./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.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_OAT_test4-3.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 bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:02:00,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:02:00,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 06:02:00,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:02:00,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:02:00,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:02:00,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:02:00,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:02:00,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:02:00,938 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:02:00,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:02:00,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:02:00,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:02:00,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:02:00,940 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:02:00,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:02:00,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:02:00,940 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:02:00,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:02:00,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:02:00,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:02:00,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:02:00,941 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:02:00,942 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:02:00,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:02:00,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:02:00,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:02:00,943 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 -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2025-02-08 06:02:01,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:02:01,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:02:01,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:02:01,233 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:02:01,234 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:02:01,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2025-02-08 06:02:02,618 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/20feec813/cda33628bc5041daadb02e9a3ef56998/FLAG6d86984d9 [2025-02-08 06:02:03,000 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:02:03,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2025-02-08 06:02:03,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/20feec813/cda33628bc5041daadb02e9a3ef56998/FLAG6d86984d9 [2025-02-08 06:02:03,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/20feec813/cda33628bc5041daadb02e9a3ef56998 [2025-02-08 06:02:03,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:02:03,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:02:03,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:02:03,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:02:03,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:02:03,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:02:03" (1/1) ... [2025-02-08 06:02:03,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b74dfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:03, skipping insertion in model container [2025-02-08 06:02:03,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:02:03" (1/1) ... [2025-02-08 06:02:03,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:02:03,443 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,476 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,480 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,483 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,489 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,534 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,536 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,538 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,543 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,551 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,552 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,556 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,557 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,558 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,559 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,563 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,564 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,565 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,565 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,570 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:03,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:02:03,607 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-02-08 06:02:03,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b285c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:03, skipping insertion in model container [2025-02-08 06:02:03,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:02:03,609 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 06:02:03,611 INFO L158 Benchmark]: Toolchain (without parser) took 574.12ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 82.8MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 06:02:03,611 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:02:03,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.59ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 82.8MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 06:02:03,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.59ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 82.8MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 769]: 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_OAT_test4-3.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 bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:02:05,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:02:06,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 06:02:06,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:02:06,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:02:06,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:02:06,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:02:06,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:02:06,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:02:06,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:02:06,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:02:06,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:02:06,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:02:06,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:02:06,059 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:02:06,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:02:06,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 06:02:06,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 06:02:06,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:02:06,062 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:02:06,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:02:06,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:02:06,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:02:06,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:02:06,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:02:06,064 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 -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2025-02-08 06:02:06,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:02:06,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:02:06,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:02:06,383 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:02:06,383 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:02:06,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2025-02-08 06:02:07,752 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1217bd462/818b1b70f26541e896110f160bb50981/FLAGe96cc3bf6 [2025-02-08 06:02:08,053 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:02:08,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2025-02-08 06:02:08,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1217bd462/818b1b70f26541e896110f160bb50981/FLAGe96cc3bf6 [2025-02-08 06:02:08,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1217bd462/818b1b70f26541e896110f160bb50981 [2025-02-08 06:02:08,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:02:08,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:02:08,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:02:08,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:02:08,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:02:08,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:02:08" (1/1) ... [2025-02-08 06:02:08,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53149e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:08, skipping insertion in model container [2025-02-08 06:02:08,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:02:08" (1/1) ... [2025-02-08 06:02:08,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:02:08,589 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,629 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,639 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,643 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,652 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,691 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,694 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,701 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,707 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,721 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,722 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,726 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,727 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,728 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,728 