./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 818ab4b51ffc469b9efe912d5b1ab30cad716c71cf3cb6e9f764a5c73afd2bee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 09:15:30,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 09:15:30,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-03-04 09:15:30,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 09:15:30,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 09:15:30,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 09:15:30,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 09:15:30,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 09:15:30,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 09:15:30,544 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 09:15:30,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 09:15:30,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 09:15:30,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 09:15:30,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 09:15:30,544 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 09:15:30,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 09:15:30,545 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 09:15:30,546 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:15:30,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 09:15:30,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 09:15:30,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 09:15:30,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 09:15:30,547 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/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 -> 818ab4b51ffc469b9efe912d5b1ab30cad716c71cf3cb6e9f764a5c73afd2bee [2025-03-04 09:15:30,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 09:15:30,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 09:15:30,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 09:15:30,771 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 09:15:30,772 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 09:15:30,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2025-03-04 09:15:31,980 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f43fb5/5d99ced33b0343f59200bec1fe2da29e/FLAG1abba2908 [2025-03-04 09:15:32,303 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 09:15:32,303 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2025-03-04 09:15:32,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f43fb5/5d99ced33b0343f59200bec1fe2da29e/FLAG1abba2908 [2025-03-04 09:15:32,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f43fb5/5d99ced33b0343f59200bec1fe2da29e [2025-03-04 09:15:32,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 09:15:32,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 09:15:32,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 09:15:32,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 09:15:32,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 09:15:32,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:15:32" (1/1) ... [2025-03-04 09:15:32,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:32, skipping insertion in model container [2025-03-04 09:15:32,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:15:32" (1/1) ... [2025-03-04 09:15:32,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 09:15:33,338 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,339 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,340 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,343 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,345 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,347 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,348 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,349 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,349 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,353 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,354 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,358 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,362 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,365 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,373 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,375 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,375 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,378 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,378 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,380 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,381 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,392 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,393 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,394 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,395 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,396 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,397 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,397 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,398 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,402 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,406 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,406 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,418 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,425 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,430 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,436 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,444 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:33,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:15:33,477 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) [2025-03-04 09:15:33,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6061ebc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:33, skipping insertion in model container [2025-03-04 09:15:33,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 09:15:33,478 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 09:15:33,479 INFO L158 Benchmark]: Toolchain (without parser) took 930.69ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 72.7MB in the end (delta: 34.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-04 09:15:33,479 INFO L158 Benchmark]: CDTParser took 2.48ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 09:15:33,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 929.06ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 72.7MB in the end (delta: 34.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-04 09:15:33,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 929.06ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 72.7MB in the end (delta: 34.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2392]: 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 818ab4b51ffc469b9efe912d5b1ab30cad716c71cf3cb6e9f764a5c73afd2bee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 09:15:35,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 09:15:35,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2025-03-04 09:15:35,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 09:15:35,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 09:15:35,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 09:15:35,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 09:15:35,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 09:15:35,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 09:15:35,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 09:15:35,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 09:15:35,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 09:15:35,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 09:15:35,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 09:15:35,172 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 09:15:35,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 09:15:35,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 09:15:35,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:15:35,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 09:15:35,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 09:15:35,174 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/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 -> 818ab4b51ffc469b9efe912d5b1ab30cad716c71cf3cb6e9f764a5c73afd2bee [2025-03-04 09:15:35,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 09:15:35,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 09:15:35,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 09:15:35,417 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 09:15:35,417 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 09:15:35,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2025-03-04 09:15:36,575 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f2b9e78/84c4ddd9aaa647e8a6cf021cd93fca06/FLAG751db5c80 [2025-03-04 09:15:36,916 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 09:15:36,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2025-03-04 09:15:36,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f2b9e78/84c4ddd9aaa647e8a6cf021cd93fca06/FLAG751db5c80 [2025-03-04 09:15:36,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f2b9e78/84c4ddd9aaa647e8a6cf021cd93fca06 [2025-03-04 09:15:36,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 09:15:36,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 09:15:36,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 09:15:36,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 09:15:36,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 09:15:36,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:15:36" (1/1) ... [2025-03-04 09:15:36,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20c9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:36, skipping insertion in model container [2025-03-04 09:15:36,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:15:36" (1/1) ... [2025-03-04 09:15:37,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 09:15:37,658 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,660 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,661 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,666 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,668 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,669 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,670 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,670 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,671 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,671 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,672 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,674 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,675 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,680 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,681 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,688 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,690 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,700 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,705 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,706 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,709 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,710 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,715 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,718 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,739 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,740 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,741 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,742 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,743 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,744 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,748 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,749 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,754 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,754 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,755 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,777 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,783 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,789 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,795 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,806 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:15:37,844 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 09:15:37,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 09:15:37,924 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,925 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,926 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,929 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,930 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,931 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,932 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,933 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,933 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,933 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,934 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,935 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,939 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,940 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,941 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,944 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,945 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,947 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,952 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,953 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,958 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,959 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,960 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,963 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,991 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,992 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,993 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,994 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,995 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,997 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,998 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:37,998 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,002 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,006 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,006 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,017 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,023 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,026 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,031 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 09:15:38,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:15:38,050 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 09:15:38,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:15:38,259 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-04 09:15:38,265 INFO L204 MainTranslator]: Completed translation [2025-03-04 09:15:38,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38 WrapperNode [2025-03-04 09:15:38,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 09:15:38,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 09:15:38,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 09:15:38,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 09:15:38,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,384 INFO L138 Inliner]: procedures = 584, calls = 697, calls flagged for inlining = 23, calls inlined = 22, statements flattened = 1676 [2025-03-04 09:15:38,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 09:15:38,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 09:15:38,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 09:15:38,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 09:15:38,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,443 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 09:15:38,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 09:15:38,562 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 09:15:38,563 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 09:15:38,563 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 09:15:38,564 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (1/1) ... [2025-03-04 09:15:38,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:15:38,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:15:38,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 09:15:38,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 09:15:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 09:15:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 09:15:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-04 09:15:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-04 09:15:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 09:15:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-03-04 09:15:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 09:15:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2025-03-04 09:15:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-03-04 09:15:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2025-03-04 09:15:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2025-03-04 09:15:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-04 09:15:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-04 09:15:39,007 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 09:15:39,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 09:15:52,354 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2352: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-03-04 09:15:52,355 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3031: havoc getopt_long_#t~ret238#1; [2025-03-04 09:15:52,355 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2785: call ULTIMATE.dealloc(__main_~#opt_s~0#1.base, __main_~#opt_s~0#1.offset);havoc __main_~#opt_s~0#1.base, __main_~#opt_s~0#1.offset;call ULTIMATE.dealloc(__main_~#pp~1#1.base, __main_~#pp~1#1.offset);havoc __main_~#pp~1#1.base, __main_~#pp~1#1.offset; [2025-03-04 09:15:52,513 INFO L? ?]: Removed 1114 outVars from TransFormulas that were not future-live. [2025-03-04 09:15:52,514 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 09:15:52,559 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 09:15:52,559 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 09:15:52,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:15:52 BoogieIcfgContainer [2025-03-04 09:15:52,560 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 09:15:52,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 09:15:52,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 09:15:52,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 09:15:52,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 09:15:36" (1/3) ... [2025-03-04 09:15:52,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be70edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:15:52, skipping insertion in model container [2025-03-04 09:15:52,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:15:38" (2/3) ... [2025-03-04 09:15:52,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be70edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:15:52, skipping insertion in model container [2025-03-04 09:15:52,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:15:52" (3/3) ... [2025-03-04 09:15:52,568 INFO L128 eAbstractionObserver]: Analyzing ICFG seq-1.i [2025-03-04 09:15:52,582 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 09:15:52,585 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG seq-1.i that has 8 procedures, 1004 locations, 1 initial locations, 31 loop locations, and 430 error locations. [2025-03-04 09:15:52,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 09:15:52,643 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;@27e84d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 09:15:52,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 430 error locations. [2025-03-04 09:15:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 1004 states, 549 states have (on average 2.07103825136612) internal successors, (1137), 979 states have internal predecessors, (1137), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 09:15:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 09:15:52,653 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:15:52,653 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 09:15:52,654 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr360REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:15:52,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:15:52,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1264056, now seen corresponding path program 1 times [2025-03-04 09:15:52,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:15:52,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2099682566] [2025-03-04 09:15:52,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:15:52,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:15:52,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:15:52,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:15:52,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 09:15:52,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 09:15:53,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 09:15:53,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:15:53,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:15:53,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 09:15:53,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:15:53,596 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 [2025-03-04 09:15:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:15:53,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 09:15:53,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:15:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099682566] [2025-03-04 09:15:53,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099682566] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:15:53,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:15:53,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 09:15:53,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122995574] [2025-03-04 09:15:53,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:15:53,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 09:15:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:15:53,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 