./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 761f6a548a325ebfeedb8a6e57e55d0e2488d15019fbb7496d03e66b126f2fd8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 00:07:13,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 00:07:13,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-01-10 00:07:13,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 00:07:13,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 00:07:13,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 00:07:13,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 00:07:13,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 00:07:13,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 00:07:13,199 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 00:07:13,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 00:07:13,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 00:07:13,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 00:07:13,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 00:07:13,200 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 00:07:13,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 00:07:13,201 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 00:07:13,202 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 00:07:13,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 00:07:13,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 00:07:13,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 00:07:13,203 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 761f6a548a325ebfeedb8a6e57e55d0e2488d15019fbb7496d03e66b126f2fd8 [2025-01-10 00:07:13,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 00:07:13,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 00:07:13,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 00:07:13,476 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 00:07:13,477 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 00:07:13,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2025-01-10 00:07:14,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bcf8fd5/70f9966f90d04391b282cc25026084c0/FLAGe9e99fc31 [2025-01-10 00:07:15,311 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 00:07:15,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2025-01-10 00:07:15,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bcf8fd5/70f9966f90d04391b282cc25026084c0/FLAGe9e99fc31 [2025-01-10 00:07:15,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bcf8fd5/70f9966f90d04391b282cc25026084c0 [2025-01-10 00:07:15,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 00:07:15,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 00:07:15,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 00:07:15,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 00:07:15,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 00:07:15,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:07:15" (1/1) ... [2025-01-10 00:07:15,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322b4289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:15, skipping insertion in model container [2025-01-10 00:07:15,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:07:15" (1/1) ... [2025-01-10 00:07:15,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 00:07:16,170 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,171 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,175 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,221 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,222 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,223 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,228 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,228 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,229 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,229 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,229 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,230 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,233 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,234 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,237 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,237 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,240 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,240 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,245 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,246 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,246 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,248 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,248 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,250 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,251 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,259 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,260 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,260 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,263 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,264 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,265 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,265 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,267 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,270 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,271 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,271 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,279 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,282 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,285 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,289 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,299 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:16,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 00:07:16,354 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-01-10 00:07:16,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d790b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:16, skipping insertion in model container [2025-01-10 00:07:16,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 00:07:16,355 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-01-10 00:07:16,356 INFO L158 Benchmark]: Toolchain (without parser) took 971.87ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 57.8MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-10 00:07:16,357 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 00:07:16,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.87ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 57.8MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-10 00:07:16,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.87ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 57.8MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2911]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 761f6a548a325ebfeedb8a6e57e55d0e2488d15019fbb7496d03e66b126f2fd8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 00:07:18,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 00:07:18,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2025-01-10 00:07:18,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 00:07:18,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 00:07:18,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 00:07:18,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 00:07:18,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 00:07:18,417 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 00:07:18,417 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 00:07:18,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 00:07:18,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 00:07:18,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 00:07:18,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 00:07:18,419 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 00:07:18,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 00:07:18,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 00:07:18,420 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 00:07:18,421 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 00:07:18,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 00:07:18,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 00:07:18,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 00:07:18,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 00:07:18,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 00:07:18,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-10 00:07:18,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-10 00:07:18,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 00:07:18,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 00:07:18,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 00:07:18,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 00:07:18,423 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 761f6a548a325ebfeedb8a6e57e55d0e2488d15019fbb7496d03e66b126f2fd8 [2025-01-10 00:07:18,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 00:07:18,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 00:07:18,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 00:07:18,704 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 00:07:18,705 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 00:07:18,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2025-01-10 00:07:20,129 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6465b58fb/ef232f7af115428abad81afbc341de98/FLAGb365cc9ab [2025-01-10 00:07:20,563 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 00:07:20,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2025-01-10 00:07:20,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6465b58fb/ef232f7af115428abad81afbc341de98/FLAGb365cc9ab [2025-01-10 00:07:20,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6465b58fb/ef232f7af115428abad81afbc341de98 [2025-01-10 00:07:20,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 00:07:20,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 00:07:20,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 00:07:20,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 00:07:20,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 00:07:20,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:07:20" (1/1) ... [2025-01-10 00:07:20,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdbf8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:20, skipping insertion in model container [2025-01-10 00:07:20,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:07:20" (1/1) ... [2025-01-10 00:07:20,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 00:07:22,033 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,033 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,036 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,072 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,074 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,075 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,076 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,077 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,077 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,078 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,078 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,079 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,081 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,082 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,083 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,084 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,087 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,088 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,092 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,094 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,094 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,097 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,097 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,100 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,101 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,112 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,113 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,114 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,115 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,116 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,117 