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,733 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,734 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,735 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,735 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,738 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:02:08,766 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 06:02:08,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:02:08,811 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,834 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,840 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,845 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,848 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,884 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,886 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,890 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,894 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,903 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,904 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,906 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,909 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,910 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,910 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,913 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,915 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,916 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,917 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,920 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:02:08,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:02:08,930 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:02:09,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:02:09,090 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:02:09,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09 WrapperNode [2025-02-08 06:02:09,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:02:09,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:02:09,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:02:09,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:02:09,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,255 INFO L138 Inliner]: procedures = 179, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1414 [2025-02-08 06:02:09,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:02:09,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:02:09,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:02:09,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:02:09,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,416 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2025-02-08 06:02:09,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:02:09,521 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:02:09,521 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:02:09,522 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:02:09,523 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (1/1) ... [2025-02-08 06:02:09,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:02:09,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:02:09,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 06:02:09,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 06:02:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 06:02:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 06:02:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 06:02:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 06:02:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 06:02:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 06:02:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 06:02:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 06:02:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 06:02:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 06:02:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 06:02:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 06:02:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 06:02:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:02:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:02:09,867 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:02:09,869 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:02:23,940 INFO L? ?]: Removed 206 outVars from TransFormulas that were not future-live. [2025-02-08 06:02:23,941 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:02:23,956 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:02:23,956 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 06:02:23,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:02:23 BoogieIcfgContainer [2025-02-08 06:02:23,957 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:02:23,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:02:23,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:02:23,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:02:23,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:02:08" (1/3) ... [2025-02-08 06:02:23,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fea62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:02:23, skipping insertion in model container [2025-02-08 06:02:23,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:02:09" (2/3) ... [2025-02-08 06:02:23,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fea62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:02:23, skipping insertion in model container [2025-02-08 06:02:23,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:02:23" (3/3) ... [2025-02-08 06:02:23,969 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2025-02-08 06:02:23,984 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:02:23,985 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test4-3.i that has 4 procedures, 265 locations, 1 initial locations, 45 loop locations, and 2 error locations. [2025-02-08 06:02:24,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:02:24,046 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;@1f471e29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:02:24,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 06:02:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 239 states have (on average 1.6652719665271967) internal successors, (398), 251 states have internal predecessors, (398), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 06:02:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 06:02:24,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:02:24,060 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:02:24,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:02:24,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:02:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1655457737, now seen corresponding path program 1 times [2025-02-08 06:02:24,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:02:24,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680294685] [2025-02-08 06:02:24,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:02:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:02:24,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:02:24,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:02:24,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 06:02:24,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 06:02:24,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 06:02:24,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:02:24,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:02:24,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 06:02:24,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:02:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:02:24,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:02:24,378 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:02:24,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680294685] [2025-02-08 06:02:24,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680294685] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:02:24,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:02:24,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 06:02:24,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953283304] [2025-02-08 06:02:24,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:02:24,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:02:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:02:24,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:02:24,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:02:24,408 INFO L87 Difference]: Start difference. First operand has 261 states, 239 states have (on average 1.6652719665271967) internal successors, (398), 251 states have internal predecessors, (398), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 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 06:02:28,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:32,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:33,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:34,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:02:34,099 INFO L93 Difference]: Finished difference Result 334 states and 463 transitions. [2025-02-08 06:02:34,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:02:34,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 06:02:34,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:02:34,119 INFO L225 Difference]: With dead ends: 334 [2025-02-08 06:02:34,120 INFO L226 Difference]: Without dead ends: 327 [2025-02-08 06:02:34,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:02:34,127 INFO L435 NwaCegarLoop]: 382 mSDtfsCounter, 83 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:02:34,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 707 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2025-02-08 06:02:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2025-02-08 06:02:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 270. [2025-02-08 06:02:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 251 states have (on average 1.3625498007968126) internal successors, (342), 261 states have internal predecessors, (342), 16 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 06:02:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 364 transitions. [2025-02-08 06:02:34,181 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 364 transitions. Word has length 7 [2025-02-08 06:02:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:02:34,181 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 364 transitions. [2025-02-08 06:02:34,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 06:02:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2025-02-08 06:02:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 06:02:34,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:02:34,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:02:34,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 06:02:34,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:02:34,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:02:34,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:02:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1403928018, now seen corresponding path program 1 times [2025-02-08 06:02:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:02:34,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447587462] [2025-02-08 06:02:34,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:02:34,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:02:34,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:02:34,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:02:34,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 06:02:34,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 06:02:34,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 06:02:34,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:02:34,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:02:34,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:02:34,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:02:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:02:34,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:02:34,654 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:02:34,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447587462] [2025-02-08 06:02:34,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447587462] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:02:34,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:02:34,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:02:34,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595701470] [2025-02-08 06:02:34,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:02:34,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:02:34,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:02:34,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:02:34,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:02:34,657 INFO L87 Difference]: Start difference. First operand 270 states and 364 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:02:39,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:43,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:49,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:49,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:02:49,811 INFO L93 Difference]: Finished difference Result 381 states and 502 transitions. [2025-02-08 06:02:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:02:49,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 06:02:49,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:02:49,816 INFO L225 Difference]: With dead ends: 381 [2025-02-08 06:02:49,816 INFO L226 Difference]: Without dead ends: 381 [2025-02-08 06:02:49,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:02:49,817 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 153 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:02:49,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 931 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2025-02-08 06:02:49,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2025-02-08 06:02:49,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2025-02-08 06:02:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 359 states have (on average 1.3203342618384402) internal successors, (474), 369 states have internal predecessors, (474), 19 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 06:02:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 502 transitions. [2025-02-08 06:02:49,839 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 502 transitions. Word has length 9 [2025-02-08 06:02:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:02:49,839 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 502 transitions. [2025-02-08 06:02:49,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:02:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 502 transitions. [2025-02-08 06:02:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 06:02:49,840 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:02:49,840 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:02:49,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 06:02:50,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:02:50,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:02:50,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:02:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash 200201422, now seen corresponding path program 1 times [2025-02-08 06:02:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:02:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007575037] [2025-02-08 06:02:50,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:02:50,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:02:50,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:02:50,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:02:50,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 06:02:50,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 06:02:50,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 06:02:50,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:02:50,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:02:50,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:02:50,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:02:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:02:50,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:02:50,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:02:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007575037] [2025-02-08 06:02:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007575037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:02:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:02:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:02:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362221695] [2025-02-08 06:02:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:02:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:02:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:02:50,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:02:50,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:02:50,306 INFO L87 Difference]: Start difference. First operand 381 states and 502 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:02:54,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:02:58,797 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 [] [2025-02-08 06:03:01,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:01,676 INFO L93 Difference]: Finished difference Result 431 states and 566 transitions. [2025-02-08 06:03:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:01,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2025-02-08 06:03:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:01,680 INFO L225 Difference]: With dead ends: 431 [2025-02-08 06:03:01,681 INFO L226 Difference]: Without dead ends: 427 [2025-02-08 06:03:01,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:01,681 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 120 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:01,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 903 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2025-02-08 06:03:01,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2025-02-08 06:03:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 375. [2025-02-08 06:03:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 353 states have (on average 1.3172804532577904) internal successors, (465), 363 states have internal predecessors, (465), 19 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 06:03:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 493 transitions. [2025-02-08 06:03:01,704 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 493 transitions. Word has length 21 [2025-02-08 06:03:01,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:01,704 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 493 transitions. [2025-02-08 06:03:01,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 493 transitions. [2025-02-08 06:03:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 06:03:01,708 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:01,708 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:01,715 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 06:03:01,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:01,909 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:01,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash 525257100, now seen corresponding path program 1 times [2025-02-08 06:03:01,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:01,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882007107] [2025-02-08 06:03:01,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:01,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:01,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 06:03:02,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 06:03:02,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 06:03:02,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:02,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:02,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 06:03:02,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 06:03:03,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:03,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:03,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882007107] [2025-02-08 06:03:03,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882007107] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:03,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:03,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:03:03,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147080055] [2025-02-08 06:03:03,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:03,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:03,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:03,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:03,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:03,080 INFO L87 Difference]: Start difference. First operand 375 states and 493 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 06:03:07,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:11,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:16,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:20,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:25,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:29,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:31,416 INFO L93 Difference]: Finished difference Result 396 states and 523 transitions. [2025-02-08 06:03:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:31,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 141 [2025-02-08 06:03:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:31,419 INFO L225 Difference]: With dead ends: 396 [2025-02-08 06:03:31,419 INFO L226 Difference]: Without dead ends: 396 [2025-02-08 06:03:31,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:31,420 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 319 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:31,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 767 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 5 Unknown, 0 Unchecked, 28.3s Time] [2025-02-08 06:03:31,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-08 06:03:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 376. [2025-02-08 06:03:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 354 states have (on average 1.3135593220338984) internal successors, (465), 364 states have internal predecessors, (465), 19 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 06:03:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 493 transitions. [2025-02-08 06:03:31,432 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 493 transitions. Word has length 141 [2025-02-08 06:03:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:31,433 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 493 transitions. [2025-02-08 06:03:31,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 06:03:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 493 transitions. [2025-02-08 06:03:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 06:03:31,435 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:31,436 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:31,459 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 06:03:31,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:31,640 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:31,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:31,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1681010109, now seen corresponding path program 1 times [2025-02-08 06:03:31,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:31,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158508394] [2025-02-08 06:03:31,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:31,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:31,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:31,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:31,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 06:03:32,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 06:03:32,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 06:03:32,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:32,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:32,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:03:32,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 06:03:32,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:32,333 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:32,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158508394] [2025-02-08 06:03:32,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158508394] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:32,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:32,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:03:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470760907] [2025-02-08 06:03:32,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:32,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:32,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:32,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:32,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:32,337 INFO L87 Difference]: Start difference. First operand 376 states and 493 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 06:03:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:32,541 INFO L93 Difference]: Finished difference Result 382 states and 483 transitions. [2025-02-08 06:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:03:32,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 143 [2025-02-08 06:03:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:32,544 INFO L225 Difference]: With dead ends: 382 [2025-02-08 06:03:32,544 INFO L226 Difference]: Without dead ends: 382 [2025-02-08 06:03:32,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:32,545 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 30 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:32,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 902 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:03:32,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-08 06:03:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-02-08 06:03:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 360 states have (on average 1.2638888888888888) internal successors, (455), 370 states have internal predecessors, (455), 19 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 06:03:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 483 transitions. [2025-02-08 06:03:32,555 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 483 transitions. Word has length 143 [2025-02-08 06:03:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:32,555 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 483 transitions. [2025-02-08 06:03:32,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 06:03:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 483 transitions. [2025-02-08 06:03:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 06:03:32,558 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:32,558 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:32,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:32,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:32,759 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:32,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash 461587018, now seen corresponding path program 1 times [2025-02-08 06:03:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:32,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254176830] [2025-02-08 06:03:32,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:32,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:32,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:32,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:32,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 06:03:33,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 06:03:33,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 06:03:33,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:33,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:33,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:03:33,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 06:03:33,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:33,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:33,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254176830] [2025-02-08 06:03:33,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254176830] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:33,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:33,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:03:33,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373711177] [2025-02-08 06:03:33,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:33,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:33,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:33,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:33,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:33,401 INFO L87 Difference]: Start difference. First operand 382 states and 483 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:03:33,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:33,613 INFO L93 Difference]: Finished difference Result 388 states and 473 transitions. [2025-02-08 06:03:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:03:33,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (5), 2 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 143 [2025-02-08 06:03:33,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:33,625 INFO L225 Difference]: With dead ends: 388 [2025-02-08 06:03:33,625 