./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:03:36,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:03:36,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 06:03:36,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:03:36,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:03:37,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:03:37,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:03:37,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:03:37,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:03:37,002 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:03:37,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:03:37,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:03:37,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:03:37,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:03:37,003 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:03:37,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:03:37,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:03:37,003 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:03:37,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:03:37,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:03:37,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:03:37,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:03:37,005 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 -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2025-02-08 06:03:37,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:03:37,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:03:37,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:03:37,302 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:03:37,303 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:03:37,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-02-08 06:03:38,669 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc121c304/a30ac1ae842c4bc890fa7ecd100d209a/FLAGfdaf26252 [2025-02-08 06:03:39,080 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:03:39,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-02-08 06:03:39,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc121c304/a30ac1ae842c4bc890fa7ecd100d209a/FLAGfdaf26252 [2025-02-08 06:03:39,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc121c304/a30ac1ae842c4bc890fa7ecd100d209a [2025-02-08 06:03:39,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:03:39,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:03:39,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:39,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:03:39,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:03:39,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:39" (1/1) ... [2025-02-08 06:03:39,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aff947f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:39, skipping insertion in model container [2025-02-08 06:03:39,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:39" (1/1) ... [2025-02-08 06:03:39,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:03:39,488 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,529 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 06:03:39,535 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,542 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,551 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,601 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,602 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 06:03:39,604 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 06:03:39,607 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,610 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 06:03:39,613 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:39,614 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 06:03:39,614 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 06:03:39,620 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 06:03:39,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:39,654 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 06:03:39,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29942ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:39, skipping insertion in model container [2025-02-08 06:03:39,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:39,655 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 06:03:39,657 INFO L158 Benchmark]: Toolchain (without parser) took 531.99ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 100.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 06:03:39,659 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:03:39,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.79ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 100.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 06:03:39,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.79ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 100.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 750]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:03:41,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:03:41,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 06:03:41,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:03:41,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:03:41,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:03:41,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:03:41,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:03:41,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:03:41,962 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:03:41,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:03:41,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:03:41,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:03:41,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:03:41,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:03:41,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 06:03:41,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:03:41,965 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:03:41,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:03:41,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 06:03:41,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:03:41,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:03:41,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:03:41,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:03:41,967 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 -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2025-02-08 06:03:42,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:03:42,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:03:42,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:03:42,286 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:03:42,286 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:03:42,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-02-08 06:03:43,729 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c184a1f3f/ec669c9cbae44c15b29bdad0df68c54d/FLAG0a2f265c4 [2025-02-08 06:03:44,070 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:03:44,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-02-08 06:03:44,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c184a1f3f/ec669c9cbae44c15b29bdad0df68c54d/FLAG0a2f265c4 [2025-02-08 06:03:44,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c184a1f3f/ec669c9cbae44c15b29bdad0df68c54d [2025-02-08 06:03:44,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:03:44,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:03:44,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:44,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:03:44,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:03:44,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:44,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed981f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44, skipping insertion in model container [2025-02-08 06:03:44,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:44,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:03:44,495 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,539 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,545 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 06:03:44,549 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 06:03:44,558 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,591 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,591 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,593 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,594 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,595 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,596 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 06:03:44,601 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:44,633 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 06:03:44,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:03:44,684 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,696 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,698 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,699 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,703 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,738 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,738 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,741 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,741 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,745 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,746 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,747 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,748 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,756 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:44,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:44,762 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:03:44,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:44,931 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:03:44,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44 WrapperNode [2025-02-08 06:03:44,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:44,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:03:44,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:03:44,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:03:44,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:44,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,032 INFO L138 Inliner]: procedures = 180, calls = 274, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 986 [2025-02-08 06:03:45,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:03:45,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:03:45,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:03:45,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:03:45,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,126 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-02-08 06:03:45,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:03:45,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:03:45,211 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:03:45,211 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:03:45,212 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (1/1) ... [2025-02-08 06:03:45,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:03:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:45,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 06:03:45,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 06:03:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 06:03:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 06:03:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 06:03:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 06:03:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 06:03:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 06:03:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 06:03:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:03:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 06:03:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 06:03:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 06:03:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:03:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:03:45,470 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:03:45,472 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:03:52,533 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 06:03:52,616 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-02-08 06:03:52,616 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:03:52,632 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:03:52,633 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 06:03:52,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:03:52 BoogieIcfgContainer [2025-02-08 06:03:52,634 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:03:52,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:03:52,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:03:52,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:03:52,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:03:44" (1/3) ... [2025-02-08 06:03:52,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b450ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:03:52, skipping insertion in model container [2025-02-08 06:03:52,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:44" (2/3) ... [2025-02-08 06:03:52,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b450ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:03:52, skipping insertion in model container [2025-02-08 06:03:52,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:03:52" (3/3) ... [2025-02-08 06:03:52,646 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test3-1.i [2025-02-08 06:03:52,661 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:03:52,662 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test3-1.i that has 5 procedures, 204 locations, 1 initial locations, 38 loop locations, and 2 error locations. [2025-02-08 06:03:52,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:03:52,720 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;@4e53e5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:03:52,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 06:03:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 186 states have (on average 1.6559139784946237) internal successors, (308), 189 states have internal predecessors, (308), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 06:03:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:03:52,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:52,733 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:03:52,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:52,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash 346159, now seen corresponding path program 1 times [2025-02-08 06:03:52,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:52,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959984941] [2025-02-08 06:03:52,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:52,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:52,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:52,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:52,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 06:03:52,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:03:52,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:03:52,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:52,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:52,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 06:03:52,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:53,041 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_18| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_18|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_18| (_ bv0 1)) |c_#valid|))) is different from true [2025-02-08 06:03:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:53,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:53,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:53,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959984941] [2025-02-08 06:03:53,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959984941] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:53,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:53,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:03:53,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546226828] [2025-02-08 06:03:53,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:53,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:53,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:53,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:53,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2025-02-08 06:03:53,074 INFO L87 Difference]: Start difference. First operand has 196 states, 186 states have (on average 1.6559139784946237) internal successors, (308), 189 states have internal predecessors, (308), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:57,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:03:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:57,904 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2025-02-08 06:03:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:57,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 06:03:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:57,922 INFO L225 Difference]: With dead ends: 288 [2025-02-08 06:03:57,922 INFO L226 Difference]: Without dead ends: 285 [2025-02-08 06:03:57,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2025-02-08 06:03:57,926 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 118 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 380 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:57,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 477 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 1 Unknown, 380 Unchecked, 4.8s Time] [2025-02-08 06:03:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-08 06:03:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 193. [2025-02-08 06:03:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 184 states have (on average 1.3043478260869565) internal successors, (240), 186 states have internal predecessors, (240), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 06:03:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 250 transitions. [2025-02-08 06:03:57,979 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 250 transitions. Word has length 3 [2025-02-08 06:03:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:57,979 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 250 transitions. [2025-02-08 06:03:57,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 250 transitions. [2025-02-08 06:03:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 06:03:57,980 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:57,980 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:57,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 06:03:58,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:58,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:58,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash -176717077, now seen corresponding path program 1 times [2025-02-08 06:03:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:03:58,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747334061] [2025-02-08 06:03:58,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:58,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:58,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:58,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:58,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 06:03:58,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 06:03:58,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 06:03:58,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:58,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:58,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 06:03:58,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:58,485 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_19| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_19| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_19|)))) is different from true [2025-02-08 06:03:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:58,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:58,486 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:03:58,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747334061] [2025-02-08 06:03:58,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747334061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:58,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:58,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:03:58,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958883251] [2025-02-08 06:03:58,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:58,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:58,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:03:58,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:58,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2025-02-08 06:03:58,489 INFO L87 Difference]: Start difference. First operand 193 states and 250 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:02,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:02,961 INFO L93 Difference]: Finished difference Result 286 states and 375 transitions. [2025-02-08 06:04:02,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:04:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2025-02-08 06:04:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:02,971 INFO L225 Difference]: With dead ends: 286 [2025-02-08 06:04:02,971 INFO L226 Difference]: Without dead ends: 285 [2025-02-08 06:04:02,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2025-02-08 06:04:02,972 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 111 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 374 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:02,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 474 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 1 Unknown, 374 Unchecked, 4.5s Time] [2025-02-08 06:04:02,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-08 06:04:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 261. [2025-02-08 06:04:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.312) internal