4/f31753f3dba94c09a578378d60732bb6 [2025-01-09 22:28:06,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:28:06,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:28:06,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:28:06,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:28:06,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:28:06,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:28:06" (1/1) ... [2025-01-09 22:28:06,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a707027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:06, skipping insertion in model container [2025-01-09 22:28:06,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:28:06" (1/1) ... [2025-01-09 22:28:06,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:28:06,477 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 22:28:06,535 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 22:28:06,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:28:06,556 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 22:28:06,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3456b171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:06, skipping insertion in model container [2025-01-09 22:28:06,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:28:06,557 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-01-09 22:28:06,559 INFO L158 Benchmark]: Toolchain (without parser) took 418.33ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 108.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 22:28:06,559 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:28:06,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.59ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 108.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 22:28:06,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.59ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 108.7MB in the end (delta: 13.6MB). 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_test21-1.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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:28:08,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:28:08,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-01-09 22:28:08,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:28:08,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:28:08,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:28:08,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:28:08,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:28:08,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:28:08,736 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:28:08,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:28:08,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:28:08,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:28:08,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:28:08,737 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:28:08,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:28:08,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:28:08,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 22:28:08,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 22:28:08,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:28:08,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:28:08,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:28:08,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:28:08,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 22:28:08,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 22:28:08,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:28:08,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:28:08,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:28:08,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:28:08,741 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 -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2025-01-09 22:28:09,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:28:09,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:28:09,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:28:09,064 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:28:09,064 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:28:09,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2025-01-09 22:28:10,452 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0ad6ee0e/faa526c4590447d8aecd141828b7a2ea/FLAGd41d98e63 [2025-01-09 22:28:10,757 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:28:10,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2025-01-09 22:28:10,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0ad6ee0e/faa526c4590447d8aecd141828b7a2ea/FLAGd41d98e63 [2025-01-09 22:28:10,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d0ad6ee0e/faa526c4590447d8aecd141828b7a2ea [2025-01-09 22:28:10,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:28:10,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:28:10,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:28:10,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:28:10,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:28:10,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:28:10" (1/1) ... [2025-01-09 22:28:10,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f3251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:10, skipping insertion in model container [2025-01-09 22:28:10,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:28:10" (1/1) ... [2025-01-09 22:28:10,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:28:11,133 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 22:28:11,173 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 22:28:11,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:28:11,200 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-01-09 22:28:11,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:28:11,254 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 22:28:11,284 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 22:28:11,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:28:11,302 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 22:28:11,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:28:11,412 INFO L204 MainTranslator]: Completed translation [2025-01-09 22:28:11,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11 WrapperNode [2025-01-09 22:28:11,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:28:11,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 22:28:11,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 22:28:11,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 22:28:11,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,461 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 21 [2025-01-09 22:28:11,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 22:28:11,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 22:28:11,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 22:28:11,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 22:28:11,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,490 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 22:28:11,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 22:28:11,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 22:28:11,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 22:28:11,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 22:28:11,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (1/1) ... [2025-01-09 22:28:11,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:28:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:28:11,546 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 22:28:11,550 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 22:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 22:28:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 22:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 22:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 22:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 22:28:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 22:28:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 22:28:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 22:28:11,728 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 22:28:11,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 22:28:11,828 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-09 22:28:11,829 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 22:28:11,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 22:28:11,838 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 22:28:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:28:11 BoogieIcfgContainer [2025-01-09 22:28:11,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 22:28:11,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 22:28:11,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 22:28:11,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 22:28:11,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 10:28:10" (1/3) ... [2025-01-09 22:28:11,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269ef90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:28:11, skipping insertion in model container [2025-01-09 22:28:11,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:28:11" (2/3) ... [2025-01-09 22:28:11,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269ef90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:28:11, skipping insertion in model container [2025-01-09 22:28:11,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:28:11" (3/3) ... [2025-01-09 22:28:11,850 INFO L128 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2025-01-09 22:28:11,862 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 22:28:11,864 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test21-1.i that has 2 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 22:28:11,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 22:28:11,903 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;@5e7858af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 22:28:11,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 22:28:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 22:28:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 22:28:11,916 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 22:28:11,916 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 22:28:11,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 22:28:11,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 22:28:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2025-01-09 22:28:11,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 22:28:11,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33167670] [2025-01-09 22:28:11,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 22:28:11,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 22:28:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:28:11,934 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 22:28:11,935 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 22:28:12,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 22:28:12,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 22:28:12,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:28:12,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:28:12,033 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 22:28:12,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 22:28:12,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 22:28:12,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:28:12,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:28:12,088 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-09 22:28:12,090 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 22:28:12,091 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2025-01-09 22:28:12,103 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 22:28:12,294 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 22:28:12,297 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 22:28:12,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 22:28:12,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 10:28:12 BoogieIcfgContainer [2025-01-09 22:28:12,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 22:28:12,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 22:28:12,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 22:28:12,319 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 22:28:12,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:28:11" (3/4) ... [2025-01-09 22:28:12,322 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 22:28:12,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 22:28:12,326 INFO L158 Benchmark]: Toolchain (without parser) took 1523.06ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 41.8MB in the end (delta: 16.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2025-01-09 22:28:12,326 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:28:12,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.29ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 30.8MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 22:28:12,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 83.9MB. Free memory was 30.8MB in the beginning and 29.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:28:12,328 INFO L158 Benchmark]: Boogie Preprocessor took 40.54ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 27.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:28:12,328 INFO L158 Benchmark]: RCFGBuilder took 331.68ms. Allocated memory is still 83.9MB. Free memory was 27.2MB in the beginning and 54.6MB in the end (delta: -27.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2025-01-09 22:28:12,328 INFO L158 Benchmark]: TraceAbstraction took 477.65ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 42.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:28:12,328 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:28:12,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.29ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 30.8MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 83.9MB. Free memory was 30.8MB in the beginning and 29.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.54ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 27.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.68ms. Allocated memory is still 83.9MB. Free memory was 27.2MB in the beginning and 54.6MB in the end (delta: -27.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 477.65ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 42.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. 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) }; VAL [ldv_global_msg_list={1:0}] [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={1:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={2:4}, ldv_global_msg_list={1:0}] [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 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=15occurred 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, 12 NumberOfCodeBlocks, 12 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 22:28:12,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: UNKNOWN: Overapproximated counterexample