./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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 18:20:57,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 18:20:58,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-10-24 18:20:58,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 18:20:58,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 18:20:58,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 18:20:58,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 18:20:58,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 18:20:58,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 18:20:58,036 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 18:20:58,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 18:20:58,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 18:20:58,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 18:20:58,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 18:20:58,038 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 18:20:58,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 18:20:58,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 18:20:58,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 18:20:58,039 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 18:20:58,039 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 18:20:58,040 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 18:20:58,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 18:20:58,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 18:20:58,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 18:20:58,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 18:20:58,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 18:20:58,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 18:20:58,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 18:20:58,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 18:20:58,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 18:20:58,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 18:20:58,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 18:20:58,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 18:20:58,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2024-10-24 18:20:58,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 18:20:58,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 18:20:58,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 18:20:58,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 18:20:58,290 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 18:20:58,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2024-10-24 18:20:59,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 18:20:59,948 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 18:20:59,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2024-10-24 18:20:59,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f11127ea/f6f7ae84ecbb404a858ab7a1c06611a8/FLAG9b321627a [2024-10-24 18:20:59,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f11127ea/f6f7ae84ecbb404a858ab7a1c06611a8 [2024-10-24 18:20:59,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 18:20:59,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 18:20:59,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 18:20:59,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 18:21:00,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 18:21:00,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:20:59" (1/1) ... [2024-10-24 18:21:00,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fdd1db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:00, skipping insertion in model container [2024-10-24 18:21:00,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:20:59" (1/1) ... [2024-10-24 18:21:00,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 18:21:00,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 18:21:00,950 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 18:21:00,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c5d7f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:00, skipping insertion in model container [2024-10-24 18:21:00,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 18:21:00,951 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 18:21:00,952 INFO L158 Benchmark]: Toolchain (without parser) took 954.44ms. Allocated memory is still 211.8MB. Free memory was 176.4MB in the beginning and 124.1MB in the end (delta: 52.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-24 18:21:00,953 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 18:21:00,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.71ms. Allocated memory is still 211.8MB. Free memory was 175.4MB in the beginning and 124.1MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-24 18:21:00,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.71ms. Allocated memory is still 211.8MB. Free memory was 175.4MB in the beginning and 124.1MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4186]: 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 18:21:02,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 18:21:02,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2024-10-24 18:21:02,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 18:21:02,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 18:21:02,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 18:21:02,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 18:21:02,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 18:21:02,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 18:21:02,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 18:21:02,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 18:21:02,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 18:21:02,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 18:21:02,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 18:21:02,831 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 18:21:02,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 18:21:02,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 18:21:02,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 18:21:02,832 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 18:21:02,832 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 18:21:02,832 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 18:21:02,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 18:21:02,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 18:21:02,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 18:21:02,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 18:21:02,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 18:21:02,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 18:21:02,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 18:21:02,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 18:21:02,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 18:21:02,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 18:21:02,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 18:21:02,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 18:21:02,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 18:21:02,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 18:21:02,835 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 18:21:02,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 18:21:02,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 18:21:02,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 18:21:02,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 18:21:02,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 18:21:02,843 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 18:21:02,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2024-10-24 18:21:03,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 18:21:03,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 18:21:03,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 18:21:03,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 18:21:03,109 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 18:21:03,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2024-10-24 18:21:04,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 18:21:04,828 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 18:21:04,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2024-10-24 18:21:04,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fba71cd/a42ec1d630aa41568e8a4d116ad5ad80/FLAG1966575d2 [2024-10-24 18:21:05,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fba71cd/a42ec1d630aa41568e8a4d116ad5ad80 [2024-10-24 18:21:05,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 18:21:05,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 18:21:05,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 18:21:05,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 18:21:05,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 18:21:05,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:21:05" (1/1) ... [2024-10-24 18:21:05,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5b859e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:05, skipping insertion in model container [2024-10-24 18:21:05,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:21:05" (1/1) ... [2024-10-24 18:21:05,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 18:21:05,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 18:21:05,924 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 18:21:05,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 18:21:06,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 18:21:06,106 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 18:21:06,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 18:21:06,299 INFO L204 MainTranslator]: Completed translation [2024-10-24 18:21:06,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06 WrapperNode [2024-10-24 18:21:06,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 18:21:06,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 18:21:06,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 18:21:06,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 18:21:06,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,409 INFO L138 Inliner]: procedures = 122, calls = 424, calls flagged for inlining = 51, calls inlined = 47, statements flattened = 1238 [2024-10-24 18:21:06,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 18:21:06,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 18:21:06,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 18:21:06,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 18:21:06,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,564 INFO L175 MemorySlicer]: Split 183 memory accesses to 12 slices as follows [2, 12, 2, 13, 17, 5, 7, 4, 4, 21, 68, 28]. 37 percent of accesses are in the largest equivalence class. The 107 initializations are split as follows [2, 0, 0, 13, 0, 0, 7, 4, 4, 21, 28, 28]. The 21 writes are split as follows [0, 4, 2, 0, 2, 1, 0, 0, 0, 0, 12, 0]. [2024-10-24 18:21:06,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 18:21:06,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 18:21:06,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 18:21:06,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 18:21:06,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (1/1) ... [2024-10-24 18:21:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 18:21:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 18:21:06,793 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 18:21:06,804 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 18:21:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2024-10-24 18:21:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-10-24 18:21:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-10-24 18:21:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-10-24 18:21:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-10-24 18:21:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-24 18:21:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-24 18:21:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2024-10-24 18:21:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-10-24 18:21:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 18:21:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 18:21:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 18:21:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 18:21:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2024-10-24 18:21:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2024-10-24 18:21:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 18:21:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 18:21:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-24 18:21:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-24 18:21:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2024-10-24 18:21:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2024-10-24 18:21:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 18:21:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 18:21:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-24 18:21:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-24 18:21:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 18:21:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 18:21:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 18:21:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 18:21:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 18:21:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-24 18:21:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 18:21:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 18:21:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-10-24 18:21:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-10-24 18:21:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-10-24 18:21:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-24 18:21:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 18:21:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 18:21:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2024-10-24 18:21:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 18:21:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-24 18:21:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-24 18:21:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-10-24 18:21:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-10-24 18:21:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-24 18:21:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-10-24 18:21:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-10-24 18:21:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-10-24 18:21:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-10-24 18:21:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2024-10-24 18:21:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2024-10-24 18:21:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-10-24 18:21:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-10-24 18:21:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 18:21:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 18:21:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-24 18:21:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-24 18:21:07,283 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 18:21:07,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 18:21:07,796 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 18:21:09,405 INFO L? ?]: Removed 769 outVars from TransFormulas that were not future-live. [2024-10-24 18:21:09,405 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 18:21:09,553 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 18:21:09,553 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 18:21:09,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:21:09 BoogieIcfgContainer [2024-10-24 18:21:09,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 18:21:09,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 18:21:09,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 18:21:09,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 18:21:09,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:21:05" (1/3) ... [2024-10-24 18:21:09,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71703c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:21:09, skipping insertion in model container [2024-10-24 18:21:09,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:21:06" (2/3) ... [2024-10-24 18:21:09,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71703c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:21:09, skipping insertion in model container [2024-10-24 18:21:09,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:21:09" (3/3) ... [2024-10-24 18:21:09,564 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2024-10-24 18:21:09,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 18:21:09,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2024-10-24 18:21:09,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 18:21:09,653 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;@6038fe42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 18:21:09,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2024-10-24 18:21:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 548 states, 288 states have (on average 1.8229166666666667) internal successors, (525), 443 states have internal predecessors, (525), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-24 18:21:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-24 18:21:09,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 18:21:09,669 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 18:21:09,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-10-24 18:21:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 18:21:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash -518596889, now seen corresponding path program 1 times [2024-10-24 18:21:09,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 18:21:09,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583600897] [2024-10-24 18:21:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 18:21:09,687 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 18:21:09,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 18:21:09,690 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 18:21:09,714 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 18:21:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 18:21:10,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 18:21:10,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 18:21:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 18:21:10,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 18:21:10,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 18:21:10,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583600897] [2024-10-24 18:21:10,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583600897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 18:21:10,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 18:21:10,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 18:21:10,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498628302] [2024-10-24 18:21:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 18:21:10,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 18:21:10,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 18:21:10,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 18:21:10,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 18:21:10,250 INFO L87 Difference]: Start difference. First operand has 548 states, 288 states have (on average 1.8229166666666667) internal successors, (525), 443 states have internal predecessors, (525), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 18:21:13,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 18:21:13,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 18:21:13,399 INFO L93 Difference]: Finished difference Result 546 states and 685 transitions. [2024-10-24 18:21:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 18:21:13,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-10-24 18:21:13,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 18:21:13,412 INFO L225 Difference]: With dead ends: 546 [2024-10-24 18:21:13,413 INFO L226 Difference]: Without dead ends: 540 [2024-10-24 18:21:13,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 18:21:13,416 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-24 18:21:13,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 614 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-24 18:21:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-24 18:21:13,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-10-24 18:21:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 286 states have (on average 1.8006993006993006) internal successors, (515), 435 states have internal predecessors, (515), 81 states have call successors, (81), 28 states have call predecessors, (81), 27 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-24 18:21:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 675 transitions. [2024-10-24 18:21:13,479 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 675 transitions. Word has length 60 [2024-10-24 18:21:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 18:21:13,479 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 675 transitions. [2024-10-24 18:21:13,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 18:21:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 675 transitions. [2024-10-24 18:21:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-24 18:21:13,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 18:21:13,481 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 18:21:13,493 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 18:21:13,685 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 18:21:13,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-10-24 18:21:13,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 18:21:13,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1281935855, now seen corresponding path program 1 times [2024-10-24 18:21:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 18:21:13,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705953893] [2024-10-24 18:21:13,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 18:21:13,690 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 18:21:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 18:21:13,693 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) [2024-10-24 18:21:13,694 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 [2024-10-24 18:21:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 18:21:15,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-24 18:21:15,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 18:21:16,358 INFO L349 Elim1Store]: treesize reduction 1610, result has 4.2 percent of original size [2024-10-24 18:21:16,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 46 case distinctions, treesize of input 221 treesize of output 246 [2024-10-24 18:21:18,255 INFO L349 Elim1Store]: treesize reduction 1610, result has 4.2 percent of original size [2024-10-24 18:21:18,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 46 case distinctions, treesize of input 221 treesize of output 246 [2024-10-24 18:21:20,273 INFO L349 Elim1Store]: treesize reduction 1902, result has 3.6 percent of original size [2024-10-24 18:21:20,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 45 case distinctions, treesize of input 226 treesize of output 246 [2024-10-24 18:21:21,636 INFO L349 Elim1Store]: treesize reduction 1610, result has 4.2 percent of original size [2024-10-24 18:21:21,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 45 case distinctions, treesize of input 221 treesize of output 246