./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/uname-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc 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/uname-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 ce381cf603602873aa7825ca610797c82dd7f7e7d56006b032fdfc5a2bfa2e82 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:06:09,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:06:09,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-02-06 12:06:09,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:06:09,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:06:09,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:06:09,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:06:09,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:06:09,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:06:09,285 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:06:09,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:06:09,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:06:09,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:06:09,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:06:09,286 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:06:09,287 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:06:09,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:06:09,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:06:09,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:06:09,288 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 -> ce381cf603602873aa7825ca610797c82dd7f7e7d56006b032fdfc5a2bfa2e82 [2025-02-06 12:06:09,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:06:09,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:06:09,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:06:09,518 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:06:09,518 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:06:09,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uname-2.i [2025-02-06 12:06:10,845 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c3ee0fa1/b388aae8669e4a31a302e589d4574245/FLAG44fe74977 [2025-02-06 12:06:11,358 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:06:11,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uname-2.i [2025-02-06 12:06:11,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c3ee0fa1/b388aae8669e4a31a302e589d4574245/FLAG44fe74977 [2025-02-06 12:06:11,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c3ee0fa1/b388aae8669e4a31a302e589d4574245 [2025-02-06 12:06:11,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:06:11,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:06:11,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:06:11,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:06:11,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:06:11,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:06:11" (1/1) ... [2025-02-06 12:06:11,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3d8c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:11, skipping insertion in model container [2025-02-06 12:06:11,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:06:11" (1/1) ... [2025-02-06 12:06:11,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:06:12,055 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,056 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,058 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,061 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,064 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,065 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,066 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,066 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,069 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,070 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,071 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,072 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,074 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,078 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,085 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,085 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,091 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,095 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,104 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,106 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,107 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,108 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,109 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,111 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,112 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,123 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,124 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,125 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,127 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,129 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,131 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,131 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,133 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,138 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,143 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,143 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,156 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,162 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,165 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,171 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,176 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:12,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:06:12,208 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) [2025-02-06 12:06:12,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20a48958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:12, skipping insertion in model container [2025-02-06 12:06:12,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:06:12,209 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-06 12:06:12,211 INFO L158 Benchmark]: Toolchain (without parser) took 815.23ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 64.8MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 12:06:12,211 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:06:12,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.90ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 64.8MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 12:06:12,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.90ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 64.8MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2444]: 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/uname-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 ce381cf603602873aa7825ca610797c82dd7f7e7d56006b032fdfc5a2bfa2e82 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:06:14,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:06:14,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2025-02-06 12:06:14,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:06:14,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:06:14,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:06:14,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:06:14,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:06:14,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:06:14,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:06:14,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:06:14,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:06:14,386 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:06:14,387 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:06:14,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:06:14,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:06:14,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:06:14,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:06:14,388 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 -> ce381cf603602873aa7825ca610797c82dd7f7e7d56006b032fdfc5a2bfa2e82 [2025-02-06 12:06:14,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:06:14,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:06:14,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:06:14,627 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:06:14,630 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:06:14,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uname-2.i [2025-02-06 12:06:16,051 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6065381/6499647b591f47f2895353ea00719c27/FLAG933c2ef0a [2025-02-06 12:06:16,441 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:06:16,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uname-2.i [2025-02-06 12:06:16,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6065381/6499647b591f47f2895353ea00719c27/FLAG933c2ef0a [2025-02-06 12:06:16,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6065381/6499647b591f47f2895353ea00719c27 [2025-02-06 12:06:16,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:06:16,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:06:16,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:06:16,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:06:16,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:06:16,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:06:16" (1/1) ... [2025-02-06 12:06:16,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7864408e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:16, skipping insertion in model container [2025-02-06 12:06:16,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:06:16" (1/1) ... [2025-02-06 12:06:16,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:06:17,057 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,057 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,060 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,064 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,067 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,068 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,069 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,070 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,070 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,071 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,071 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,072 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,074 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,075 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,079 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,079 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,082 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,084 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,088 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,090 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,090 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,093 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,093 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,096 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,097 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,113 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,114 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,116 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,117 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,121 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,122 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,124 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,125 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,131 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,135 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,135 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,154 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,165 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,168 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,182 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,189 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:06:17,262 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-06 12:06:17,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:06:17,340 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,341 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,346 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,352 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,353 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,354 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,356 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,356 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,359 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,360 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,362 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,365 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,367 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,370 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,372 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,374 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,375 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,377 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,377 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,378 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,380 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,390 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,391 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,392 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,393 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,394 