successors, (328), 252 states have internal predecessors, (328), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 342 transitions. [2025-02-08 06:04:02,986 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 342 transitions. Word has length 10 [2025-02-08 06:04:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:02,987 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 342 transitions. [2025-02-08 06:04:02,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 342 transitions. [2025-02-08 06:04:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 06:04:02,988 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:02,988 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:04:02,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 06:04:03,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:03,189 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:03,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1375615967, now seen corresponding path program 1 times [2025-02-08 06:04:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289929164] [2025-02-08 06:04:03,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:03,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:03,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:03,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 06:04:03,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 06:04:03,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 06:04:03,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:03,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:03,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:04:03,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:04:03,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:03,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:03,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289929164] [2025-02-08 06:04:03,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289929164] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:03,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:03,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:04:03,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029575998] [2025-02-08 06:04:03,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:03,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:04:03,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:03,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:04:03,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:03,500 INFO L87 Difference]: Start difference. First operand 261 states and 342 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:07,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:10,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:10,916 INFO L93 Difference]: Finished difference Result 349 states and 456 transitions. [2025-02-08 06:04:10,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:04:10,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 14 [2025-02-08 06:04:10,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:10,920 INFO L225 Difference]: With dead ends: 349 [2025-02-08 06:04:10,920 INFO L226 Difference]: Without dead ends: 347 [2025-02-08 06:04:10,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:10,921 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 134 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:10,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 669 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2025-02-08 06:04:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-08 06:04:10,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 346. [2025-02-08 06:04:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 335 states have (on average 1.31044776119403) internal successors, (439), 338 states have internal predecessors, (439), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:10,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 453 transitions. [2025-02-08 06:04:10,952 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 453 transitions. Word has length 14 [2025-02-08 06:04:10,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:10,952 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 453 transitions. [2025-02-08 06:04:10,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 453 transitions. [2025-02-08 06:04:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 06:04:10,954 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:10,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:04:10,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 06:04:11,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:11,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:11,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:11,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1155449328, now seen corresponding path program 1 times [2025-02-08 06:04:11,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:11,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021339180] [2025-02-08 06:04:11,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:11,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:11,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:11,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:11,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 06:04:11,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 06:04:11,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 06:04:11,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:11,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:11,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:04:11,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:04:11,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:11,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:11,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021339180] [2025-02-08 06:04:11,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021339180] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:11,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:11,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:04:11,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868337089] [2025-02-08 06:04:11,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:11,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:04:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:11,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:04:11,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:04:11,359 INFO L87 Difference]: Start difference. First operand 346 states and 453 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:11,478 INFO L93 Difference]: Finished difference Result 406 states and 513 transitions. [2025-02-08 06:04:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:04:11,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 49 [2025-02-08 06:04:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:11,480 INFO L225 Difference]: With dead ends: 406 [2025-02-08 06:04:11,480 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 06:04:11,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:04:11,481 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 9 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:11,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 445 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:04:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 06:04:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-02-08 06:04:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 395 states have (on average 1.2632911392405064) internal successors, (499), 398 states have internal predecessors, (499), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 513 transitions. [2025-02-08 06:04:11,494 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 513 transitions. Word has length 49 [2025-02-08 06:04:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:11,494 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 513 transitions. [2025-02-08 06:04:11,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 513 transitions. [2025-02-08 06:04:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 06:04:11,495 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:11,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:04:11,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 06:04:11,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:11,696 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:11,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1189217713, now seen corresponding path program 1 times [2025-02-08 06:04:11,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:11,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2147292480] [2025-02-08 06:04:11,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:11,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:11,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:11,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 06:04:11,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 06:04:11,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 06:04:11,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:11,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:11,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:04:11,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:04:11,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:11,910 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147292480] [2025-02-08 06:04:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147292480] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:11,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:11,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:04:11,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146993617] [2025-02-08 06:04:11,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:11,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:04:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:11,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:04:11,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:11,912 INFO L87 Difference]: Start difference. First operand 406 states and 513 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:12,054 INFO L93 Difference]: Finished difference Result 355 states and 429 transitions. [2025-02-08 06:04:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:04:12,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 49 [2025-02-08 06:04:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:12,056 INFO L225 Difference]: With dead ends: 355 [2025-02-08 06:04:12,056 INFO L226 Difference]: Without dead ends: 355 [2025-02-08 06:04:12,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:04:12,057 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 32 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:12,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 640 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:04:12,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-08 06:04:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2025-02-08 06:04:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 344 states have (on average 1.2063953488372092) internal successors, (415), 