./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:58:31,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:58:31,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:58:31,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:58:31,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:58:31,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:58:31,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:58:31,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:58:31,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:58:31,118 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:58:31,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:58:31,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:58:31,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:58:31,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:58:31,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:58:31,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:58:31,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:58:31,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:58:31,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:58:31,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:58:31,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:58:31,123 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2025-02-08 05:58:31,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:58:31,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:58:31,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:58:31,391 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:58:31,391 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:58:31,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-02-08 05:58:32,698 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/904583ca8/a02c0f10d4c74724ac5c14febefaea74/FLAGa5314b37a [2025-02-08 05:58:33,118 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:58:33,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-02-08 05:58:33,140 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/904583ca8/a02c0f10d4c74724ac5c14febefaea74/FLAGa5314b37a [2025-02-08 05:58:33,158 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/904583ca8/a02c0f10d4c74724ac5c14febefaea74 [2025-02-08 05:58:33,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:58:33,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:58:33,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:58:33,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:58:33,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:58:33,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:58:33" (1/1) ... [2025-02-08 05:58:33,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae90002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:33, skipping insertion in model container [2025-02-08 05:58:33,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:58:33" (1/1) ... [2025-02-08 05:58:33,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:58:33,520 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,562 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,565 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 05:58:33,569 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,574 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,602 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,603 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,606 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,606 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,608 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,609 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,610 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,610 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,614 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,614 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,616 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,620 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,621 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,624 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:33,629 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 05:58:33,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:58:33,654 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-02-08 05:58:33,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e8c4cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:33, skipping insertion in model container [2025-02-08 05:58:33,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:58:33,656 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 05:58:33,657 INFO L158 Benchmark]: Toolchain (without parser) took 495.10ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 99.3MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:58:33,658 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:58:33,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.10ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 99.3MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:58:33,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.10ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 99.3MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 747]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:58:35,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:58:35,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 05:58:35,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:58:35,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:58:35,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:58:35,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:58:35,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:58:35,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:58:35,887 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:58:35,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:58:35,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:58:35,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:58:35,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:58:35,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:58:35,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:58:35,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:58:35,891 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:58:35,892 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:58:35,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:58:35,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:58:35,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:58:35,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:58:35,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:58:35,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:58:35,893 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2025-02-08 05:58:36,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:58:36,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:58:36,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:58:36,193 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:58:36,195 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:58:36,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-02-08 05:58:37,537 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d6b23f65/3b90dca2d36a479590b3fa6d49ebfc00/FLAG383457d01 [2025-02-08 05:58:37,910 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:58:37,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-02-08 05:58:37,935 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d6b23f65/3b90dca2d36a479590b3fa6d49ebfc00/FLAG383457d01 [2025-02-08 05:58:37,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d6b23f65/3b90dca2d36a479590b3fa6d49ebfc00 [2025-02-08 05:58:37,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:58:37,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:58:37,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:58:37,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:58:37,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:58:37,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:58:37" (1/1) ... [2025-02-08 05:58:37,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485928ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:37, skipping insertion in model container [2025-02-08 05:58:37,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:58:37" (1/1) ... [2025-02-08 05:58:38,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:58:38,333 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,376 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,381 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,384 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,390 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,419 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,420 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,422 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,422 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,425 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,426 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,427 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,428 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,432 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,433 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,435 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,440 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,441 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,442 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,445 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:58:38,466 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 05:58:38,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:58:38,529 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,543 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 05:58:38,545 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,549 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,552 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 