09:15:53,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:15:53,698 INFO L87 Difference]: Start difference. First operand has 1004 states, 549 states have (on average 2.07103825136612) internal successors, (1137), 979 states have internal predecessors, (1137), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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) [2025-03-04 09:15:57,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 09:16:04,105 INFO L93 Difference]: Finished difference Result 986 states and 1138 transitions. [2025-03-04 09:16:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 09:16:04,107 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 [2025-03-04 09:16:04,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 09:16:04,117 INFO L225 Difference]: With dead ends: 986 [2025-03-04 09:16:04,117 INFO L226 Difference]: Without dead ends: 986 [2025-03-04 09:16:04,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:16:04,120 INFO L435 NwaCegarLoop]: 773 mSDtfsCounter, 392 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2025-03-04 09:16:04,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1224 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 452 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2025-03-04 09:16:04,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2025-03-04 09:16:04,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 822. [2025-03-04 09:16:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 451 states have (on average 2.035476718403548) internal successors, (918), 806 states have internal predecessors, (918), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 09:16:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 943 transitions. [2025-03-04 09:16:04,209 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 943 transitions. Word has length 3 [2025-03-04 09:16:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 09:16:04,210 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 943 transitions. [2025-03-04 09:16:04,210 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) [2025-03-04 09:16:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 943 transitions. [2025-03-04 09:16:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 09:16:04,210 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:16:04,210 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 09:16:04,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 09:16:04,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:04,411 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr361REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:16:04,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:16:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1264057, now seen corresponding path program 1 times [2025-03-04 09:16:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:16:04,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424987741] [2025-03-04 09:16:04,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:16:04,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:04,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:16:04,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:16:04,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 09:16:04,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 09:16:05,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 09:16:05,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:16:05,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:16:05,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 09:16:05,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:16:05,294 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 [2025-03-04 09:16:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:05,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 09:16:05,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:16:05,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424987741] [2025-03-04 09:16:05,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424987741] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:16:05,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:16:05,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 09:16:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974325542] [2025-03-04 09:16:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:16:05,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 09:16:05,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:16:05,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 09:16:05,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:16:05,411 INFO L87 Difference]: Start difference. First operand 822 states and 943 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) [2025-03-04 09:16:09,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 09:16:15,176 INFO L93 Difference]: Finished difference Result 821 states and 942 transitions. [2025-03-04 09:16:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 09:16:15,177 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 [2025-03-04 09:16:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 09:16:15,180 INFO L225 Difference]: With dead ends: 821 [2025-03-04 09:16:15,180 INFO L226 Difference]: Without dead ends: 821 [2025-03-04 09:16:15,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:16:15,180 INFO L435 NwaCegarLoop]: 935 mSDtfsCounter, 10 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2025-03-04 09:16:15,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1507 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2025-03-04 09:16:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2025-03-04 09:16:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2025-03-04 09:16:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 451 states have (on average 2.033259423503326) internal successors, (917), 805 states have internal predecessors, (917), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 09:16:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 942 transitions. [2025-03-04 09:16:15,194 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 942 transitions. Word has length 3 [2025-03-04 09:16:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 09:16:15,194 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 942 transitions. [2025-03-04 09:16:15,194 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) [2025-03-04 09:16:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 942 transitions. [2025-03-04 09:16:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 09:16:15,194 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:16:15,194 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 09:16:15,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 09:16:15,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:15,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr356REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:16:15,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:16:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash -996014019, now seen corresponding path program 1 times [2025-03-04 09:16:15,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:16:15,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445379185] [2025-03-04 09:16:15,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:16:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:16:15,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:16:15,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 09:16:15,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 09:16:16,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 09:16:16,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:16:16,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:16:16,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 09:16:16,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:16:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:16,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 09:16:16,307 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:16:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445379185] [2025-03-04 09:16:16,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445379185] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:16:16,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:16:16,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 09:16:16,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741291920] [2025-03-04 09:16:16,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:16:16,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 09:16:16,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:16:16,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 09:16:16,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:16:16,308 INFO L87 Difference]: Start difference. First operand 821 states and 942 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-03-04 09:16:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 09:16:16,474 INFO L93 Difference]: Finished difference Result 824 states and 946 transitions. [2025-03-04 09:16:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 09:16:16,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-03-04 09:16:16,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 09:16:16,479 INFO L225 Difference]: With dead ends: 824 [2025-03-04 09:16:16,480 INFO L226 Difference]: Without dead ends: 824 [2025-03-04 09:16:16,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:16:16,481 INFO L435 NwaCegarLoop]: 938 mSDtfsCounter, 2 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 09:16:16,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1873 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 09:16:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-03-04 09:16:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 822. [2025-03-04 09:16:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 452 states have (on average 2.0309734513274336) internal successors, (918), 806 states have internal predecessors, (918), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 09:16:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 943 transitions. [2025-03-04 09:16:16,501 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 943 transitions. Word has length 6 [2025-03-04 09:16:16,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 09:16:16,501 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 943 transitions. [2025-03-04 09:16:16,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-03-04 09:16:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 943 transitions. [2025-03-04 09:16:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 09:16:16,504 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:16:16,504 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 09:16:16,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 09:16:16,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:16,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr359REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:16:16,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:16:16,705 INFO L85 PathProgramCache]: Analyzing trace with hash -996013858, now seen corresponding path program 1 times [2025-03-04 