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,118 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,118 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,122 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,123 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,123 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,129 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,130 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,133 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,140 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,154 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,163 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 00:07:22,207 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-01-10 00:07:22,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 00:07:22,326 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,326 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,328 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,346 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,347 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,349 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,349 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,350 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,351 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,353 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,354 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,355 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,356 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,356 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,358 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,362 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,362 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,363 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,364 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,364 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,365 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,366 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,374 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,378 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,384 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,385 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,386 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,388 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,389 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,390 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,392 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,392 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,392 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,394 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,394 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,396 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,400 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,405 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,410 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-10 00:07:22,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 00:07:22,423 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 00:07:22,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 00:07:22,756 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 00:07:22,761 INFO L204 MainTranslator]: Completed translation [2025-01-10 00:07:22,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22 WrapperNode [2025-01-10 00:07:22,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 00:07:22,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 00:07:22,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 00:07:22,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 00:07:22,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,937 INFO L138 Inliner]: procedures = 654, calls = 848, calls flagged for inlining = 27, calls inlined = 26, statements flattened = 2121 [2025-01-10 00:07:22,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 00:07:22,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 00:07:22,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 00:07:22,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 00:07:22,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,988 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 00:07:22,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:22,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 00:07:23,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 00:07:23,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 00:07:23,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 00:07:23,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (1/1) ... [2025-01-10 00:07:23,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 00:07:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 00:07:23,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 00:07:23,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 00:07:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 00:07:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2025-01-10 00:07:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-01-10 00:07:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 00:07:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2025-01-10 00:07:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2025-01-10 00:07:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2025-01-10 00:07:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2025-01-10 00:07:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 00:07:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 00:07:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2025-01-10 00:07:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 00:07:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 00:07:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-01-10 00:07:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-01-10 00:07:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-01-10 00:07:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 00:07:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 00:07:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure umask [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2025-01-10 00:07:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 00:07:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 00:07:23,724 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 00:07:23,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 00:07:24,466 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-10 00:08:14,813 INFO L? ?]: Removed 1338 outVars from TransFormulas that were not future-live. [2025-01-10 00:08:14,813 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 00:08:14,845 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 00:08:14,851 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2025-01-10 00:08:14,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:08:14 BoogieIcfgContainer [2025-01-10 00:08:14,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 00:08:14,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 00:08:14,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 00:08:14,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 00:08:14,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:07:20" (1/3) ... [2025-01-10 00:08:14,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:08:14, skipping insertion in model container [2025-01-10 00:08:14,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:07:22" (2/3) ... [2025-01-10 00:08:14,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:08:14, skipping insertion in model container [2025-01-10 00:08:14,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:08:14" (3/3) ... [2025-01-10 00:08:14,862 INFO L128 eAbstractionObserver]: Analyzing ICFG mkdir-2.i [2025-01-10 00:08:14,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 00:08:14,879 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mkdir-2.i that has 10 procedures, 1307 locations, 1 initial locations, 39 loop locations, and 545 error locations. [2025-01-10 00:08:14,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 00:08:14,954 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;@ea2eae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 00:08:14,956 INFO L334 AbstractCegarLoop]: Starting to check reachability of 545 error locations. [2025-01-10 00:08:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 1307 states, 724 states have (on average 2.046961325966851) internal successors, (1482), 1271 states have internal predecessors, (1482), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 00:08:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-01-10 00:08:14,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 00:08:14,968 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-01-10 00:08:14,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 542 more)] === [2025-01-10 00:08:14,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 00:08:14,974 INFO L85 PathProgramCache]: Analyzing trace with hash 418120, now seen corresponding path program 1 times [2025-01-10 00:08:14,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-10 00:08:14,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346774703] [2025-01-10 00:08:14,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 00:08:14,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 00:08:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 00:08:14,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 00:08:15,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 00:08:15,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 00:08:16,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 00:08:16,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 00:08:16,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 00:08:16,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 00:08:16,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 00:08:16,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2025-01-10 00:08:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 00:08:16,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 00:08:16,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-10 00:08:16,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346774703] [2025-01-10 00:08:16,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346774703] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 00:08:16,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 00:08:16,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 00:08:16,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936042002] [2025-01-10 00:08:16,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 00:08:16,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 00:08:16,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-10 00:08:16,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 00:08:16,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 00:08:16,842 INFO L87 Difference]: Start difference. First operand has 1307 states, 724 states have (on average 2.046961325966851) internal successors, (1482), 1271 states have internal predecessors, (1482), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 00:08:20,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-10 00:08:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 00:08:56,606 INFO L93 Difference]: Finished difference Result 1312 states and 1515 transitions. [2025-01-10 00:08:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 00:08:56,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-01-10 00:08:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 00:08:56,630 INFO L225 Difference]: With dead ends: 1312 [2025-01-10 00:08:56,630 INFO L226 Difference]: Without dead ends: 1310 [2025-01-10 00:08:56,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 00:08:56,633 INFO L435 NwaCegarLoop]: 1148 mSDtfsCounter, 396 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2025-01-10 00:08:56,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1842 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 582 Invalid, 1 Unknown, 0 Unchecked, 39.6s Time] [2025-01-10 00:08:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states.