INFO L226 Difference]: Without dead ends: 388 [2025-02-08 06:03:33,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:33,626 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 30 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:33,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 869 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:03:33,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-02-08 06:03:33,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2025-02-08 06:03:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 366 states have (on average 1.215846994535519) internal successors, (445), 376 states have internal predecessors, (445), 19 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 06:03:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 473 transitions. [2025-02-08 06:03:33,642 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 473 transitions. Word has length 143 [2025-02-08 06:03:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:33,642 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 473 transitions. [2025-02-08 06:03:33,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:03:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 473 transitions. [2025-02-08 06:03:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 06:03:33,645 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:33,645 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:33,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:33,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:33,846 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:33,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:33,848 INFO L85 PathProgramCache]: Analyzing trace with hash 9534819, now seen corresponding path program 1 times [2025-02-08 06:03:33,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532671493] [2025-02-08 06:03:33,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:33,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:33,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:33,851 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:33,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 06:03:34,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 06:03:34,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 06:03:34,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:34,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:34,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:03:34,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 06:03:34,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:34,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532671493] [2025-02-08 06:03:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532671493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:34,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:34,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:03:34,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245477722] [2025-02-08 06:03:34,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:34,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:34,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:34,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:34,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:34,551 INFO L87 Difference]: Start difference. First operand 388 states and 473 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:03:34,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:34,658 INFO L93 Difference]: Finished difference Result 391 states and 479 transitions. [2025-02-08 06:03:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:34,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2025-02-08 06:03:34,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:34,663 INFO L225 Difference]: With dead ends: 391 [2025-02-08 06:03:34,664 INFO L226 Difference]: Without dead ends: 391 [2025-02-08 06:03:34,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:34,665 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 0 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:34,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 923 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:03:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-02-08 06:03:34,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2025-02-08 06:03:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 368 states have (on average 1.2173913043478262) internal successors, (448), 379 states have internal predecessors, (448), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-08 06:03:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 479 transitions. [2025-02-08 06:03:34,681 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 479 transitions. Word has length 143 [2025-02-08 06:03:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:34,682 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 479 transitions. [2025-02-08 06:03:34,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:03:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 479 transitions. [2025-02-08 06:03:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-08 06:03:34,684 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:34,684 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:34,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 06:03:34,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:34,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:34,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1897418851, now seen corresponding path program 1 times [2025-02-08 06:03:34,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:34,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990299719] [2025-02-08 06:03:34,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:34,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:34,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 06:03:35,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-08 06:03:35,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 06:03:35,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:35,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:35,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:03:35,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-08 06:03:36,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:03:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-08 06:03:36,838 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:36,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990299719] [2025-02-08 06:03:36,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990299719] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:03:36,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:03:36,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-02-08 06:03:36,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871715026] [2025-02-08 06:03:36,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:03:36,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:03:36,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:36,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:03:36,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:36,840 INFO L87 Difference]: Start difference. First operand 391 states and 479 transitions. Second operand has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 06:03:37,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:37,397 INFO L93 Difference]: Finished difference Result 763 states and 933 transitions. [2025-02-08 06:03:37,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:03:37,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 147 [2025-02-08 06:03:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:37,402 INFO L225 Difference]: With dead ends: 763 [2025-02-08 06:03:37,402 INFO L226 Difference]: Without dead ends: 763 [2025-02-08 06:03:37,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:37,403 INFO L435 NwaCegarLoop]: 490 mSDtfsCounter, 748 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:37,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1505 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:37,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2025-02-08 06:03:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2025-02-08 06:03:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 731 states have (on average 1.2024623803009575) internal successors, (879), 742 states have internal predecessors, (879), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2025-02-08 06:03:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 933 transitions. [2025-02-08 06:03:37,423 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 933 transitions. Word has length 147 [2025-02-08 06:03:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:37,424 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 933 transitions. [2025-02-08 06:03:37,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 06:03:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 933 transitions. [2025-02-08 06:03:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2025-02-08 06:03:37,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:37,431 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:37,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 06:03:37,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:37,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:37,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:37,633 INFO L85 PathProgramCache]: Analyzing trace with hash -526146768, now seen corresponding path program 1 times [2025-02-08 06:03:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7391811] [2025-02-08 06:03:37,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:37,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:37,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:37,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:37,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 06:03:38,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes.