./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 15:16:22,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 15:16:22,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 15:16:22,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 15:16:22,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 15:16:22,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 15:16:22,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 15:16:22,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 15:16:22,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 15:16:22,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 15:16:22,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 15:16:22,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 15:16:22,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 15:16:22,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 15:16:22,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 15:16:22,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 15:16:22,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 15:16:22,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 15:16:22,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 15:16:22,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 15:16:22,438 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 15:16:22,439 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 15:16:22,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 15:16:22,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 15:16:22,441 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 15:16:22,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 15:16:22,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 15:16:22,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 15:16:22,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 15:16:22,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 15:16:22,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 15:16:22,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 15:16:22,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 15:16:22,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 15:16:22,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 15:16:22,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 15:16:22,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 15:16:22,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-10 15:16:22,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 15:16:22,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 15:16:22,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 15:16:22,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 15:16:22,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 15:16:22,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-10 15:16:23,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 15:16:24,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 15:16:24,133 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-10 15:16:24,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd583cf42/d076fe3e53af48dbb94e414afe546761/FLAG4ca4ea5f1 [2024-11-10 15:16:24,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd583cf42/d076fe3e53af48dbb94e414afe546761 [2024-11-10 15:16:24,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 15:16:24,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 15:16:24,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 15:16:24,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 15:16:24,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 15:16:24,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:16:24" (1/1) ... [2024-11-10 15:16:24,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f454069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:24, skipping insertion in model container [2024-11-10 15:16:24,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:16:24" (1/1) ... [2024-11-10 15:16:24,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 15:16:24,467 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:24,530 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:24,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 15:16:24,554 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) [2024-11-10 15:16:24,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22da68c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:24, skipping insertion in model container [2024-11-10 15:16:24,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 15:16:24,555 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-10 15:16:24,556 INFO L158 Benchmark]: Toolchain (without parser) took 386.68ms. Allocated memory is still 222.3MB. Free memory was 149.7MB in the beginning and 133.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 15:16:24,557 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 15:16:24,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.51ms. Allocated memory is still 222.3MB. Free memory was 149.4MB in the beginning and 133.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 15:16:24,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.51ms. Allocated memory is still 222.3MB. Free memory was 149.4MB in the beginning and 133.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 607]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 15:16:26,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 15:16:26,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-10 15:16:26,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 15:16:26,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 15:16:26,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 15:16:26,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 15:16:26,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 15:16:26,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 15:16:26,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 15:16:26,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 15:16:26,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 15:16:26,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 15:16:26,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 15:16:26,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 15:16:26,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 15:16:26,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 15:16:26,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 15:16:26,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 15:16:26,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 15:16:26,478 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 15:16:26,478 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 15:16:26,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 15:16:26,480 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 15:16:26,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 15:16:26,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 15:16:26,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 15:16:26,481 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 15:16:26,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 15:16:26,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 15:16:26,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 15:16:26,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 15:16:26,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 15:16:26,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-10 15:16:26,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 15:16:26,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 15:16:26,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 15:16:26,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 15:16:26,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 15:16:26,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-10 15:16:28,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 15:16:28,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 15:16:28,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-10 15:16:28,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1249339ab/7be9de040564474daad337bc8e1ecd53/FLAGb3a558b33 [2024-11-10 15:16:28,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1249339ab/7be9de040564474daad337bc8e1ecd53 [2024-11-10 15:16:28,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 15:16:28,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 15:16:28,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 15:16:28,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 15:16:28,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 15:16:28,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:16:28" (1/1) ... [2024-11-10 15:16:28,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22061875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:28, skipping insertion in model container [2024-11-10 15:16:28,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:16:28" (1/1) ... [2024-11-10 15:16:28,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 15:16:29,004 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:29,060 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:29,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 15:16:29,079 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-10 15:16:29,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 15:16:29,119 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:29,139 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 15:16:29,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 15:16:29,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 15:16:29,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 15:16:29,237 INFO L204 MainTranslator]: Completed translation [2024-11-10 15:16:29,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29 WrapperNode [2024-11-10 15:16:29,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 15:16:29,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 15:16:29,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 15:16:29,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 15:16:29,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,282 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 26 [2024-11-10 15:16:29,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 15:16:29,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 15:16:29,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 15:16:29,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 15:16:29,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,312 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]. [2024-11-10 15:16:29,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 15:16:29,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 15:16:29,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 15:16:29,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 15:16:29,330 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (1/1) ... [2024-11-10 15:16:29,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 15:16:29,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 15:16:29,362 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) [2024-11-10 15:16:29,372 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 [2024-11-10 15:16:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 15:16:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 15:16:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 15:16:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 15:16:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 15:16:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 15:16:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 15:16:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 15:16:29,528 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 15:16:29,530 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 15:16:29,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L527: havoc #t~malloc12.base, #t~malloc12.offset; [2024-11-10 15:16:29,614 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: havoc alloc_16_~p~0#1.base, alloc_16_~p~0#1.offset; [2024-11-10 15:16:29,623 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-10 15:16:29,626 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 15:16:29,634 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 15:16:29,634 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 15:16:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:16:29 BoogieIcfgContainer [2024-11-10 15:16:29,636 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 15:16:29,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 15:16:29,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 15:16:29,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 15:16:29,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:16:28" (1/3) ... [2024-11-10 15:16:29,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177c6b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:16:29, skipping insertion in model container [2024-11-10 15:16:29,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:16:29" (2/3) ... [2024-11-10 15:16:29,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177c6b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:16:29, skipping insertion in model container [2024-11-10 15:16:29,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:16:29" (3/3) ... [2024-11-10 15:16:29,643 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2024-11-10 15:16:29,656 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 15:16:29,656 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 15:16:29,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 15:16:29,700 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;@2fcec1c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 15:16:29,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 15:16:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-10 15:16:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 15:16:29,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 15:16:29,718 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 15:16:29,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 15:16:29,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 15:16:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1101571592, now seen corresponding path program 1 times [2024-11-10 15:16:29,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 15:16:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277503751] [2024-11-10 15:16:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 15:16:29,732 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 [2024-11-10 15:16:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 15:16:29,735 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) [2024-11-10 15:16:29,739 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 [2024-11-10 15:16:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 15:16:29,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 15:16:29,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 15:16:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 15:16:29,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 15:16:29,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 15:16:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277503751] [2024-11-10 15:16:29,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277503751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 15:16:29,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 15:16:29,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 15:16:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474948768] [2024-11-10 15:16:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 15:16:29,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 15:16:29,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 15:16:29,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 15:16:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 15:16:29,870 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-10 15:16:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 15:16:29,902 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-10 15:16:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 15:16:29,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2024-11-10 15:16:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 15:16:29,911 INFO L225 Difference]: With dead ends: 22 [2024-11-10 15:16:29,911 INFO L226 Difference]: Without dead ends: 14 [2024-11-10 15:16:29,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 15:16:29,916 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 15:16:29,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 15:16:29,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-10 15:16:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-10 15:16:29,940 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) [2024-11-10 15:16:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-10 15:16:29,941 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2024-11-10 15:16:29,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 15:16:29,942 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-10 15:16:29,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-10 15:16:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-10 15:16:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 15:16:29,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 15:16:29,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 15:16:29,946 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 [2024-11-10 15:16:30,143 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 [2024-11-10 15:16:30,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 15:16:30,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 15:16:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash 405280119, now seen corresponding path program 1 times [2024-11-10 15:16:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 15:16:30,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037924743] [2024-11-10 15:16:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 15:16:30,146 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 [2024-11-10 15:16:30,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 15:16:30,148 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-10 15:16:30,150 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 (3)] Waiting until timeout for monitored process [2024-11-10 15:16:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 15:16:30,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 15:16:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 15:16:30,271 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 15:16:30,271 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 15:16:30,275 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2024-11-10 15:16:30,285 INFO L540 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 (3)] Forceful destruction successful, exit code 0 [2024-11-10 15:16:30,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-10 15:16:30,485 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 15:16:30,499 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 15:16:30,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:16:30 BoogieIcfgContainer [2024-11-10 15:16:30,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 15:16:30,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 15:16:30,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 15:16:30,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 15:16:30,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:16:29" (3/4) ... [2024-11-10 15:16:30,504 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 15:16:30,509 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 15:16:30,509 INFO L158 Benchmark]: Toolchain (without parser) took 1846.43ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 49.1MB in the beginning and 57.2MB in the end (delta: -8.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-10 15:16:30,510 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 15:16:30,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.00ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 48.8MB in the beginning and 70.5MB in the end (delta: -21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 15:16:30,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.09ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 15:16:30,513 INFO L158 Benchmark]: Boogie Preprocessor took 43.60ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 15:16:30,516 INFO L158 Benchmark]: IcfgBuilder took 308.40ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 54.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 15:16:30,516 INFO L158 Benchmark]: TraceAbstraction took 863.57ms. Allocated memory is still 102.8MB. Free memory was 53.8MB in the beginning and 57.9MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 15:16:30,516 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 57.2MB in the end (delta: 706.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 15:16:30,518 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 71.3MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.00ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 48.8MB in the beginning and 70.5MB in the end (delta: -21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.09ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.60ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 308.40ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 54.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 863.57ms. Allocated memory is still 102.8MB. Free memory was 53.8MB in the beginning and 57.9MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.30ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 57.2MB in the end (delta: 706.4kB). 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) VAL [ldv_global_msg_list={1:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [ldv_global_msg_list={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\result={2:0}, ldv_global_msg_list={1:0}] [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 17 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-10 15:16:30,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample