./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:04:54,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:04:54,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 06:04:54,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:04:54,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:04:54,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:04:54,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:04:54,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:04:54,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:04:54,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:04:54,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:04:54,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:04:54,782 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:04:54,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:04:54,784 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:04:54,784 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:04:54,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:04:54,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:04:54,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:04:54,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:04:54,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:04:54,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:04:54,788 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2025-02-08 06:04:55,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:04:55,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:04:55,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:04:55,195 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:04:55,196 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:04:55,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2025-02-08 06:04:56,420 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a228df3/2ebaacf7170644f891c25b3908e6fb4c/FLAG8040256ea [2025-02-08 06:04:56,854 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:04:56,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2025-02-08 06:04:56,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a228df3/2ebaacf7170644f891c25b3908e6fb4c/FLAG8040256ea [2025-02-08 06:04:57,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a228df3/2ebaacf7170644f891c25b3908e6fb4c [2025-02-08 06:04:57,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:04:57,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:04:57,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:04:57,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:04:57,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:04:57,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:04:57" (1/1) ... [2025-02-08 06:04:57,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d4c241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:04:57, skipping insertion in model container [2025-02-08 06:04:57,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:04:57" (1/1) ... [2025-02-08 06:04:57,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:04:57,331 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,351 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,354 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,356 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,360 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,381 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,382 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,383 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,383 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,385 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,386 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,387 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,388 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,388 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,391 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:04:57,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:04:57,414 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-02-08 06:04:57,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17eac778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:04:57, skipping insertion in model container [2025-02-08 06:04:57,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:04:57,415 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 06:04:57,417 INFO L158 Benchmark]: Toolchain (without parser) took 394.33ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 109.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 06:04:57,417 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:04:57,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.46ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 109.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 06:04:57,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.46ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 109.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 833]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:04:59,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:05:00,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 06:05:00,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:05:00,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:05:00,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:05:00,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:05:00,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:05:00,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:05:00,101 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:05:00,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:05:00,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:05:00,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:05:00,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:05:00,102 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:05:00,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:05:00,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:05:00,102 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:05:00,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:05:00,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:05:00,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:05:00,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:05:00,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:05:00,106 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2025-02-08 06:05:00,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:05:00,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:05:00,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:05:00,345 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:05:00,345 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:05:00,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2025-02-08 06:05:01,586 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e4c817510/20ed36387b4d415388daa7855d592464/FLAG115930b3d [2025-02-08 06:05:01,947 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:05:01,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2025-02-08 06:05:01,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e4c817510/20ed36387b4d415388daa7855d592464/FLAG115930b3d [2025-02-08 06:05:01,982 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e4c817510/20ed36387b4d415388daa7855d592464 [2025-02-08 06:05:01,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:05:01,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:05:01,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:05:01,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:05:01,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:05:01,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:05:01" (1/1) ... [2025-02-08 06:05:01,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fc5ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:01, skipping insertion in model container [2025-02-08 06:05:01,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:05:01" (1/1) ... [2025-02-08 06:05:02,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:05:02,309 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,343 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,346 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,350 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,355 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,377 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,377 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,379 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,379 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,381 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,382 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,383 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,384 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,384 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,388 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:05:02,401 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 06:05:02,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:05:02,437 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,448 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,450 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,451 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,455 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,474 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,475 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,476 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,476 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,480 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,482 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,482 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,483 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,483 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,485 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:05:02,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:05:02,496 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:05:02,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:05:02,612 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:05:02,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02 WrapperNode [2025-02-08 06:05:02,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:05:02,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:05:02,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:05:02,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:05:02,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,681 INFO L138 Inliner]: procedures = 211, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1018 [2025-02-08 06:05:02,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:05:02,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:05:02,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:05:02,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:05:02,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,756 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-02-08 06:05:02,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,780 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:05:02,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:05:02,840 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:05:02,840 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:05:02,842 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (1/1) ... [2025-02-08 06:05:02,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:05:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:02,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 06:05:02,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 06:05:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 06:05:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 06:05:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 06:05:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 06:05:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 06:05:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 06:05:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 06:05:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 06:05:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:05:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:05:03,102 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:05:03,104 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:05:09,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 06:05:09,600 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2025-02-08 06:05:09,600 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:05:09,608 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:05:09,608 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 06:05:09,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:05:09 BoogieIcfgContainer [2025-02-08 06:05:09,608 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:05:09,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:05:09,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:05:09,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:05:09,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:05:01" (1/3) ... [2025-02-08 06:05:09,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3a9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:05:09, skipping insertion in model container [2025-02-08 06:05:09,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:05:02" (2/3) ... [2025-02-08 06:05:09,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3a9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:05:09, skipping insertion in model container [2025-02-08 06:05:09,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:05:09" (3/3) ... [2025-02-08 06:05:09,615 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2025-02-08 06:05:09,624 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:05:09,625 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test2-2.i that has 6 procedures, 218 locations, 1 initial locations, 38 loop locations, and 2 error locations. [2025-02-08 06:05:09,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:05:09,681 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;@7c332680, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:05:09,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 06:05:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 193 states have (on average 1.6632124352331605) internal successors, (321), 202 states have internal predecessors, (321), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 06:05:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 06:05:09,688 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:09,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:09,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:09,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:09,693 INFO L85 PathProgramCache]: Analyzing trace with hash 835621862, now seen corresponding path program 1 times [2025-02-08 06:05:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:09,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118035053] [2025-02-08 06:05:09,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:09,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:09,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 06:05:09,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 06:05:09,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 06:05:09,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:09,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:09,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 06:05:09,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:05:09,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:09,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118035053] [2025-02-08 06:05:09,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118035053] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:09,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:09,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:05:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997745109] [2025-02-08 06:05:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:09,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 06:05:09,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:09,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 06:05:09,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 06:05:09,869 INFO L87 Difference]: Start difference. First operand has 210 states, 193 states have (on average 1.6632124352331605) internal successors, (321), 202 states have internal predecessors, (321), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:09,886 INFO L93 Difference]: Finished difference Result 208 states and 274 transitions. [2025-02-08 06:05:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 06:05:09,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 06:05:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:09,892 INFO L225 Difference]: With dead ends: 208 [2025-02-08 06:05:09,892 INFO L226 Difference]: Without dead ends: 203 [2025-02-08 06:05:09,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 06:05:09,895 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:09,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 06:05:09,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-02-08 06:05:09,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2025-02-08 06:05:09,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 196 states have internal predecessors, (252), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2025-02-08 06:05:09,925 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 10 [2025-02-08 06:05:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:09,925 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2025-02-08 06:05:09,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2025-02-08 06:05:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 06:05:09,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:09,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:09,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 06:05:10,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:10,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:10,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:10,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1225649204, now seen corresponding path program 1 times [2025-02-08 06:05:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:10,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972377470] [2025-02-08 06:05:10,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:10,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:10,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 06:05:10,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 06:05:10,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 06:05:10,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:10,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:10,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:05:10,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:05:10,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:10,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:10,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972377470] [2025-02-08 06:05:10,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972377470] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:10,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:10,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:05:10,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248736299] [2025-02-08 06:05:10,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:10,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:05:10,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:10,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:05:10,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:05:10,305 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:10,729 INFO L93 Difference]: Finished difference Result 329 states and 432 transitions. [2025-02-08 06:05:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:05:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2025-02-08 06:05:10,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:10,731 INFO L225 Difference]: With dead ends: 329 [2025-02-08 06:05:10,731 INFO L226 Difference]: Without dead ends: 329 [2025-02-08 06:05:10,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:05:10,732 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 152 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:10,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 492 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:05:10,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-02-08 06:05:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 294. [2025-02-08 06:05:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.3345195729537367) internal successors, (375), 287 states have internal predecessors, (375), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2025-02-08 06:05:10,745 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 11 [2025-02-08 06:05:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:10,745 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2025-02-08 06:05:10,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2025-02-08 06:05:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 06:05:10,746 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:10,746 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:10,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 06:05:10,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:10,950 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:10,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1225678995, now seen corresponding path program 1 times [2025-02-08 06:05:10,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:10,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224347924] [2025-02-08 06:05:10,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:10,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:10,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:10,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:10,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 06:05:11,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 06:05:11,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 06:05:11,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:11,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:11,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:05:11,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:11,079 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:11,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 39 [2025-02-08 06:05:11,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:05:11,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 06:05:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:05:11,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:11,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224347924] [2025-02-08 06:05:11,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224347924] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:11,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:11,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:05:11,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87564320] [2025-02-08 06:05:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:11,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:11,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:11,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:11,187 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:11,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:11,666 INFO L93 Difference]: Finished difference Result 450 states and 599 transitions. [2025-02-08 06:05:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:05:11,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2025-02-08 06:05:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:11,671 INFO L225 Difference]: With dead ends: 450 [2025-02-08 06:05:11,671 INFO L226 Difference]: Without dead ends: 450 [2025-02-08 06:05:11,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:05:11,671 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 234 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:11,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 723 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:05:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-02-08 06:05:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 293. [2025-02-08 06:05:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 280 states have (on average 1.332142857142857) internal successors, (373), 286 states have internal predecessors, (373), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 386 transitions. [2025-02-08 06:05:11,698 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 386 transitions. Word has length 11 [2025-02-08 06:05:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:11,698 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 386 transitions. [2025-02-08 06:05:11,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:05:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 386 transitions. [2025-02-08 06:05:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 06:05:11,700 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:11,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:11,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 06:05:11,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:11,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:11,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash 298531780, now seen corresponding path program 1 times [2025-02-08 06:05:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019996270] [2025-02-08 06:05:11,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:11,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:11,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:11,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:11,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 06:05:12,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 06:05:12,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 06:05:12,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:12,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:12,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 06:05:12,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:05:12,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:12,401 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:12,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019996270] [2025-02-08 06:05:12,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019996270] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:12,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:12,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:12,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924069077] [2025-02-08 06:05:12,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:12,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:12,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:12,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:12,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:12,404 INFO L87 Difference]: Start difference. First operand 293 states and 386 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:16,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:05:20,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:05:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:22,144 INFO L93 Difference]: Finished difference Result 312 states and 404 transitions. [2025-02-08 06:05:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:05:22,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-02-08 06:05:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:22,148 INFO L225 Difference]: With dead ends: 312 [2025-02-08 06:05:22,148 INFO L226 Difference]: Without dead ends: 312 [2025-02-08 06:05:22,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:05:22,148 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 446 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:22,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 444 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2025-02-08 06:05:22,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-08 06:05:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 244. [2025-02-08 06:05:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 231 states have (on average 1.3073593073593073) internal successors, (302), 237 states have internal predecessors, (302), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 315 transitions. [2025-02-08 06:05:22,155 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 315 transitions. Word has length 81 [2025-02-08 06:05:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:22,155 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 315 transitions. [2025-02-08 06:05:22,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 315 transitions. [2025-02-08 06:05:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 06:05:22,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:22,157 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:22,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 06:05:22,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:22,361 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:22,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:22,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1368804881, now seen corresponding path program 1 times [2025-02-08 06:05:22,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:22,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434117347] [2025-02-08 06:05:22,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:22,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:22,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:22,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:22,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 06:05:22,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 06:05:22,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 06:05:22,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:22,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:22,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:05:22,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 06:05:22,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:22,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:22,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434117347] [2025-02-08 06:05:22,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434117347] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:22,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:22,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:22,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269660202] [2025-02-08 06:05:22,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:22,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:22,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:22,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:22,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:22,746 INFO L87 Difference]: Start difference. First operand 244 states and 315 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:22,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:22,823 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2025-02-08 06:05:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:05:22,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-02-08 06:05:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:22,824 INFO L225 Difference]: With dead ends: 250 [2025-02-08 06:05:22,824 INFO L226 Difference]: Without dead ends: 250 [2025-02-08 06:05:22,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:05:22,825 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 30 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:22,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 683 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:05:22,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-02-08 06:05:22,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2025-02-08 06:05:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 237 states have (on average 1.2320675105485233) internal successors, (292), 243 states have internal predecessors, (292), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2025-02-08 06:05:22,830 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 90 [2025-02-08 06:05:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:22,830 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2025-02-08 06:05:22,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2025-02-08 06:05:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 06:05:22,832 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:22,832 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:22,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 06:05:23,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:23,037 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:23,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:23,038 INFO L85 PathProgramCache]: Analyzing trace with hash 155081048, now seen corresponding path program 1 times [2025-02-08 06:05:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649956205] [2025-02-08 06:05:23,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:23,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:23,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:23,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 06:05:23,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 06:05:23,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 06:05:23,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:23,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:23,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:05:23,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:05:23,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:23,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:23,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649956205] [2025-02-08 06:05:23,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649956205] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:23,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:23,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:23,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708819819] [2025-02-08 06:05:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:23,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:23,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:23,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:23,388 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:27,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:05:31,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:05:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:34,885 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2025-02-08 06:05:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:05:34,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-02-08 06:05:34,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:34,889 INFO L225 Difference]: With dead ends: 252 [2025-02-08 06:05:34,889 INFO L226 Difference]: Without dead ends: 252 [2025-02-08 06:05:34,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:34,890 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 219 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:34,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 456 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2025-02-08 06:05:34,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-02-08 06:05:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 251. [2025-02-08 06:05:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 238 states have (on average 1.23109243697479) internal successors, (293), 244 states have internal predecessors, (293), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:05:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2025-02-08 06:05:34,902 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 90 [2025-02-08 06:05:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:34,902 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2025-02-08 06:05:34,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2025-02-08 06:05:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 06:05:34,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:34,912 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:34,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 06:05:35,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:35,113 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:35,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:35,113 INFO L85 PathProgramCache]: Analyzing trace with hash 155110839, now seen corresponding path program 1 times [2025-02-08 06:05:35,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:35,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525768799] [2025-02-08 06:05:35,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:35,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:35,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:35,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:35,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 06:05:35,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 06:05:35,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 06:05:35,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:35,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:35,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:05:35,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 06:05:35,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:35,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525768799] [2025-02-08 06:05:35,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525768799] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:35,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:35,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:35,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312274730] [2025-02-08 06:05:35,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:35,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:35,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:35,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:35,472 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:35,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:35,508 INFO L93 Difference]: Finished difference Result 254 states and 310 transitions. [2025-02-08 06:05:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:05:35,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-02-08 06:05:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:35,511 INFO L225 Difference]: With dead ends: 254 [2025-02-08 06:05:35,511 INFO L226 Difference]: Without dead ends: 254 [2025-02-08 06:05:35,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:35,512 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 0 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:35,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 743 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 06:05:35,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-08 06:05:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2025-02-08 06:05:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 240 states have (on average 1.2333333333333334) internal successors, (296), 247 states have internal predecessors, (296), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:05:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2025-02-08 06:05:35,517 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 90 [2025-02-08 06:05:35,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:35,517 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2025-02-08 06:05:35,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2025-02-08 06:05:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-08 06:05:35,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:35,518 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:35,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 06:05:35,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:35,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:35,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:35,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1124814043, now seen corresponding path program 1 times [2025-02-08 06:05:35,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:35,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900272553] [2025-02-08 06:05:35,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:35,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:35,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:35,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:35,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 06:05:35,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-08 06:05:36,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 06:05:36,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:36,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:36,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 06:05:36,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 06:05:36,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:05:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 06:05:36,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:36,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900272553] [2025-02-08 06:05:36,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900272553] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:05:36,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:05:36,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 06:05:36,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718119354] [2025-02-08 06:05:36,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:05:36,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 06:05:36,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:36,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 06:05:36,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:05:36,346 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:05:36,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:36,496 INFO L93 Difference]: Finished difference Result 265 states and 327 transitions. [2025-02-08 06:05:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:05:36,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 92 [2025-02-08 06:05:36,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:36,498 INFO L225 Difference]: With dead ends: 265 [2025-02-08 06:05:36,498 INFO L226 Difference]: Without dead ends: 265 [2025-02-08 06:05:36,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 06:05:36,498 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 5 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:36,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 743 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:05:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-02-08 06:05:36,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2025-02-08 06:05:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 248 states have (on average 1.25) internal successors, (310), 255 states have internal predecessors, (310), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 06:05:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 325 transitions. [2025-02-08 06:05:36,504 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 325 transitions. Word has length 92 [2025-02-08 06:05:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:36,504 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 325 transitions. [2025-02-08 06:05:36,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:05:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 325 transitions. [2025-02-08 06:05:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 06:05:36,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:36,505 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:36,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 06:05:36,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:36,706 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:36,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:36,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1337900567, now seen corresponding path program 2 times [2025-02-08 06:05:36,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:36,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785340845] [2025-02-08 06:05:36,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 06:05:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:36,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:36,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 06:05:36,978 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-02-08 06:05:36,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 11 of 96 statements. [2025-02-08 06:05:36,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 06:05:36,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:36,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 06:05:36,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:37,007 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:37,008 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:37,008 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:37,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 39 [2025-02-08 06:05:37,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:05:37,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 06:05:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-02-08 06:05:37,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:37,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:37,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785340845] [2025-02-08 06:05:37,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785340845] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:37,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:37,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:37,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485048340] [2025-02-08 06:05:37,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:37,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:37,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:37,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:37,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:37,077 INFO L87 Difference]: Start difference. First operand 263 states and 325 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:37,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:37,589 INFO L93 Difference]: Finished difference Result 371 states and 470 transitions. [2025-02-08 06:05:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:05:37,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2025-02-08 06:05:37,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:37,591 INFO L225 Difference]: With dead ends: 371 [2025-02-08 06:05:37,591 INFO L226 Difference]: Without dead ends: 371 [2025-02-08 06:05:37,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:05:37,591 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 181 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:37,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 728 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:05:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-02-08 06:05:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 265. [2025-02-08 06:05:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 250 states have (on average 1.248) internal successors, (312), 257 states have internal predecessors, (312), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 06:05:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 327 transitions. [2025-02-08 06:05:37,597 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 327 transitions. Word has length 96 [2025-02-08 06:05:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:37,598 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 327 transitions. [2025-02-08 06:05:37,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 327 transitions. [2025-02-08 06:05:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 06:05:37,599 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:37,599 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:37,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 06:05:37,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:37,799 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:37,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1442984860, now seen corresponding path program 1 times [2025-02-08 06:05:37,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:37,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2049568096] [2025-02-08 06:05:37,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:37,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:37,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:37,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 06:05:38,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 06:05:38,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 06:05:38,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:38,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:38,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:05:38,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-08 06:05:38,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:05:38,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:38,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049568096] [2025-02-08 06:05:38,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049568096] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:05:38,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:05:38,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:05:38,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957875464] [2025-02-08 06:05:38,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:05:38,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:05:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:38,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:05:38,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:05:38,208 INFO L87 Difference]: Start difference. First operand 265 states and 327 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:38,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:38,307 INFO L93 Difference]: Finished difference Result 268 states and 322 transitions. [2025-02-08 06:05:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:05:38,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 130 [2025-02-08 06:05:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:38,309 INFO L225 Difference]: With dead ends: 268 [2025-02-08 06:05:38,309 INFO L226 Difference]: Without dead ends: 268 [2025-02-08 06:05:38,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:05:38,310 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 30 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:38,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 650 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:05:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-08 06:05:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2025-02-08 06:05:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 253 states have (on average 1.2134387351778657) internal successors, (307), 260 states have internal predecessors, (307), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 06:05:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 322 transitions. [2025-02-08 06:05:38,315 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 322 transitions. Word has length 130 [2025-02-08 06:05:38,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:38,315 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 322 transitions. [2025-02-08 06:05:38,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:05:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 322 transitions. [2025-02-08 06:05:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 06:05:38,316 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:38,316 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:38,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 06:05:38,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:38,520 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:38,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash 307469301, now seen corresponding path program 1 times [2025-02-08 06:05:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955040794] [2025-02-08 06:05:38,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:05:38,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:38,525 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:38,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 06:05:38,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 06:05:38,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 06:05:38,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:05:38,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:38,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 06:05:38,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 06:05:39,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:05:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 06:05:39,190 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:39,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955040794] [2025-02-08 06:05:39,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955040794] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:05:39,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:05:39,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 06:05:39,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321952678] [2025-02-08 06:05:39,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:05:39,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:05:39,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:39,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:05:39,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:05:39,192 INFO L87 Difference]: Start difference. First operand 268 states and 322 transitions. Second operand has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:05:39,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:05:39,507 INFO L93 Difference]: Finished difference Result 276 states and 332 transitions. [2025-02-08 06:05:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 06:05:39,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 130 [2025-02-08 06:05:39,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:05:39,509 INFO L225 Difference]: With dead ends: 276 [2025-02-08 06:05:39,509 INFO L226 Difference]: Without dead ends: 274 [2025-02-08 06:05:39,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-08 06:05:39,510 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 5 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:05:39,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 951 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:05:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-08 06:05:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2025-02-08 06:05:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 257 states have (on average 1.2178988326848248) internal successors, (313), 264 states have internal predecessors, (313), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:05:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 327 transitions. [2025-02-08 06:05:39,517 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 327 transitions. Word has length 130 [2025-02-08 06:05:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:05:39,517 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 327 transitions. [2025-02-08 06:05:39,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:05:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2025-02-08 06:05:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 06:05:39,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:05:39,518 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:05:39,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 06:05:39,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:39,719 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:05:39,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:05:39,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1103614411, now seen corresponding path program 2 times [2025-02-08 06:05:39,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:05:39,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068786298] [2025-02-08 06:05:39,720 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 06:05:39,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:05:39,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:05:39,727 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:05:39,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 06:05:40,032 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-08 06:05:40,264 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 06:05:40,264 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 06:05:40,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:05:40,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 06:05:40,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:05:40,299 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:40,299 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:40,300 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:05:40,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 39 [2025-02-08 06:05:41,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:05:41,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 87 [2025-02-08 06:05:42,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:05:42,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 74 [2025-02-08 06:05:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 06:05:42,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:05:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 06:05:42,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:05:42,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068786298] [2025-02-08 06:05:42,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068786298] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:05:42,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:05:42,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 06:05:42,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120799965] [2025-02-08 06:05:42,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:05:42,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 06:05:42,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:05:42,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 06:05:42,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:05:42,630 INFO L87 Difference]: Start difference. First operand 272 states and 327 transitions. Second operand has 12 states, 12 states have (on average 15.333333333333334) internal successors, (184), 12 states have internal predecessors, (184), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:05:46,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:05:51,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:05:55,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:05:59,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:03,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:07,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:11,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:15,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:19,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:23,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:27,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:32,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:36,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:06:40,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]