05:58:38,576 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,576 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,578 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,579 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,581 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,585 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,586 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,587 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,592 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,596 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,597 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,598 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,598 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,599 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,604 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:58:38,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:58:38,612 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:58:38,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:58:38,737 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:58:38,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38 WrapperNode [2025-02-08 05:58:38,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:58:38,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:58:38,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:58:38,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:58:38,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,874 INFO L138 Inliner]: procedures = 180, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1156 [2025-02-08 05:58:38,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:58:38,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:58:38,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:58:38,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:58:38,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,991 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2025-02-08 05:58:38,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:38,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:58:39,071 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:58:39,072 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:58:39,072 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:58:39,073 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (1/1) ... [2025-02-08 05:58:39,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:58:39,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:58:39,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:58:39,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 05:58:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 05:58:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 05:58:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 05:58:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 05:58:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 05:58:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:58:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 05:58:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 05:58:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 05:58:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 05:58:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:58:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:58:39,343 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:58:39,346 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:58:46,431 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 05:58:46,534 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2025-02-08 05:58:46,535 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:58:46,551 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:58:46,553 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:58:46,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:58:46 BoogieIcfgContainer [2025-02-08 05:58:46,554 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:58:46,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:58:46,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:58:46,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:58:46,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:58:37" (1/3) ... [2025-02-08 05:58:46,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48796bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:58:46, skipping insertion in model container [2025-02-08 05:58:46,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:58:38" (2/3) ... [2025-02-08 05:58:46,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48796bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:58:46, skipping insertion in model container [2025-02-08 05:58:46,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:58:46" (3/3) ... [2025-02-08 05:58:46,565 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2025-02-08 05:58:46,577 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:58:46,578 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test3-2.i that has 6 procedures, 243 locations, 1 initial locations, 43 loop locations, and 2 error locations. [2025-02-08 05:58:46,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:58:46,638 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;@664e96da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:58:46,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:58:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 218 states have (on average 1.665137614678899) internal successors, (363), 227 states have internal predecessors, (363), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 05:58:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 05:58:46,654 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:58:46,655 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:58:46,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:58:46,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:58:46,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1680111386, now seen corresponding path program 1 times [2025-02-08 05:58:46,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:58:46,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933877456] [2025-02-08 05:58:46,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:58:46,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:58:46,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:58:46,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 05:58:46,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 05:58:46,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 05:58:46,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:58:46,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:58:46,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 05:58:46,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:58:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:58:46,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:58:46,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:58:46,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933877456] [2025-02-08 05:58:46,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933877456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:58:46,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:58:46,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:58:46,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449390905] [2025-02-08 05:58:46,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:58:46,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 05:58:46,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:58:46,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 05:58:46,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 05:58:46,947 INFO L87 Difference]: Start difference. First operand has 235 states, 218 states have (on average 1.665137614678899) internal successors, (363), 227 states have internal predecessors, (363), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:58:46,982 INFO L93 Difference]: Finished difference Result 233 states and 308 transitions. [2025-02-08 05:58:46,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 05:58:46,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 05:58:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:58:46,994 INFO L225 Difference]: With dead ends: 233 [2025-02-08 05:58:46,995 INFO L226 Difference]: Without dead ends: 228 [2025-02-08 05:58:46,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 05:58:47,001 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 05:58:47,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 05:58:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-08 05:58:47,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-08 05:58:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 215 states have (on average 1.330232558139535) internal successors, (286), 221 states have internal predecessors, (286), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:58:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 299 transitions. [2025-02-08 05:58:47,066 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 299 transitions. Word has length 10 [2025-02-08 05:58:47,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:58:47,066 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 299 transitions. [2025-02-08 05:58:47,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 299 transitions. [2025-02-08 05:58:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 05:58:47,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:58:47,069 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:58:47,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 05:58:47,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:47,270 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:58:47,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:58:47,270 INFO L85 PathProgramCache]: Analyzing trace with hash -535803223, now seen corresponding path program 1 times [2025-02-08 05:58:47,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:58:47,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476102852] [2025-02-08 05:58:47,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:58:47,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:47,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:58:47,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:58:47,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 05:58:47,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 05:58:47,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 05:58:47,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:58:47,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:58:47,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:58:47,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:58:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:58:47,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:58:47,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:58:47,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476102852] [2025-02-08 05:58:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476102852] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:58:47,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:58:47,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:58:47,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696709265] [2025-02-08 05:58:47,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:58:47,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:58:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:58:47,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:58:47,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:58:47,605 INFO L87 Difference]: Start difference. First operand 228 states and 299 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:48,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:58:48,466 INFO L93 Difference]: Finished difference Result 378 states and 499 transitions. [2025-02-08 05:58:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:58:48,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2025-02-08 05:58:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:58:48,474 INFO L225 Difference]: With dead ends: 378 [2025-02-08 05:58:48,474 INFO L226 Difference]: Without dead ends: 378 [2025-02-08 05:58:48,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:58:48,475 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 182 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 05:58:48,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 541 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 05:58:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-08 05:58:48,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 342. [2025-02-08 05:58:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 329 states have (on average 1.3404255319148937) internal successors, (441), 335 states have internal predecessors, (441), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:58:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 454 transitions. [2025-02-08 05:58:48,494 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 454 transitions. Word has length 12 [2025-02-08 05:58:48,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:58:48,494 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 454 transitions. [2025-02-08 05:58:48,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 454 transitions. [2025-02-08 05:58:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 05:58:48,495 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:58:48,495 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:58:48,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 05:58:48,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:48,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:58:48,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:58:48,697 INFO L85 PathProgramCache]: Analyzing trace with hash -535773432, now seen corresponding path program 1 times [2025-02-08 05:58:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:58:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792548041] [2025-02-08 05:58:48,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:58:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:58:48,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:58:48,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 05:58:48,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 05:58:48,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 05:58:48,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:58:48,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:58:48,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 05:58:48,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:58:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:58:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:58:48,893 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:58:48,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-08 05:58:48,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:58:48,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 05:58:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:58:49,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:58:49,016 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:58:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792548041] [2025-02-08 05:58:49,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792548041] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:58:49,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:58:49,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:58:49,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51913249] [2025-02-08 05:58:49,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:58:49,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:58:49,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:58:49,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:58:49,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:58:49,018 INFO L87 Difference]: Start difference. First operand 342 states and 454 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:58:49,522 INFO L93 Difference]: Finished difference Result 540 states and 719 transitions. [2025-02-08 05:58:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:58:49,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2025-02-08 05:58:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:58:49,526 INFO L225 Difference]: With dead ends: 540 [2025-02-08 05:58:49,527 INFO L226 Difference]: Without dead ends: 540 [2025-02-08 05:58:49,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:58:49,528 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 268 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 05:58:49,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 825 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 05:58:49,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-08 05:58:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 341. [2025-02-08 05:58:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 328 states have (on average 1.3384146341463414) internal successors, (439), 334 states have internal predecessors, (439), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:58:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2025-02-08 05:58:49,569 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 12 [2025-02-08 05:58:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:58:49,570 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2025-02-08 05:58:49,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:58:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2025-02-08 05:58:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 05:58:49,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:58:49,572 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:58:49,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 05:58:49,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:49,773 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:58:49,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:58:49,774 INFO L85 PathProgramCache]: Analyzing trace with hash -55673832, now seen corresponding path program 1 times [2025-02-08 05:58:49,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:58:49,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642398027] [2025-02-08 05:58:49,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:58:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:58:49,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:58:49,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:58:49,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 05:58:50,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 05:58:50,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 05:58:50,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:58:50,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:58:50,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:58:50,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:58:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:58:50,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:58:50,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:58:50,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642398027] [2025-02-08 05:58:50,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642398027] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:58:50,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:58:50,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:58:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656208879] [2025-02-08 05:58:50,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:58:50,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:58:50,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:58:50,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:58:50,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:58:50,435 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:58:54,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:58:58,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:59:00,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:00,829 INFO L93 Difference]: Finished difference Result 519 states and 689 transitions. [2025-02-08 05:59:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:59:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-02-08 05:59:00,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:00,834 INFO L225 Difference]: With dead ends: 519 [2025-02-08 05:59:00,834 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 05:59:00,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:59:00,835 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 630 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:00,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 595 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2025-02-08 05:59:00,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 05:59:00,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 434. [2025-02-08 05:59:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 421 states have (on average 1.342042755344418) internal successors, (565), 427 states have internal predecessors, (565), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:59:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 578 transitions. [2025-02-08 05:59:00,853 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 578 transitions. Word has length 82 [2025-02-08 05:59:00,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:00,853 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 578 transitions. [2025-02-08 05:59:00,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 578 transitions. [2025-02-08 05:59:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 05:59:00,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:00,855 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:00,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 05:59:01,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:01,056 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:01,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:01,057 INFO L85 PathProgramCache]: Analyzing trace with hash -53668560, now seen corresponding path program 1 times [2025-02-08 05:59:01,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:01,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109133094] [2025-02-08 05:59:01,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:59:01,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:01,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:01,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:01,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 05:59:01,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 05:59:01,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 05:59:01,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:59:01,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:01,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:59:01,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:59:01,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:59:01,505 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109133094] [2025-02-08 05:59:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109133094] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:59:01,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:59:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:59:01,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352988906] [2025-02-08 05:59:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:59:01,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:59:01,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:01,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:59:01,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:59:01,510 INFO L87 Difference]: Start difference. First operand 434 states and 578 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:01,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:01,630 INFO L93 Difference]: Finished difference Result 440 states and 568 transitions. [2025-02-08 05:59:01,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:59:01,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-02-08 05:59:01,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:01,633 INFO L225 Difference]: With dead ends: 440 [2025-02-08 05:59:01,633 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 05:59:01,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:59:01,634 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 30 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:01,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 791 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:59:01,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 05:59:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2025-02-08 05:59:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 427 states have (on average 1.2997658079625294) internal successors, (555), 433 states have internal predecessors, (555), 10 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:59:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 568 transitions. [2025-02-08 05:59:01,646 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 568 transitions. Word has length 85 [2025-02-08 05:59:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:01,648 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 568 transitions. [2025-02-08 05:59:01,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 568 transitions. [2025-02-08 05:59:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 05:59:01,653 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:01,654 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:01,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 05:59:01,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:01,855 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:01,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:01,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1719740023, now seen corresponding path program 1 times [2025-02-08 05:59:01,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:01,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668690945] [2025-02-08 05:59:01,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:59:01,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:01,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:01,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:01,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 05:59:02,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 05:59:02,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 05:59:02,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:59:02,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:02,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:59:02,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 05:59:02,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:59:02,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:02,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668690945] [2025-02-08 05:59:02,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668690945] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:59:02,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:59:02,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:59:02,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228418367] [2025-02-08 05:59:02,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:59:02,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:59:02,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:02,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:59:02,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:59:02,298 INFO L87 Difference]: Start difference. First operand 440 states and 568 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:02,336 INFO L93 Difference]: Finished difference Result 443 states and 572 transitions. [2025-02-08 05:59:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:59:02,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-02-08 05:59:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:02,340 INFO L225 Difference]: With dead ends: 443 [2025-02-08 05:59:02,340 INFO L226 Difference]: Without dead ends: 443 [2025-02-08 05:59:02,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:59:02,341 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 0 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:02,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 851 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 05:59:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-08 05:59:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-02-08 05:59:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 429 states have (on average 1.3006993006993006) internal successors, (558), 436 states have internal predecessors, (558), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 05:59:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 572 transitions. [2025-02-08 05:59:02,351 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 572 transitions. Word has length 85 [2025-02-08 05:59:02,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:02,351 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 572 transitions. [2025-02-08 05:59:02,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 572 transitions. [2025-02-08 05:59:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 05:59:02,353 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:02,353 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:02,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 05:59:02,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:02,554 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:02,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash -179431835, now seen corresponding path program 1 times [2025-02-08 05:59:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:02,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900532693] [2025-02-08 05:59:02,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:59:02,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:02,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:02,558 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:02,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 05:59:02,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 05:59:02,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 05:59:02,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:59:02,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:02,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:59:02,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 05:59:03,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:59:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 05:59:03,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:03,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900532693] [2025-02-08 05:59:03,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900532693] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:59:03,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:59:03,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 05:59:03,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981388816] [2025-02-08 05:59:03,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:59:03,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:59:03,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:03,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:59:03,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:59:03,103 INFO L87 Difference]: Start difference. First operand 443 states and 572 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:59:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:03,223 INFO L93 Difference]: Finished difference Result 454 states and 589 transitions. [2025-02-08 05:59:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:59:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 87 [2025-02-08 05:59:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:03,226 INFO L225 Difference]: With dead ends: 454 [2025-02-08 05:59:03,226 INFO L226 Difference]: Without dead ends: 454 [2025-02-08 05:59:03,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:59:03,226 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 4 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:03,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1132 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:59:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-08 05:59:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2025-02-08 05:59:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 437 states have (on average 1.3089244851258581) internal successors, (572), 444 states have internal predecessors, (572), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 05:59:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 587 transitions. [2025-02-08 05:59:03,237 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 587 transitions. Word has length 87 [2025-02-08 05:59:03,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:03,237 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 587 transitions. [2025-02-08 05:59:03,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:59:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 587 transitions. [2025-02-08 05:59:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 05:59:03,238 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:03,238 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:03,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 05:59:03,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:03,439 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:03,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:03,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1889458775, now seen corresponding path program 2 times [2025-02-08 05:59:03,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:03,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79608488] [2025-02-08 05:59:03,440 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:59:03,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:03,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:03,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:03,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 05:59:03,712 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 91 statements into 2 equivalence classes. [2025-02-08 05:59:03,729 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 91 statements. [2025-02-08 05:59:03,729 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:59:03,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:03,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 05:59:03,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:03,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:03,760 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:03,760 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:03,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-08 05:59:03,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:59:03,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 05:59:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-08 05:59:03,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:59:03,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:03,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79608488] [2025-02-08 05:59:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79608488] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:59:03,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:59:03,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:59:03,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444568546] [2025-02-08 05:59:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:59:03,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:59:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:03,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:59:03,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:59:03,852 INFO L87 Difference]: Start difference. First operand 452 states and 587 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:04,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:04,430 INFO L93 Difference]: Finished difference Result 595 states and 774 transitions. [2025-02-08 05:59:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:59:04,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 91 [2025-02-08 05:59:04,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:04,434 INFO L225 Difference]: With dead ends: 595 [2025-02-08 05:59:04,434 INFO L226 Difference]: Without dead ends: 595 [2025-02-08 05:59:04,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:59:04,434 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 203 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:04,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 841 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 05:59:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-02-08 05:59:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 454. [2025-02-08 05:59:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 439 states have (on average 1.3075170842824602) internal successors, (574), 446 states have internal predecessors, (574), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 05:59:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 589 transitions. [2025-02-08 05:59:04,450 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 589 transitions. Word has length 91 [2025-02-08 05:59:04,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:04,451 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 589 transitions. [2025-02-08 05:59:04,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 589 transitions. [2025-02-08 05:59:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 05:59:04,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:04,454 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:04,463 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 05:59:04,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:04,658 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:04,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:04,658 INFO L85 PathProgramCache]: Analyzing trace with hash -375069733, now seen corresponding path program 1 times [2025-02-08 05:59:04,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:04,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239691882] [2025-02-08 05:59:04,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:59:04,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:04,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:04,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:04,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 05:59:04,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 05:59:05,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 05:59:05,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:59:05,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:05,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:59:05,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-08 05:59:05,211 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:59:05,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239691882] [2025-02-08 05:59:05,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239691882] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:59:05,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:59:05,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:59:05,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209988284] [2025-02-08 05:59:05,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:59:05,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:59:05,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:05,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:59:05,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:59:05,214 INFO L87 Difference]: Start difference. First operand 454 states and 589 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:05,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:05,368 INFO L93 Difference]: Finished difference Result 463 states and 574 transitions. [2025-02-08 05:59:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:59:05,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 130 [2025-02-08 05:59:05,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:05,370 INFO L225 Difference]: With dead ends: 463 [2025-02-08 05:59:05,370 INFO L226 Difference]: Without dead ends: 463 [2025-02-08 05:59:05,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:59:05,371 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 30 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:05,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 758 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:59:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2025-02-08 05:59:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2025-02-08 05:59:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 448 states have (on average 1.2477678571428572) internal successors, (559), 455 states have internal predecessors, (559), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 05:59:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 574 transitions. [2025-02-08 05:59:05,384 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 574 transitions. Word has length 130 [2025-02-08 05:59:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:05,384 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 574 transitions. [2025-02-08 05:59:05,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:59:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 574 transitions. [2025-02-08 05:59:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 05:59:05,386 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:05,386 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:05,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 05:59:05,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:05,587 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:05,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1510585292, now seen corresponding path program 1 times [2025-02-08 05:59:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:05,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646007346] [2025-02-08 05:59:05,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:59:05,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:05,591 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:05,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 05:59:05,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 05:59:06,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 05:59:06,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:59:06,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:06,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 05:59:06,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 05:59:06,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:59:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 05:59:06,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:06,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646007346] [2025-02-08 05:59:06,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646007346] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:59:06,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:59:06,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 05:59:06,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112357239] [2025-02-08 05:59:06,289 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:59:06,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 05:59:06,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:06,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 05:59:06,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 05:59:06,291 INFO L87 Difference]: Start difference. First operand 463 states and 574 transitions. Second operand has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:59:06,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:59:06,627 INFO L93 Difference]: Finished difference Result 471 states and 584 transitions. [2025-02-08 05:59:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 05:59:06,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 130 [2025-02-08 05:59:06,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:59:06,629 INFO L225 Difference]: With dead ends: 471 [2025-02-08 05:59:06,629 INFO L226 Difference]: Without dead ends: 469 [2025-02-08 05:59:06,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-08 05:59:06,630 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 6 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:59:06,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1095 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:59:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-02-08 05:59:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 467. [2025-02-08 05:59:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 452 states have (on average 1.25) internal successors, (565), 459 states have internal predecessors, (565), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 05:59:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 579 transitions. [2025-02-08 05:59:06,642 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 579 transitions. Word has length 130 [2025-02-08 05:59:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:59:06,642 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 579 transitions. [2025-02-08 05:59:06,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 10 states have internal predecessors, (131), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:59:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 579 transitions. [2025-02-08 05:59:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 05:59:06,644 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:59:06,644 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:59:06,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 05:59:06,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:06,845 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:59:06,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:59:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1261247628, now seen corresponding path program 2 times [2025-02-08 05:59:06,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:59:06,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078979789] [2025-02-08 05:59:06,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:59:06,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:59:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:59:06,848 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:59:06,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 05:59:07,160 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-08 05:59:07,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 05:59:07,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:59:07,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:59:07,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 05:59:07,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:59:07,471 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:07,472 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:07,473 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 05:59:07,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-08 05:59:09,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:59:09,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 87 [2025-02-08 05:59:09,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 05:59:09,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 74 [2025-02-08 05:59:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 05:59:09,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:59:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 05:59:09,943 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:59:09,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078979789] [2025-02-08 05:59:09,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078979789] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:59:09,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:59:09,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 05:59:09,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295307600] [2025-02-08 05:59:09,944 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:59:09,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 05:59:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:59:09,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 05:59:09,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 05:59:09,945 INFO L87 Difference]: Start difference. First operand 467 states and 579 transitions. Second operand has 12 states, 12 states have (on average 15.333333333333334) internal successors, (184), 12 states have internal predecessors, (184), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:59:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:18,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:22,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:26,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:30,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:34,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:38,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:43,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:47,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:51,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:55,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 05:59:59,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:00:03,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:00:07,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]