./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/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 0.2.5-dev-4a390ef-m [2024-10-24 16:24:55,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:24:55,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-24 16:24:55,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:24:55,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:24:55,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:24:55,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:24:55,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:24:55,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:24:55,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:24:55,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:24:55,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:24:55,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:24:55,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:24:55,381 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:24:55,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:24:55,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:24:55,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:24:55,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:24:55,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:24:55,382 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:24:55,382 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:24:55,382 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 16:24:55,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:24:55,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:24:55,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:24:55,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:24:55,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:24:55,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:24:55,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:24:55,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:24:55,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:24:55,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:24:55,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:24:55,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:24:55,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:24:55,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 16:24:55,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 16:24:55,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:24:55,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:24:55,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:24:55,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:24:55,390 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2024-10-24 16:24:55,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:24:55,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:24:55,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:24:55,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:24:55,671 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:24:55,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-10-24 16:24:57,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:24:57,415 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:24:57,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-10-24 16:24:57,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbfca080/db78925034414c8b80033f217a92d3a2/FLAG698d75e94 [2024-10-24 16:24:57,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cbfca080/db78925034414c8b80033f217a92d3a2 [2024-10-24 16:24:57,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:24:57,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:24:57,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:24:57,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:24:57,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:24:57,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:24:57" (1/1) ... [2024-10-24 16:24:57,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d0fd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:24:57, skipping insertion in model container [2024-10-24 16:24:57,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:24:57" (1/1) ... [2024-10-24 16:24:57,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:24:57,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:24:57,933 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) [2024-10-24 16:24:57,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bf16dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:24:57, skipping insertion in model container [2024-10-24 16:24:57,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:24:57,934 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 16:24:57,937 INFO L158 Benchmark]: Toolchain (without parser) took 471.94ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 90.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 16:24:57,938 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 16:24:57,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.48ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 90.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 16:24:57,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.48ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 90.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/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 0.2.5-dev-4a390ef-m [2024-10-24 16:25:00,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:25:00,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-24 16:25:00,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:25:00,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:25:00,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:25:00,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:25:00,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:25:00,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:25:00,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:25:00,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:25:00,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:25:00,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:25:00,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:25:00,208 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:25:00,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:25:00,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:25:00,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:25:00,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:25:00,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:25:00,211 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:25:00,214 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:25:00,215 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 16:25:00,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:25:00,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:25:00,215 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 16:25:00,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:25:00,216 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 16:25:00,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:25:00,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:25:00,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:25:00,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:25:00,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:25:00,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:25:00,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:25:00,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:25:00,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:25:00,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:25:00,221 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 16:25:00,222 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 16:25:00,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:25:00,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:25:00,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:25:00,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:25:00,223 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 16:25:00,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2024-10-24 16:25:00,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:25:00,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:25:00,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:25:00,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:25:00,557 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:25:00,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-10-24 16:25:02,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:25:02,321 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:25:02,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-10-24 16:25:02,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc617e27/cc8324d4ff18447cb05e0bdd32f69152/FLAGfdb712643 [2024-10-24 16:25:02,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc617e27/cc8324d4ff18447cb05e0bdd32f69152 [2024-10-24 16:25:02,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:25:02,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:25:02,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:25:02,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:25:02,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:25:02,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:25:02" (1/1) ... [2024-10-24 16:25:02,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d0958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:02, skipping insertion in model container [2024-10-24 16:25:02,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:25:02" (1/1) ... [2024-10-24 16:25:02,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:25:02,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:25:02,853 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 16:25:02,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:25:02,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:25:02,922 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 16:25:02,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:25:03,041 INFO L204 MainTranslator]: Completed translation [2024-10-24 16:25:03,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03 WrapperNode [2024-10-24 16:25:03,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:25:03,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 16:25:03,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 16:25:03,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 16:25:03,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,094 INFO L138 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2024-10-24 16:25:03,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 16:25:03,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 16:25:03,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 16:25:03,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 16:25:03,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,125 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]. [2024-10-24 16:25:03,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 16:25:03,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 16:25:03,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 16:25:03,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 16:25:03,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (1/1) ... [2024-10-24 16:25:03,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:25:03,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 16:25:03,177 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) [2024-10-24 16:25:03,182 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 [2024-10-24 16:25:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 16:25:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 16:25:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 16:25:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 16:25:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 16:25:03,336 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 16:25:03,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 16:25:03,474 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-24 16:25:03,474 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 16:25:03,516 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 16:25:03,516 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 16:25:03,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:03 BoogieIcfgContainer [2024-10-24 16:25:03,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 16:25:03,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 16:25:03,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 16:25:03,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 16:25:03,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:25:02" (1/3) ... [2024-10-24 16:25:03,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702434de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:25:03, skipping insertion in model container [2024-10-24 16:25:03,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:03" (2/3) ... [2024-10-24 16:25:03,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702434de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:25:03, skipping insertion in model container [2024-10-24 16:25:03,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:03" (3/3) ... [2024-10-24 16:25:03,527 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2024-10-24 16:25:03,542 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 16:25:03,543 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-24 16:25:03,587 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 16:25:03,595 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;@6377ab92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 16:25:03,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-24 16:25:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-10-24 16:25:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 16:25:03,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:25:03,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 16:25:03,608 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-10-24 16:25:03,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:25:03,614 INFO L85 PathProgramCache]: Analyzing trace with hash 53080, now seen corresponding path program 1 times [2024-10-24 16:25:03,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:25:03,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102722301] [2024-10-24 16:25:03,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:25:03,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 16:25:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:25:03,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 16:25:03,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 16:25:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 16:25:03,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 16:25:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 16:25:03,711 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 16:25:03,713 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 16:25:03,714 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2024-10-24 16:25:03,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2024-10-24 16:25:03,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2024-10-24 16:25:03,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-10-24 16:25:03,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 16:25:03,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 16:25:03,924 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 16:25:03,937 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 16:25:03,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:25:03 BoogieIcfgContainer [2024-10-24 16:25:03,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 16:25:03,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 16:25:03,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 16:25:03,941 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 16:25:03,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:03" (3/4) ... [2024-10-24 16:25:03,942 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-24 16:25:03,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 16:25:03,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 16:25:03,970 INFO L158 Benchmark]: Toolchain (without parser) took 1618.25ms. Allocated memory is still 62.9MB. Free memory was 30.1MB in the beginning and 23.3MB in the end (delta: 6.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,970 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 16:25:03,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.36ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 35.1MB in the end (delta: -5.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.81ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 32.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,972 INFO L158 Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 31.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,972 INFO L158 Benchmark]: RCFGBuilder took 380.80ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 37.3MB in the end (delta: -6.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,973 INFO L158 Benchmark]: TraceAbstraction took 421.02ms. Allocated memory is still 62.9MB. Free memory was 36.6MB in the beginning and 25.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 16:25:03,973 INFO L158 Benchmark]: Witness Printer took 28.63ms. Allocated memory is still 62.9MB. Free memory was 25.0MB in the beginning and 23.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 16:25:03,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.36ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 35.1MB in the end (delta: -5.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.81ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 32.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.21ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 31.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.80ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 37.3MB in the end (delta: -6.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 421.02ms. Allocated memory is still 62.9MB. Free memory was 36.6MB in the beginning and 25.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 28.63ms. Allocated memory is still 62.9MB. Free memory was 25.0MB in the beginning and 23.3MB in the end (delta: 1.7MB). 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 - 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) }; [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={0:2}] [L763] free(p) VAL [ldv_global_msg_list={1:0}] - 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: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 3 NumberOfCodeBlocks, 3 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-24 16:25:04,004 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)