09:16:16,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:16:16,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940252033] [2025-03-04 09:16:16,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:16:16,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:16,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:16:16,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:16:16,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 09:16:16,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 09:16:17,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 09:16:17,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:16:17,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:16:17,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 09:16:17,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:16:17,570 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 [2025-03-04 09:16:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:18,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 09:16:18,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:16:18,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940252033] [2025-03-04 09:16:18,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940252033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:16:18,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:16:18,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 09:16:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561006336] [2025-03-04 09:16:18,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:16:18,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 09:16:18,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:16:18,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 09:16:18,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 09:16:18,006 INFO L87 Difference]: Start difference. First operand 822 states and 943 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-03-04 09:16:22,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:26,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 09:16:32,557 INFO L93 Difference]: Finished difference Result 824 states and 945 transitions. [2025-03-04 09:16:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 09:16:32,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2025-03-04 09:16:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 09:16:32,561 INFO L225 Difference]: With dead ends: 824 [2025-03-04 09:16:32,561 INFO L226 Difference]: Without dead ends: 824 [2025-03-04 09:16:32,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 09:16:32,561 INFO L435 NwaCegarLoop]: 933 mSDtfsCounter, 11 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2025-03-04 09:16:32,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1507 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 375 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2025-03-04 09:16:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-03-04 09:16:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 823. [2025-03-04 09:16:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 453 states have (on average 2.0286975717439293) internal successors, (919), 807 states have internal predecessors, (919), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 09:16:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 944 transitions. [2025-03-04 09:16:32,580 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 944 transitions. Word has length 6 [2025-03-04 09:16:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 09:16:32,580 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 944 transitions. [2025-03-04 09:16:32,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-03-04 09:16:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 944 transitions. [2025-03-04 09:16:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 09:16:32,581 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:16:32,581 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 09:16:32,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 09:16:32,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:32,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr356REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:16:32,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:16:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1681369139, now seen corresponding path program 1 times [2025-03-04 09:16:32,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:16:32,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386815622] [2025-03-04 09:16:32,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:16:32,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:32,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:16:32,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:16:32,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 09:16:33,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 09:16:33,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 09:16:33,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:16:33,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:16:33,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 09:16:33,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:16:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:33,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 09:16:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:34,217 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:16:34,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386815622] [2025-03-04 09:16:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386815622] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 09:16:34,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 09:16:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-03-04 09:16:34,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979872608] [2025-03-04 09:16:34,217 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 09:16:34,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 09:16:34,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:16:34,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 09:16:34,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-04 09:16:34,218 INFO L87 Difference]: Start difference. First operand 823 states and 944 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2025-03-04 09:16:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 09:16:34,707 INFO L93 Difference]: Finished difference Result 831 states and 954 transitions. [2025-03-04 09:16:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 09:16:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 9 [2025-03-04 09:16:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 09:16:34,711 INFO L225 Difference]: With dead ends: 831 [2025-03-04 09:16:34,711 INFO L226 Difference]: Without dead ends: 831 [2025-03-04 09:16:34,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-04 09:16:34,712 INFO L435 NwaCegarLoop]: 938 mSDtfsCounter, 6 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 09:16:34,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3743 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 09:16:34,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-04 09:16:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2025-03-04 09:16:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 461 states have (on average 2.015184381778742) internal successors, (929), 815 states have internal predecessors, (929), 15 states have call successors, (15), 7 states have call predecessors, (15), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 09:16:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 954 transitions. [2025-03-04 09:16:34,740 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 954 transitions. Word has length 9 [2025-03-04 09:16:34,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 09:16:34,740 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 954 transitions. [2025-03-04 09:16:34,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2025-03-04 09:16:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 954 transitions. [2025-03-04 09:16:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 09:16:34,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 09:16:34,740 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 09:16:34,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 09:16:34,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:34,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr359REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 427 more)] === [2025-03-04 09:16:34,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:16:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1681369300, now seen corresponding path program 1 times [2025-03-04 09:16:34,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 09:16:34,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511020268] [2025-03-04 09:16:34,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:16:34,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 09:16:34,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:16:34,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 09:16:34,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 09:16:35,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 09:16:35,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 09:16:35,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:16:35,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:16:35,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 09:16:35,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 09:16:35,744 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 [2025-03-04 09:16:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:36,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 09:16:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:16:37,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 09:16:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511020268] [2025-03-04 09:16:37,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511020268] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 09:16:37,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 09:16:37,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-04 09:16:37,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994870098] [2025-03-04 09:16:37,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 09:16:37,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 09:16:37,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 09:16:37,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 09:16:37,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 09:16:37,536 INFO L87 Difference]: Start difference. First operand 831 states and 954 transitions. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 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) [2025-03-04 09:16:41,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:45,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:49,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:53,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:16:57,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 09:17:01,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers []