./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.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_BER_test3-1.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 eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:51:39,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:51:39,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:51:39,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:51:39,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:51:39,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:51:39,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:51:39,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:51:39,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:51:39,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:51:39,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:51:39,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:51:39,793 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:51:39,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:51:39,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:51:39,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:51:39,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:51:39,794 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 -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2025-02-08 05:51:40,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:51:40,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:51:40,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:51:40,023 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:51:40,023 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:51:40,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-02-08 05:51:41,200 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ef046f5c/70f4ab15e84b4171b80184b094b88303/FLAG01138231c [2025-02-08 05:51:41,485 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:51:41,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-02-08 05:51:41,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ef046f5c/70f4ab15e84b4171b80184b094b88303/FLAG01138231c [2025-02-08 05:51:41,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ef046f5c/70f4ab15e84b4171b80184b094b88303 [2025-02-08 05:51:41,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:51:41,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:51:41,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:51:41,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:51:41,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:51:41,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:51:41" (1/1) ... [2025-02-08 05:51:41,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4a6b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:41, skipping insertion in model container [2025-02-08 05:51:41,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:51:41" (1/1) ... [2025-02-08 05:51:41,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:51:42,047 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 05:51:42,076 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,080 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 05:51:42,083 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,089 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 05:51:42,122 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,123 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,125 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,125 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,128 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 05:51:42,130 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,131 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,133 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:42,136 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 05:51:42,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:51:42,159 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 05:51:42,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2873f498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:42, skipping insertion in model container [2025-02-08 05:51:42,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:51:42,160 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 05:51:42,164 INFO L158 Benchmark]: Toolchain (without parser) took 392.97ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 85.5MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:51:42,165 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:51:42,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.43ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 85.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:51:42,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.43ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 85.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 747]: 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_BER_test3-1.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 eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:51:44,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:51:44,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 05:51:44,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:51:44,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:51:44,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:51:44,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:51:44,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:51:44,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:51:44,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:51:44,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:51:44,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:51:44,141 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:51:44,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:51:44,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:51:44,142 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:51:44,143 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:51:44,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:51:44,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:51:44,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:51:44,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:51:44,143 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 -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2025-02-08 05:51:44,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:51:44,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:51:44,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:51:44,412 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:51:44,414 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:51:44,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-02-08 05:51:45,615 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd9f80e2/a66e82fadf614862a482755025b7e1b2/FLAGe3b4c4df5 [2025-02-08 05:51:45,918 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:51:45,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-02-08 05:51:45,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd9f80e2/a66e82fadf614862a482755025b7e1b2/FLAGe3b4c4df5 [2025-02-08 05:51:45,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd9f80e2/a66e82fadf614862a482755025b7e1b2 [2025-02-08 05:51:45,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:51:45,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:51:45,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:51:45,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:51:45,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:51:45,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:51:45" (1/1) ... [2025-02-08 05:51:45,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c8aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:45, skipping insertion in model container [2025-02-08 05:51:45,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:51:45" (1/1) ... [2025-02-08 05:51:45,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:51:46,233 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,267 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,272 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 05:51:46,275 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 05:51:46,282 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,304 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 05:51:46,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,306 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 05:51:46,307 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 05:51:46,308 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 05:51:46,309 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 05:51:46,310 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 05:51:46,310 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 05:51:46,316 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 05:51:46,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:51:46,329 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 05:51:46,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:51:46,351 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 05:51:46,369 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 05:51:46,370 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,371 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 05:51:46,374 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,395 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,395 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,397 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,397 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,401 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 05:51:46,402 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,402 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,403 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:51:46,409 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 05:51:46,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:51:46,418 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:51:46,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:51:46,506 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:51:46,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46 WrapperNode [2025-02-08 05:51:46,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:51:46,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:51:46,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:51:46,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:51:46,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,554 INFO L138 Inliner]: procedures = 180, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1005 [2025-02-08 05:51:46,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:51:46,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:51:46,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:51:46,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:51:46,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,635 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 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 05:51:46,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:51:46,695 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:51:46,695 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:51:46,695 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:51:46,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (1/1) ... [2025-02-08 05:51:46,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:51:46,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:51:46,726 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 05:51:46,735 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 05:51:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 05:51:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 05:51:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 05:51:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 05:51:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 05:51:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 05:51:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:51:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:51:46,913 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:51:46,914 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:51:53,371 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: 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 05:51:53,427 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2025-02-08 05:51:53,428 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:51:53,438 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:51:53,439 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:51:53,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:51:53 BoogieIcfgContainer [2025-02-08 05:51:53,440 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:51:53,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:51:53,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:51:53,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:51:53,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:51:45" (1/3) ... [2025-02-08 05:51:53,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7500477d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:51:53, skipping insertion in model container [2025-02-08 05:51:53,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:51:46" (2/3) ... [2025-02-08 05:51:53,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7500477d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:51:53, skipping insertion in model container [2025-02-08 05:51:53,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:51:53" (3/3) ... [2025-02-08 05:51:53,447 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2025-02-08 05:51:53,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:51:53,457 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test3-1.i that has 6 procedures, 214 locations, 1 initial locations, 38 loop locations, and 2 error locations. [2025-02-08 05:51:53,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:51:53,497 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;@ef2a4fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:51:53,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:51:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 189 states have (on average 1.6666666666666667) internal successors, (315), 198 states have internal predecessors, (315), 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 05:51:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 05:51:53,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:51:53,505 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:51:53,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:51:53,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:51:53,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1973471571, now seen corresponding path program 1 times [2025-02-08 05:51:53,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:51:53,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547578933] [2025-02-08 05:51:53,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:51:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:51:53,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:51:53,523 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 05:51:53,528 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 05:51:53,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 05:51:53,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 05:51:53,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:51:53,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:51:53,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 05:51:53,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:51:53,690 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 05:51:53,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:51:53,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:51:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547578933] [2025-02-08 05:51:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547578933] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:51:53,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:51:53,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:51:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581432988] [2025-02-08 05:51:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:51:53,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 05:51:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:51:53,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 05:51:53,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 05:51:53,709 INFO L87 Difference]: Start difference. First operand has 206 states, 189 states have (on average 1.6666666666666667) internal successors, (315), 198 states have internal predecessors, (315), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 05:51:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:51:53,744 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2025-02-08 05:51:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 05:51:53,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2025-02-08 05:51:53,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:51:53,751 INFO L225 Difference]: With dead ends: 204 [2025-02-08 05:51:53,751 INFO L226 Difference]: Without dead ends: 199 [2025-02-08 05:51:53,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 05:51:53,754 INFO L435 NwaCegarLoop]: 268 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, 268 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 05:51:53,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 05:51:53,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2025-02-08 05:51:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2025-02-08 05:51:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 186 states have (on average 1.3225806451612903) internal successors, (246), 192 states have internal predecessors, (246), 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 05:51:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 259 transitions. [2025-02-08 05:51:53,791 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 259 transitions. Word has length 7 [2025-02-08 05:51:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:51:53,791 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 259 transitions. [2025-02-08 05:51:53,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 05:51:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 259 transitions. [2025-02-08 05:51:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 05:51:53,792 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:51:53,792 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:51:53,803 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 05:51:53,993 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 05:51:53,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:51:53,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:51:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash 687717317, now seen corresponding path program 1 times [2025-02-08 05:51:53,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:51:53,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769709454] [2025-02-08 05:51:53,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:51:53,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:51:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:51:54,000 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 05:51:54,001 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 05:51:54,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 05:51:54,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 05:51:54,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:51:54,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:51:54,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 05:51:54,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:51:54,154 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:51:54,155 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:51:54,156 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:51:54,164 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 05:51:54,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:51:54,211 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 05:51:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:51:54,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:51:54,222 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:51:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769709454] [2025-02-08 05:51:54,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769709454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:51:54,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:51:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:51:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026164469] [2025-02-08 05:51:54,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:51:54,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:51:54,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:51:54,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:51:54,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:51:54,225 INFO L87 Difference]: Start difference. First operand 199 states and 259 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 05:51:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:51:54,676 INFO L93 Difference]: Finished difference Result 384 states and 505 transitions. [2025-02-08 05:51:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:51:54,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 05:51:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:51:54,678 INFO L225 Difference]: With dead ends: 384 [2025-02-08 05:51:54,678 INFO L226 Difference]: Without dead ends: 384 [2025-02-08 05:51:54,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 05:51:54,679 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 231 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 705 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 05:51:54,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 705 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 05:51:54,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-02-08 05:51:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 201. [2025-02-08 05:51:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 188 states have (on average 1.3191489361702127) internal successors, (248), 194 states have internal predecessors, (248), 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 05:51:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 261 transitions. [2025-02-08 05:51:54,693 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 261 transitions. Word has length 9 [2025-02-08 05:51:54,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:51:54,693 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 261 transitions. [2025-02-08 05:51:54,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 05:51:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 261 transitions. [2025-02-08 05:51:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 05:51:54,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:51:54,694 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 05:51:54,700 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 05:51:54,899 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 05:51:54,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:51:54,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:51:54,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1770732983, now seen corresponding path program 1 times [2025-02-08 05:51:54,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:51:54,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2114283179] [2025-02-08 05:51:54,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:51:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:51:54,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:51:54,902 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 05:51:54,903 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 05:51:55,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 05:51:55,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 05:51:55,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:51:55,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:51:55,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:51:55,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:51:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:51:55,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:51:55,417 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:51:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114283179] [2025-02-08 05:51:55,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114283179] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:51:55,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:51:55,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:51:55,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156153628] [2025-02-08 05:51:55,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:51:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:51:55,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:51:55,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:51:55,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:51:55,419 INFO L87 Difference]: Start difference. First operand 201 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 05:51:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:51:55,939 INFO L93 Difference]: Finished difference Result 307 states and 401 transitions. [2025-02-08 05:51:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:51:55,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 64 [2025-02-08 05:51:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:51:55,942 INFO L225 Difference]: With dead ends: 307 [2025-02-08 05:51:55,943 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 05:51:55,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 05:51:55,944 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 100 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 05:51:55,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 535 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 05:51:55,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 05:51:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 304. [2025-02-08 05:51:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 291 states have (on average 1.3230240549828178) internal successors, (385), 297 states have internal predecessors, (385), 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 05:51:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 398 transitions. [2025-02-08 05:51:55,964 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 398 transitions. Word has length 64 [2025-02-08 05:51:55,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:51:55,964 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 398 transitions. [2025-02-08 05:51:55,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 05:51:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 398 transitions. [2025-02-08 05:51:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 05:51:55,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:51:55,966 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] [2025-02-08 05:51:55,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 05:51:56,166 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 05:51:56,166 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:51:56,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:51:56,167 INFO L85 PathProgramCache]: Analyzing trace with hash -739257162, now seen corresponding path program 1 times [2025-02-08 05:51:56,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:51:56,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617279125] [2025-02-08 05:51:56,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:51:56,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:51:56,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:51:56,171 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 05:51:56,175 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 05:51:56,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 05:51:56,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 05:51:56,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:51:56,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:51:56,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:51:56,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:51:56,627 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 05:51:56,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:51:56,627 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:51:56,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617279125] [2025-02-08 05:51:56,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617279125] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:51:56,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:51:56,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:51:56,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992061195] [2025-02-08 05:51:56,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:51:56,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:51:56,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:51:56,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:51:56,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:51:56,629 INFO L87 Difference]: Start difference. First operand 304 states and 398 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 05:52:00,908 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 05:52:04,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:52:06,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:52:07,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:07,968 INFO L93 Difference]: Finished difference Result 400 states and 526 transitions. [2025-02-08 05:52:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:52:07,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 79 [2025-02-08 05:52:07,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:07,971 INFO L225 Difference]: With dead ends: 400 [2025-02-08 05:52:07,971 INFO L226 Difference]: Without dead ends: 400 [2025-02-08 05:52:07,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 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 05:52:07,972 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 488 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2025-02-08 05:52:07,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 471 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2025-02-08 05:52:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-02-08 05:52:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 388. [2025-02-08 05:52:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 375 states have (on average 1.3226666666666667) internal successors, (496), 381 states have internal predecessors, (496), 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 05:52:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 509 transitions. [2025-02-08 05:52:07,991 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 509 transitions. Word has length 79 [2025-02-08 05:52:07,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:07,992 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 509 transitions. [2025-02-08 05:52:07,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 05:52:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 509 transitions. [2025-02-08 05:52:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 05:52:07,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:07,994 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] [2025-02-08 05:52:08,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 05:52:08,196 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 05:52:08,196 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:08,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:08,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1554792192, now seen corresponding path program 1 times [2025-02-08 05:52:08,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:08,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141086316] [2025-02-08 05:52:08,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:52:08,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:08,200 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 05:52:08,201 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 05:52:08,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 05:52:08,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 05:52:08,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:52:08,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:08,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:52:08,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:08,546 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 05:52:08,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:52:08,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:08,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141086316] [2025-02-08 05:52:08,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141086316] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:52:08,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:52:08,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:52:08,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237104815] [2025-02-08 05:52:08,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:52:08,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:52:08,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:08,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:52:08,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:52:08,548 INFO L87 Difference]: Start difference. First operand 388 states and 509 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:08,645 INFO L93 Difference]: Finished difference Result 394 states and 499 transitions. [2025-02-08 05:52:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:52:08,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-02-08 05:52:08,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:08,647 INFO L225 Difference]: With dead ends: 394 [2025-02-08 05:52:08,647 INFO L226 Difference]: Without dead ends: 394 [2025-02-08 05:52:08,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 05:52:08,647 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 30 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 671 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 05:52:08,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 671 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:52:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-02-08 05:52:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2025-02-08 05:52:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 381 states have (on average 1.2755905511811023) internal successors, (486), 387 states have internal predecessors, (486), 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 05:52:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 499 transitions. [2025-02-08 05:52:08,655 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 499 transitions. Word has length 85 [2025-02-08 05:52:08,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:08,655 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 499 transitions. [2025-02-08 05:52:08,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2025-02-08 05:52:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 05:52:08,656 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:08,656 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] [2025-02-08 05:52:08,668 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 05:52:08,856 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 05:52:08,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:08,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:08,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1074103641, now seen corresponding path program 1 times [2025-02-08 05:52:08,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:08,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781609517] [2025-02-08 05:52:08,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:52:08,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:08,861 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 05:52:08,862 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 05:52:09,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 05:52:09,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 05:52:09,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:52:09,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:09,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:52:09,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 05:52:09,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:52:09,203 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781609517] [2025-02-08 05:52:09,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781609517] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:52:09,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:52:09,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:52:09,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207221153] [2025-02-08 05:52:09,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:52:09,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:52:09,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:09,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:52:09,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:52:09,204 INFO L87 Difference]: Start difference. First operand 394 states and 499 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:09,253 INFO L93 Difference]: Finished difference Result 397 states and 503 transitions. [2025-02-08 05:52:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:52:09,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-02-08 05:52:09,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:09,256 INFO L225 Difference]: With dead ends: 397 [2025-02-08 05:52:09,256 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 05:52:09,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 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 05:52:09,256 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 731 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 05:52:09,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 731 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 05:52:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 05:52:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-02-08 05:52:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 383 states have (on average 1.276762402088773) internal successors, (489), 390 states have internal predecessors, (489), 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 05:52:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 503 transitions. [2025-02-08 05:52:09,264 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 503 transitions. Word has length 85 [2025-02-08 05:52:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:09,264 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 503 transitions. [2025-02-08 05:52:09,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 503 transitions. [2025-02-08 05:52:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 05:52:09,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:09,265 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] [2025-02-08 05:52:09,277 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 05:52:09,469 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 05:52:09,469 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:09,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1968666165, now seen corresponding path program 1 times [2025-02-08 05:52:09,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:09,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232237030] [2025-02-08 05:52:09,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:52:09,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:09,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:09,472 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 05:52:09,473 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 05:52:09,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 05:52:09,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 05:52:09,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:52:09,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:09,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 05:52:09,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:09,824 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 05:52:09,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:52:09,880 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 05:52:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 05:52:09,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:52:09,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:09,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232237030] [2025-02-08 05:52:09,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232237030] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:52:09,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:52:09,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:52:09,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280240296] [2025-02-08 05:52:09,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:52:09,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:52:09,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:09,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:52:09,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:52:09,895 INFO L87 Difference]: Start difference. First operand 397 states and 503 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:10,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:10,343 INFO L93 Difference]: Finished difference Result 540 states and 689 transitions. [2025-02-08 05:52:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:52:10,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 87 [2025-02-08 05:52:10,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:10,346 INFO L225 Difference]: With dead ends: 540 [2025-02-08 05:52:10,346 INFO L226 Difference]: Without dead ends: 540 [2025-02-08 05:52:10,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 05:52:10,346 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 203 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 05:52:10,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 721 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 05:52:10,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-08 05:52:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 399. [2025-02-08 05:52:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 385 states have (on average 1.2753246753246754) internal successors, (491), 392 states have internal predecessors, (491), 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 05:52:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 505 transitions. [2025-02-08 05:52:10,354 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 505 transitions. Word has length 87 [2025-02-08 05:52:10,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:10,355 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 505 transitions. [2025-02-08 05:52:10,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:52:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 505 transitions. [2025-02-08 05:52:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-08 05:52:10,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:10,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:10,368 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 05:52:10,557 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 05:52:10,558 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:10,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1750649759, now seen corresponding path program 1 times [2025-02-08 05:52:10,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:10,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662154968] [2025-02-08 05:52:10,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:52:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:10,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:10,561 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 05:52:10,562 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 05:52:10,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-08 05:52:10,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-08 05:52:10,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:52:10,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:10,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:52:10,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 05:52:10,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:52:10,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:10,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662154968] [2025-02-08 05:52:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662154968] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:52:10,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:52:10,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:52:10,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867755120] [2025-02-08 05:52:10,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:52:10,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:52:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:10,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:52:10,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:52:10,948 INFO L87 Difference]: Start difference. First operand 399 states and 505 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 05:52:11,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:11,033 INFO L93 Difference]: Finished difference Result 408 states and 490 transitions. [2025-02-08 05:52:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:52:11,033 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 126 [2025-02-08 05:52:11,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:11,035 INFO L225 Difference]: With dead ends: 408 [2025-02-08 05:52:11,035 INFO L226 Difference]: Without dead ends: 408 [2025-02-08 05:52:11,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 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 05:52:11,036 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 30 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 638 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 05:52:11,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 638 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:52:11,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-08 05:52:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-02-08 05:52:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 394 states have (on average 1.2081218274111676) internal successors, (476), 401 states have internal predecessors, (476), 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 05:52:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 490 transitions. [2025-02-08 05:52:11,043 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 490 transitions. Word has length 126 [2025-02-08 05:52:11,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:11,044 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 490 transitions. [2025-02-08 05:52:11,044 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 05:52:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 490 transitions. [2025-02-08 05:52:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-08 05:52:11,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:11,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:11,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 05:52:11,250 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 05:52:11,250 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:11,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash 615134200, now seen corresponding path program 1 times [2025-02-08 05:52:11,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:11,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631149838] [2025-02-08 05:52:11,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:52:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:11,253 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 05:52:11,254 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 05:52:11,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-08 05:52:11,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-08 05:52:11,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:52:11,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:11,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:52:11,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 05:52:11,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:52:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 05:52:11,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:11,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631149838] [2025-02-08 05:52:11,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631149838] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:52:11,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:52:11,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 05:52:11,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648097591] [2025-02-08 05:52:11,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:52:11,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:52:11,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:11,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:52:11,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:52:11,698 INFO L87 Difference]: Start difference. First operand 408 states and 490 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:52:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:11,797 INFO L93 Difference]: Finished difference Result 419 states and 507 transitions. [2025-02-08 05:52:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:52:11,798 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 126 [2025-02-08 05:52:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:11,799 INFO L225 Difference]: With dead ends: 419 [2025-02-08 05:52:11,799 INFO L226 Difference]: Without dead ends: 419 [2025-02-08 05:52:11,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 244 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 05:52:11,800 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 5 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:52:11,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 926 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:52:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-02-08 05:52:11,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 417. [2025-02-08 05:52:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 402 states have (on average 1.2189054726368158) internal successors, (490), 409 states have internal predecessors, (490), 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 05:52:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 505 transitions. [2025-02-08 05:52:11,808 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 505 transitions. Word has length 126 [2025-02-08 05:52:11,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:11,808 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 505 transitions. [2025-02-08 05:52:11,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:52:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 505 transitions. [2025-02-08 05:52:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 05:52:11,809 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:11,809 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 05:52:11,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 05:52:12,010 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 05:52:12,010 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:12,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:12,011 INFO L85 PathProgramCache]: Analyzing trace with hash 805703732, now seen corresponding path program 2 times [2025-02-08 05:52:12,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:12,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [918336129] [2025-02-08 05:52:12,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:52:12,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:12,013 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 05:52:12,015 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 05:52:12,259 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-02-08 05:52:12,458 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 05:52:12,458 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:52:12,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:12,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 05:52:12,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:12,567 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 05:52:12,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:52:12,704 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 05:52:12,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918336129] [2025-02-08 05:52:12,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918336129] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:52:12,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:52:12,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 05:52:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463844137] [2025-02-08 05:52:12,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:52:12,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 05:52:12,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:12,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 05:52:12,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 05:52:12,706 INFO L87 Difference]: Start difference. First operand 417 states and 505 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 05:52:12,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:52:12,911 INFO L93 Difference]: Finished difference Result 425 states and 515 transitions. [2025-02-08 05:52:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 05:52:12,912 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 05:52:12,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:52:12,913 INFO L225 Difference]: With dead ends: 425 [2025-02-08 05:52:12,913 INFO L226 Difference]: Without dead ends: 423 [2025-02-08 05:52:12,913 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 05:52:12,914 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 6 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:52:12,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1165 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:52:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-02-08 05:52:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 421. [2025-02-08 05:52:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 406 states have (on average 1.2216748768472907) internal successors, (496), 413 states have internal predecessors, (496), 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 05:52:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 510 transitions. [2025-02-08 05:52:12,921 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 510 transitions. Word has length 130 [2025-02-08 05:52:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:52:12,921 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 510 transitions. [2025-02-08 05:52:12,921 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 05:52:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 510 transitions. [2025-02-08 05:52:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 05:52:12,922 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:52:12,922 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 05:52:12,936 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 05:52:13,122 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 05:52:13,123 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:52:13,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:52:13,123 INFO L85 PathProgramCache]: Analyzing trace with hash 998117236, now seen corresponding path program 3 times [2025-02-08 05:52:13,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:52:13,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810868737] [2025-02-08 05:52:13,124 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:52:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:52:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:52:13,126 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 05:52:13,127 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 05:52:13,373 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 134 statements into 6 equivalence classes. [2025-02-08 05:52:13,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 117 of 134 statements. [2025-02-08 05:52:13,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 05:52:13,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:52:13,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 05:52:13,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:52:13,547 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:13,547 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:13,547 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:52:13,548 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 05:52:14,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:52:14,710 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 05:52:14,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:52:14,767 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 05:52:14,788 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 05:52:14,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:52:15,232 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 05:52:15,232 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:52:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810868737] [2025-02-08 05:52:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810868737] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:52:15,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:52:15,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 05:52:15,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570446760] [2025-02-08 05:52:15,232 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:52:15,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 05:52:15,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:52:15,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 05:52:15,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 05:52:15,233 INFO L87 Difference]: Start difference. First operand 421 states and 510 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 05:52:19,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:52:23,725 WARN L539 Checker$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 05:52:27,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:52:32,088 WARN L539 Checker$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 05:52:36,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:52:40,232 WARN L539 Checker$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 05:52:44,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:52:48,346 WARN L539 Checker$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 05:52:52,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:52:56,478 WARN L539 Checker$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 05:53:00,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:53:04,617 WARN L539 Checker$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 05:53:08,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:53:12,681 WARN L539 Checker$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 05:53:16,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:53:21,047 WARN L539 Checker$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 05:53:21,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:53:21,077 INFO L93 Difference]: Finished difference Result 1079 states and 1313 transitions. [2025-02-08 05:53:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 05:53:21,078 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 134 [2025-02-08 05:53:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:53:21,081 INFO L225 Difference]: With dead ends: 1079 [2025-02-08 05:53:21,081 INFO L226 Difference]: Without dead ends: 1079 [2025-02-08 05:53:21,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 253 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-02-08 05:53:21,082 INFO L435 NwaCegarLoop]: 306 mSDtfsCounter, 1214 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 16 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.6s IncrementalHoareTripleChecker+Time [2025-02-08 05:53:21,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 1980 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 187 Invalid, 16 Unknown, 0 Unchecked, 65.6s Time] [2025-02-08 05:53:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2025-02-08 05:53:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 631. [2025-02-08 05:53:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 612 states have (on average 1.2140522875816993) internal successors, (743), 619 states have internal predecessors, (743), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-08 05:53:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 763 transitions. [2025-02-08 05:53:21,092 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 763 transitions. Word has length 134 [2025-02-08 05:53:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:53:21,093 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 763 transitions. [2025-02-08 05:53:21,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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 05:53:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 763 transitions. [2025-02-08 05:53:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2025-02-08 05:53:21,095 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:53:21,095 INFO L218 NwaCegarLoop]: trace histogram [10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2025-02-08 05:53:21,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 05:53:21,299 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 05:53:21,299 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:53:21,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:53:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1370094833, now seen corresponding path program 1 times [2025-02-08 05:53:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:53:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39738911] [2025-02-08 05:53:21,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:53:21,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:53:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:53:21,303 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 05:53:21,304 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 05:53:21,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 299 statements into 1 equivalence classes. [2025-02-08 05:53:22,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 299 of 299 statements. [2025-02-08 05:53:22,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:53:22,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:53:22,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 05:53:22,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:53:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 150 proven. 10 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-02-08 05:53:22,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:53:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 150 proven. 10 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-02-08 05:53:22,406 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:53:22,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39738911] [2025-02-08 05:53:22,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39738911] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:53:22,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:53:22,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-08 05:53:22,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59981874] [2025-02-08 05:53:22,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:53:22,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 05:53:22,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:53:22,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 05:53:22,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2025-02-08 05:53:22,408 INFO L87 Difference]: Start difference. First operand 631 states and 763 transitions. Second operand has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:53:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:53:22,769 INFO L93 Difference]: Finished difference Result 654 states and 798 transitions. [2025-02-08 05:53:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 05:53:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 299 [2025-02-08 05:53:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:53:22,772 INFO L225 Difference]: With dead ends: 654 [2025-02-08 05:53:22,772 INFO L226 Difference]: Without dead ends: 648 [2025-02-08 05:53:22,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2025-02-08 05:53:22,772 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 7 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:53:22,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2311 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:53:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2025-02-08 05:53:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 639. [2025-02-08 05:53:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 620 states have (on average 1.2193548387096773) internal successors, (756), 627 states have internal predecessors, (756), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-08 05:53:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 776 transitions. [2025-02-08 05:53:22,780 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 776 transitions. Word has length 299 [2025-02-08 05:53:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:53:22,780 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 776 transitions. [2025-02-08 05:53:22,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:53:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 776 transitions. [2025-02-08 05:53:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2025-02-08 05:53:22,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:53:22,782 INFO L218 NwaCegarLoop]: trace histogram [16, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2025-02-08 05:53:22,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 05:53:22,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:53:22,983 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:53:22,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:53:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2099713361, now seen corresponding path program 2 times [2025-02-08 05:53:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:53:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61914959] [2025-02-08 05:53:22,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:53:22,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:53:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:53:22,986 INFO L229 MonitoredProcess]: Starting monitored process 14 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 05:53:22,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 05:53:23,392 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 305 statements into 2 equivalence classes. [2025-02-08 05:53:23,830 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 305 of 305 statements. [2025-02-08 05:53:23,830 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:53:23,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:53:23,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 05:53:23,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:53:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:53:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:53:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:53:23,892 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