./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed 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_test9_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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:59:04,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:59:04,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-08 22:59:04,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:59:04,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:59:05,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:59:05,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:59:05,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:59:05,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 22:59:05,020 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 22:59:05,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:59:05,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:59:05,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:59:05,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:59:05,021 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:59:05,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:59:05,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:59:05,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:59:05,022 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 -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2025-03-08 22:59:05,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:59:05,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:59:05,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:59:05,215 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:59:05,216 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:59:05,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2025-03-08 22:59:06,336 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98dc86ba/1f0af95cf81b4d389be9f2f0f0dbceb9/FLAGa0f210b52 [2025-03-08 22:59:06,597 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:59:06,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2025-03-08 22:59:06,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98dc86ba/1f0af95cf81b4d389be9f2f0f0dbceb9/FLAGa0f210b52 [2025-03-08 22:59:06,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98dc86ba/1f0af95cf81b4d389be9f2f0f0dbceb9 [2025-03-08 22:59:06,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:59:06,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:59:06,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:59:06,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:59:06,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:59:06,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:59:06" (1/1) ... [2025-03-08 22:59:06,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c453938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:06, skipping insertion in model container [2025-03-08 22:59:06,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:59:06" (1/1) ... [2025-03-08 22:59:06,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:59:07,145 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:07,193 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:07,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:59:07,207 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) [2025-03-08 22:59:07,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@128ebe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:07, skipping insertion in model container [2025-03-08 22:59:07,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:59:07,208 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-08 22:59:07,209 INFO L158 Benchmark]: Toolchain (without parser) took 304.49ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 96.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:59:07,209 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:59:07,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.15ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 96.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:59:07,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.15ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 96.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. 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/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_test9_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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:59:08,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:59:08,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-03-08 22:59:08,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:59:08,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:59:08,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:59:08,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:59:08,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:59:08,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 22:59:08,912 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 22:59:08,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:59:08,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:59:08,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:59:08,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 22:59:08,913 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 22:59:08,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:59:08,915 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:59:08,915 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:59:08,915 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:59:08,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:59:08,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:59:08,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:59:08,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:59:08,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:59:08,917 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 -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2025-03-08 22:59:09,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:59:09,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:59:09,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:59:09,165 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:59:09,165 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:59:09,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2025-03-08 22:59:10,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e4b1f71/4f6128bb1cd0484881d9bf71a342c3bf/FLAG9e57127da [2025-03-08 22:59:10,574 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:59:10,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2025-03-08 22:59:10,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e4b1f71/4f6128bb1cd0484881d9bf71a342c3bf/FLAG9e57127da [2025-03-08 22:59:10,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e4b1f71/4f6128bb1cd0484881d9bf71a342c3bf [2025-03-08 22:59:10,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:59:10,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:59:10,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:59:10,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:59:10,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:59:10,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:59:10" (1/1) ... [2025-03-08 22:59:10,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6fe588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:10, skipping insertion in model container [2025-03-08 22:59:10,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:59:10" (1/1) ... [2025-03-08 22:59:10,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:59:10,846 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:10,885 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:10,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:59:10,904 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-08 22:59:10,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:59:10,941 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:10,960 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:59:10,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:59:10,969 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:59:11,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:59:11,056 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:59:11,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11 WrapperNode [2025-03-08 22:59:11,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:59:11,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:59:11,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:59:11,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:59:11,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,094 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 26 [2025-03-08 22:59:11,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:59:11,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:59:11,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:59:11,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:59:11,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,116 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]. [2025-03-08 22:59:11,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:59:11,129 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:59:11,129 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:59:11,129 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:59:11,130 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (1/1) ... [2025-03-08 22:59:11,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:59:11,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:59:11,155 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) [2025-03-08 22:59:11,157 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 [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 22:59:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 22:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:59:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:59:11,242 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:59:11,244 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:59:11,275 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L527: havoc #t~malloc12.base, #t~malloc12.offset; [2025-03-08 22:59:11,324 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-08 22:59:11,324 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:59:11,332 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:59:11,332 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:59:11,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:59:11 BoogieIcfgContainer [2025-03-08 22:59:11,333 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:59:11,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:59:11,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:59:11,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:59:11,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:59:10" (1/3) ... [2025-03-08 22:59:11,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f2f072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:59:11, skipping insertion in model container [2025-03-08 22:59:11,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:59:11" (2/3) ... [2025-03-08 22:59:11,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f2f072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:59:11, skipping insertion in model container [2025-03-08 22:59:11,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:59:11" (3/3) ... [2025-03-08 22:59:11,343 INFO L128 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2025-03-08 22:59:11,355 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:59:11,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test9_1.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-08 22:59:11,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:59:11,391 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;@2f16cbe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:59:11,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-08 22:59:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-03-08 22:59:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 22:59:11,397 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:59:11,397 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:59:11,398 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)] === [2025-03-08 22:59:11,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:59:11,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1443965162, now seen corresponding path program 1 times [2025-03-08 22:59:11,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:59:11,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115050339] [2025-03-08 22:59:11,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:59:11,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:59:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:59:11,409 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) [2025-03-08 22:59:11,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 22:59:11,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 22:59:11,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 22:59:11,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:59:11,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:59:11,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 22:59:11,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:59:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:59:11,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:59:11,578 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:59:11,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115050339] [2025-03-08 22:59:11,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115050339] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:59:11,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:59:11,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:59:11,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713468066] [2025-03-08 22:59:11,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:59:11,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 22:59:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:59:11,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 22:59:11,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 22:59:11,606 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 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) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-08 22:59:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:59:11,662 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-03-08 22:59:11,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:59:11,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 11 [2025-03-08 22:59:11,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:59:11,668 INFO L225 Difference]: With dead ends: 22 [2025-03-08 22:59:11,668 INFO L226 Difference]: Without dead ends: 20 [2025-03-08 22:59:11,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 22:59:11,673 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 22:59:11,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 57 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 22:59:11,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-08 22:59:11,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-03-08 22:59:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) [2025-03-08 22:59:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2025-03-08 22:59:11,700 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 11 [2025-03-08 22:59:11,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:59:11,701 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2025-03-08 22:59:11,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-08 22:59:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2025-03-08 22:59:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-08 22:59:11,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:59:11,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:59:11,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 22:59:11,906 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 [2025-03-08 22:59:11,906 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2025-03-08 22:59:11,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:59:11,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1813247044, now seen corresponding path program 1 times [2025-03-08 22:59:11,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:59:11,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535673221] [2025-03-08 22:59:11,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:59:11,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:59:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:59:11,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 22:59:11,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 22:59:11,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-08 22:59:11,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-08 22:59:11,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:59:11,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:59:11,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 22:59:11,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:59:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:59:11,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:59:11,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:59:11,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535673221] [2025-03-08 22:59:11,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535673221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:59:11,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:59:11,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:59:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764725732] [2025-03-08 22:59:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:59:11,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:59:11,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:59:11,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:59:11,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:59:11,987 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-03-08 22:59:11,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:59:11,996 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2025-03-08 22:59:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 22:59:11,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 12 [2025-03-08 22:59:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:59:11,998 INFO L225 Difference]: With dead ends: 14 [2025-03-08 22:59:11,998 INFO L226 Difference]: Without dead ends: 14 [2025-03-08 22:59:11,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:59:11,999 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 22:59:11,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 22:59:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-03-08 22:59:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-03-08 22:59:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 22:59:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-03-08 22:59:12,000 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2025-03-08 22:59:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:59:12,000 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-03-08 22:59:12,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-03-08 22:59:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-03-08 22:59:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-08 22:59:12,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:59:12,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:59:12,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 22:59:12,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:59:12,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2025-03-08 22:59:12,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:59:12,206 INFO L85 PathProgramCache]: Analyzing trace with hash 376107361, now seen corresponding path program 1 times [2025-03-08 22:59:12,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:59:12,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072781387] [2025-03-08 22:59:12,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:59:12,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:59:12,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:59:12,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 22:59:12,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 22:59:12,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 22:59:12,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 22:59:12,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:59:12,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 22:59:12,270 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 22:59:12,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 22:59:12,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 22:59:12,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:59:12,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 22:59:12,305 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-08 22:59:12,305 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 22:59:12,306 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2025-03-08 22:59:12,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2025-03-08 22:59:12,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2025-03-08 22:59:12,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE (0 of 4 remaining) [2025-03-08 22:59:12,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 22:59:12,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:59:12,511 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 22:59:12,525 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:59:12,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:59:12 BoogieIcfgContainer [2025-03-08 22:59:12,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:59:12,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:59:12,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:59:12,530 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:59:12,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:59:11" (3/4) ... [2025-03-08 22:59:12,533 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 22:59:12,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:59:12,534 INFO L158 Benchmark]: Toolchain (without parser) took 1926.69ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 70.5MB in the end (delta: 20.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-03-08 22:59:12,535 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:59:12,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.30ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 22:59:12,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:59:12,536 INFO L158 Benchmark]: Boogie Preprocessor took 33.10ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 60.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:59:12,536 INFO L158 Benchmark]: IcfgBuilder took 203.70ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 49.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:59:12,536 INFO L158 Benchmark]: TraceAbstraction took 1194.66ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 71.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:59:12,536 INFO L158 Benchmark]: Witness Printer took 3.05ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.5MB in the end (delta: 757.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:59:12,537 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.30ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.10ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 60.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 203.70ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 49.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1194.66ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 71.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.05ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.5MB in the end (delta: 757.2kB). 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) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L773] CALL entry_point() [L766] CALL, EXPR probe_9_2() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a9={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\result=3, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET, EXPR probe_9_2() [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={2:0}, ldv_global_msg_list={1:0}] [L770] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L773] RET entry_point() - 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. - 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 2 procedures, 23 locations, 25 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 33 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2025-03-08 22:59:12,551 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 Result: UNKNOWN: Overapproximated counterexample