./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:46:08,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:46:08,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-04 07:46:08,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:46:08,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:46:08,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:46:08,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:46:08,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:46:08,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:46:08,574 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:46:08,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:46:08,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:46:08,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:46:08,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:46:08,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 07:46:08,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:46:08,577 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:46:08,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:46:08,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:46:08,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:46:08,578 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/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 -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2025-03-04 07:46:08,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:46:08,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:46:08,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:46:08,804 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:46:08,804 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:46:08,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2025-03-04 07:46:09,955 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd494a32/a1017866a69f4ec5a5d9ee80b1cd35a5/FLAG83114d0ab [2025-03-04 07:46:10,243 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:46:10,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2025-03-04 07:46:10,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd494a32/a1017866a69f4ec5a5d9ee80b1cd35a5/FLAG83114d0ab [2025-03-04 07:46:10,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd494a32/a1017866a69f4ec5a5d9ee80b1cd35a5 [2025-03-04 07:46:10,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:46:10,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:46:10,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:46:10,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:46:10,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:46:10,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:46:10" (1/1) ... [2025-03-04 07:46:10,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcd552f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:10, skipping insertion in model container [2025-03-04 07:46:10,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:46:10" (1/1) ... [2025-03-04 07:46:10,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:46:10,740 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:46:10,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:46:10,790 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) [2025-03-04 07:46:10,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50e0062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:10, skipping insertion in model container [2025-03-04 07:46:10,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:46:10,792 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:46:10,793 INFO L158 Benchmark]: Toolchain (without parser) took 274.26ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 91.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 07:46:10,793 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:46:10,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.64ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 07:46:10,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.64ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 608]: 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:46:12,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:46:12,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-03-04 07:46:12,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:46:12,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:46:12,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:46:12,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:46:12,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:46:12,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:46:12,482 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:46:12,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:46:12,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:46:12,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:46:12,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:46:12,483 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:46:12,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:46:12,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:46:12,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:46:12,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:46:12,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:46:12,485 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/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 -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2025-03-04 07:46:12,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:46:12,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:46:12,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:46:12,763 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:46:12,763 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:46:12,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2025-03-04 07:46:13,879 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7ea0db8/f580d3ce50c44000944a0b7738b19882/FLAGf45c16783 [2025-03-04 07:46:14,115 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:46:14,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2025-03-04 07:46:14,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7ea0db8/f580d3ce50c44000944a0b7738b19882/FLAGf45c16783 [2025-03-04 07:46:14,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7ea0db8/f580d3ce50c44000944a0b7738b19882 [2025-03-04 07:46:14,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:46:14,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:46:14,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:46:14,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:46:14,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:46:14,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb6c359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14, skipping insertion in model container [2025-03-04 07:46:14,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:46:14,697 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:46:14,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:46:14,759 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:46:14,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:46:14,784 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:46:14,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:46:14,803 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:46:14,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:46:14,882 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:46:14,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14 WrapperNode [2025-03-04 07:46:14,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:46:14,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:46:14,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:46:14,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:46:14,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,909 INFO L138 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2025-03-04 07:46:14,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:46:14,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:46:14,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:46:14,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:46:14,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,935 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 07:46:14,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:46:14,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:46:14,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:46:14,945 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:46:14,945 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (1/1) ... [2025-03-04 07:46:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:46:14,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:46:14,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 07:46:14,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 07:46:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:46:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:46:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 07:46:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:46:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:46:15,078 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:46:15,080 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:46:15,142 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L759: havoc h_unsafe_#t~nondet42#1; [2025-03-04 07:46:15,148 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-04 07:46:15,149 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:46:15,155 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:46:15,155 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:46:15,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:46:15 BoogieIcfgContainer [2025-03-04 07:46:15,156 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:46:15,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:46:15,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:46:15,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:46:15,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:46:14" (1/3) ... [2025-03-04 07:46:15,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f4d7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:46:15, skipping insertion in model container [2025-03-04 07:46:15,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:46:14" (2/3) ... [2025-03-04 07:46:15,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f4d7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:46:15, skipping insertion in model container [2025-03-04 07:46:15,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:46:15" (3/3) ... [2025-03-04 07:46:15,164 INFO L128 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2025-03-04 07:46:15,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:46:15,175 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test3-1.i that has 1 procedures, 15 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-04 07:46:15,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:46:15,214 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;@44fcfd66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:46:15,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 07:46:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:46:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 07:46:15,220 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:46:15,221 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 07:46:15,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2025-03-04 07:46:15,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:46:15,224 INFO L85 PathProgramCache]: Analyzing trace with hash 42909898, now seen corresponding path program 1 times [2025-03-04 07:46:15,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:46:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665371457] [2025-03-04 07:46:15,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:46:15,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:46:15,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:46:15,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:46:15,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:46:15,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 07:46:15,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 07:46:15,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:46:15,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 07:46:15,286 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 07:46:15,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 07:46:15,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 07:46:15,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:46:15,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 07:46:15,303 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-04 07:46:15,305 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 07:46:15,305 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2025-03-04 07:46:15,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2025-03-04 07:46:15,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2025-03-04 07:46:15,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (0 of 4 remaining) [2025-03-04 07:46:15,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:46:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:46:15,510 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-04 07:46:15,521 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 07:46:15,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 07:46:15 BoogieIcfgContainer [2025-03-04 07:46:15,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 07:46:15,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 07:46:15,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 07:46:15,525 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 07:46:15,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:46:15" (3/4) ... [2025-03-04 07:46:15,526 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-04 07:46:15,556 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 5. [2025-03-04 07:46:15,586 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 07:46:15,587 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 07:46:15,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 07:46:15,588 INFO L158 Benchmark]: Toolchain (without parser) took 1157.35ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 38.8MB in the end (delta: 19.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,588 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:46:15,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.90ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 31.0MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.20ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 29.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,590 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 27.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:46:15,590 INFO L158 Benchmark]: IcfgBuilder took 211.58ms. Allocated memory is still 83.9MB. Free memory was 27.8MB in the beginning and 55.2MB in the end (delta: -27.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,591 INFO L158 Benchmark]: TraceAbstraction took 365.92ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 44.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,591 INFO L158 Benchmark]: Witness Printer took 62.79ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 38.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 07:46:15,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.90ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 31.0MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.20ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 29.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 27.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 211.58ms. Allocated memory is still 83.9MB. Free memory was 27.8MB in the beginning and 55.2MB in the end (delta: -27.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 365.92ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 44.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 62.79ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 38.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:1}] [L763] free(p) VAL [ldv_global_msg_list={1:0}] - UnprovableResult [Line: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2025-03-04 07:46:15,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)