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,395 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,395 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,398 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,400 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,403 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,403 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,408 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,412 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,416 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,424 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,429 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 12:06:17,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:06:17,450 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 12:06:17,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:06:17,703 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-02-06 12:06:17,709 INFO L204 MainTranslator]: Completed translation [2025-02-06 12:06:17,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17 WrapperNode [2025-02-06 12:06:17,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:06:17,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 12:06:17,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 12:06:17,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 12:06:17,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,806 INFO L138 Inliner]: procedures = 585, calls = 888, calls flagged for inlining = 24, calls inlined = 22, statements flattened = 1844 [2025-02-06 12:06:17,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 12:06:17,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 12:06:17,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 12:06:17,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 12:06:17,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,834 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 12:06:17,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 12:06:17,973 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 12:06:17,973 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 12:06:17,973 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 12:06:17,974 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (1/1) ... [2025-02-06 12:06:17,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:06:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:06:18,007 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) [2025-02-06 12:06:18,010 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 [2025-02-06 12:06:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 12:06:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2025-02-06 12:06:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-02-06 12:06:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2025-02-06 12:06:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-02-06 12:06:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-02-06 12:06:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 12:06:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-02-06 12:06:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-02-06 12:06:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-02-06 12:06:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-02-06 12:06:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 12:06:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 12:06:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-02-06 12:06:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2025-02-06 12:06:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-02-06 12:06:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-02-06 12:06:18,384 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 12:06:18,386 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 12:06:33,780 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2829: call ULTIMATE.dealloc(__main_~#uname_info~0#1.base, __main_~#uname_info~0#1.offset);havoc __main_~#uname_info~0#1.base, __main_~#uname_info~0#1.offset; [2025-02-06 12:06:33,781 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3053: havoc getopt_long_#t~ret243#1; [2025-02-06 12:06:33,781 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2404: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-02-06 12:06:33,906 INFO L? ?]: Removed 1089 outVars from TransFormulas that were not future-live. [2025-02-06 12:06:33,907 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 12:06:33,932 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 12:06:33,932 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 12:06:33,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:06:33 BoogieIcfgContainer [2025-02-06 12:06:33,933 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 12:06:33,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 12:06:33,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 12:06:33,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 12:06:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:06:16" (1/3) ... [2025-02-06 12:06:33,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787722fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:06:33, skipping insertion in model container [2025-02-06 12:06:33,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:06:17" (2/3) ... [2025-02-06 12:06:33,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787722fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:06:33, skipping insertion in model container [2025-02-06 12:06:33,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:06:33" (3/3) ... [2025-02-06 12:06:33,945 INFO L128 eAbstractionObserver]: Analyzing ICFG uname-2.i [2025-02-06 12:06:33,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 12:06:33,957 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uname-2.i that has 8 procedures, 1010 locations, 1 initial locations, 37 loop locations, and 421 error locations. [2025-02-06 12:06:34,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 12:06:34,018 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;@3cb78400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 12:06:34,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 421 error locations. [2025-02-06 12:06:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 1010 states, 562 states have (on average 2.0284697508896796) internal successors, (1140), 983 states have internal predecessors, (1140), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 12:06:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-06 12:06:34,028 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 12:06:34,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-06 12:06:34,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr351REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 418 more)] === [2025-02-06 12:06:34,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:06:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1267035, now seen corresponding path program 1 times [2025-02-06 12:06:34,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 12:06:34,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330776777] [2025-02-06 12:06:34,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:06:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:06:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:06:34,050 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) [2025-02-06 12:06:34,052 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 [2025-02-06 12:06:40,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 12:06:41,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 12:06:41,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:06:41,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:06:41,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 12:06:41,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 12:06:41,770 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 [2025-02-06 12:06:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:06:42,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 12:06:42,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 12:06:42,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330776777] [2025-02-06 12:06:42,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330776777] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:06:42,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:06:42,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:06:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815932663] [2025-02-06 12:06:42,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:06:42,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:06:42,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 12:06:42,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:06:42,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:06:42,063 INFO L87 Difference]: Start difference. First operand has 1010 states, 562 states have (on average 2.0284697508896796) internal successors, (1140), 983 states have internal predecessors, (1140), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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) [2025-02-06 12:06:46,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 12:06:47,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 12:07:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 12:07:40,846 INFO L93 Difference]: Finished difference Result 997 states and 1150 transitions. [2025-02-06 12:07:40,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:07:40,849 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 [2025-02-06 12:07:40,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 12:07:40,859 INFO L225 Difference]: With dead ends: 997 [2025-02-06 12:07:40,860 INFO L226 Difference]: Without dead ends: 997 [2025-02-06 12:07:40,862 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 [2025-02-06 12:07:40,865 INFO L435 NwaCegarLoop]: 784 mSDtfsCounter, 398 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.6s IncrementalHoareTripleChecker+Time [2025-02-06 12:07:40,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1251 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 58.6s Time] [2025-02-06 12:07:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2025-02-06 12:07:40,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 829. [2025-02-06 12:07:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 464 states have (on average 1.980603448275862) internal successors, (919), 809 states have internal predecessors, (919), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 12:07:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 951 transitions. [2025-02-06 12:07:40,923 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 951 transitions. Word has length 3 [2025-02-06 12:07:40,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 12:07:40,923 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 951 transitions. [2025-02-06 12:07:40,923 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2025-02-06 12:07:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 951 transitions. [2025-02-06 12:07:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-06 12:07:40,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 12:07:40,924 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-06 12:07:40,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 12:07:41,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:07:41,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr352REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 418 more)] === [2025-02-06 12:07:41,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:07:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1267036, now seen corresponding path program 1 times [2025-02-06 12:07:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 12:07:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828314366] [2025-02-06 12:07:41,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:07:41,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:07:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:07:41,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 12:07:41,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 12:07:47,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 12:07:47,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 12:07:47,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:07:47,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:07:48,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 12:07:48,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 12:07:48,422 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 5 [2025-02-06 12:07:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:07:49,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 12:07:49,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 12:07:49,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828314366] [2025-02-06 12:07:49,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828314366] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:07:49,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:07:49,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:07:49,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255751976] [2025-02-06 12:07:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:07:49,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:07:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 12:07:49,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:07:49,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:07:49,225 INFO L87 Difference]: Start difference. First operand 829 states and 951 transitions. 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)