347 states have internal predecessors, (415), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 429 transitions. [2025-02-08 06:04:12,068 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 429 transitions. Word has length 49 [2025-02-08 06:04:12,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:12,068 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 429 transitions. [2025-02-08 06:04:12,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 429 transitions. [2025-02-08 06:04:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 06:04:12,074 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:12,075 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:04:12,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 06:04:12,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:12,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:12,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:12,276 INFO L85 PathProgramCache]: Analyzing trace with hash -719657782, now seen corresponding path program 1 times [2025-02-08 06:04:12,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:12,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [635976115] [2025-02-08 06:04:12,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:12,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:12,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:12,278 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:12,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 06:04:12,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 06:04:12,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 06:04:12,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:12,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:12,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 06:04:12,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:12,457 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:12,458 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:12,458 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:12,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-08 06:04:12,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:04:12,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 06:04:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:04:12,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:12,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635976115] [2025-02-08 06:04:12,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635976115] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:12,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:12,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 06:04:12,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111733032] [2025-02-08 06:04:12,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:12,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:04:12,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:12,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:04:12,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:04:12,647 INFO L87 Difference]: Start difference. First operand 355 states and 429 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:13,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:13,249 INFO L93 Difference]: Finished difference Result 356 states and 439 transitions. [2025-02-08 06:04:13,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:04:13,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 49 [2025-02-08 06:04:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:13,252 INFO L225 Difference]: With dead ends: 356 [2025-02-08 06:04:13,252 INFO L226 Difference]: Without dead ends: 353 [2025-02-08 06:04:13,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:04:13,255 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 106 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:13,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 902 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:04:13,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-02-08 06:04:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 307. [2025-02-08 06:04:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 297 states have (on average 1.228956228956229) internal successors, (365), 300 states have internal predecessors, (365), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 06:04:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 377 transitions. [2025-02-08 06:04:13,269 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 377 transitions. Word has length 49 [2025-02-08 06:04:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:13,269 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 377 transitions. [2025-02-08 06:04:13,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:04:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 377 transitions. [2025-02-08 06:04:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 06:04:13,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:13,273 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] [2025-02-08 06:04:13,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 06:04:13,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:13,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:13,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:13,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1830826523, now seen corresponding path program 1 times [2025-02-08 06:04:13,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:13,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210035833] [2025-02-08 06:04:13,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:13,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:13,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:13,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 06:04:13,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 06:04:13,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 06:04:13,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:13,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:13,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:04:13,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:04:13,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:13,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:13,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210035833] [2025-02-08 06:04:13,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210035833] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:13,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:13,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 06:04:13,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310715323] [2025-02-08 06:04:13,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:13,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:04:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:13,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:04:13,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:04:13,884 INFO L87 Difference]: Start difference. First operand 307 states and 377 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:14,000 INFO L93 Difference]: Finished difference Result 347 states and 417 transitions. [2025-02-08 06:04:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:04:14,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 80 [2025-02-08 06:04:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:14,002 INFO L225 Difference]: With dead ends: 347 [2025-02-08 06:04:14,002 INFO L226 Difference]: Without dead ends: 347 [2025-02-08 06:04:14,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:04:14,003 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 9 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:14,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 423 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:04:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-08 06:04:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2025-02-08 06:04:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 337 states have (on average 1.2017804154302671) internal successors, (405), 340 states have internal predecessors, (405), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 06:04:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 417 transitions. [2025-02-08 06:04:14,011 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 417 transitions. Word has length 80 [2025-02-08 06:04:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:14,012 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 417 transitions. [2025-02-08 06:04:14,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2025-02-08 06:04:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 06:04:14,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:14,013 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] [2025-02-08 06:04:14,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 06:04:14,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:14,214 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:14,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:14,214 INFO L85 PathProgramCache]: Analyzing trace with hash -793627204, now seen corresponding path program 1 times [2025-02-08 06:04:14,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:14,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251451508] [2025-02-08 06:04:14,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:14,217 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:14,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 06:04:14,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 06:04:14,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 06:04:14,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:14,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:14,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 06:04:14,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:04:14,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:14,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251451508] [2025-02-08 06:04:14,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251451508] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:14,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:14,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:04:14,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201659116] [2025-02-08 06:04:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:14,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:04:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:14,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:04:14,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:14,883 INFO L87 Difference]: Start difference. First operand 347 states and 417 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:19,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:23,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:25,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 06:04:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:26,039 INFO L93 Difference]: Finished difference Result 438 states and 526 transitions. [2025-02-08 06:04:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:04:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 80 [2025-02-08 06:04:26,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:26,042 INFO L225 Difference]: With dead ends: 438 [2025-02-08 06:04:26,042 INFO L226 Difference]: Without dead ends: 438 [2025-02-08 06:04:26,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:04:26,043 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 446 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:26,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 421 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2025-02-08 06:04:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-02-08 06:04:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2025-02-08 06:04:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 424 states have (on average 1.1981132075471699) internal successors, (508), 428 states have internal predecessors, (508), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 522 transitions. [2025-02-08 06:04:26,053 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 522 transitions. Word has length 80 [2025-02-08 06:04:26,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:26,053 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 522 transitions. [2025-02-08 06:04:26,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 522 transitions. [2025-02-08 06:04:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:04:26,054 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:26,055 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] [2025-02-08 06:04:26,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 06:04:26,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:26,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:26,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:26,256 INFO L85 PathProgramCache]: Analyzing trace with hash 873768562, now seen corresponding path program 1 times [2025-02-08 06:04:26,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:26,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080015788] [2025-02-08 06:04:26,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:26,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:26,258 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:26,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 06:04:26,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:04:26,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:04:26,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:26,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:26,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:04:26,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:04:26,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:26,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:26,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080015788] [2025-02-08 06:04:26,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080015788] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:26,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:04:26,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478177862] [2025-02-08 06:04:26,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:26,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:04:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:26,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:04:26,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:26,690 INFO L87 Difference]: Start difference. First operand 435 states and 522 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:26,835 INFO L93 Difference]: Finished difference Result 401 states and 466 transitions. [2025-02-08 06:04:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:04:26,836 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, (3), 1 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 84 [2025-02-08 06:04:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:26,838 INFO L225 Difference]: With dead ends: 401 [2025-02-08 06:04:26,838 INFO L226 Difference]: Without dead ends: 401 [2025-02-08 06:04:26,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:04:26,839 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 32 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:26,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 607 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:04:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-02-08 06:04:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-02-08 06:04:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 390 states have (on average 1.158974358974359) internal successors, (452), 394 states have internal predecessors, (452), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 06:04:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 466 transitions. [2025-02-08 06:04:26,848 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 466 transitions. Word has length 84 [2025-02-08 06:04:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:26,849 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 466 transitions. [2025-02-08 06:04:26,849 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 466 transitions. [2025-02-08 06:04:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:04:26,850 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:26,850 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] [2025-02-08 06:04:26,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 06:04:27,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:27,054 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:27,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash 586001675, now seen corresponding path program 1 times [2025-02-08 06:04:27,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:27,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091878688] [2025-02-08 06:04:27,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:27,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:27,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:27,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 06:04:27,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:04:27,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:04:27,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:27,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:27,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 06:04:27,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:27,508 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 06:04:27,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:27,510 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:27,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091878688] [2025-02-08 06:04:27,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091878688] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:27,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:27,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:04:27,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465172137] [2025-02-08 06:04:27,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:27,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:04:27,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:27,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:04:27,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:27,512 INFO L87 Difference]: Start difference. First operand 401 states and 466 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:27,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:27,561 INFO L93 Difference]: Finished difference Result 404 states and 470 transitions. [2025-02-08 06:04:27,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:04:27,562 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84 [2025-02-08 06:04:27,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:27,566 INFO L225 Difference]: With dead ends: 404 [2025-02-08 06:04:27,566 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 06:04:27,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:04:27,567 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 0 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:27,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 06:04:27,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 06:04:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-02-08 06:04:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 392 states have (on average 1.1607142857142858) internal successors, (455), 397 states have internal predecessors, (455), 7 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 06:04:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 470 transitions. [2025-02-08 06:04:27,579 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 470 transitions. Word has length 84 [2025-02-08 06:04:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:27,579 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 470 transitions. [2025-02-08 06:04:27,580 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, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 470 transitions. [2025-02-08 06:04:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 06:04:27,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:27,581 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] [2025-02-08 06:04:27,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 06:04:27,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:27,782 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:27,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:27,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2082190663, now seen corresponding path program 1 times [2025-02-08 06:04:27,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:27,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141074243] [2025-02-08 06:04:27,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:27,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:27,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:27,785 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:27,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 06:04:28,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 06:04:28,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 06:04:28,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:28,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:28,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 06:04:28,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:28,296 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 06:04:28,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:04:28,421 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 06:04:28,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:28,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141074243] [2025-02-08 06:04:28,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141074243] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:04:28,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:04:28,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 06:04:28,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384127152] [2025-02-08 06:04:28,422 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:04:28,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 06:04:28,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:28,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 06:04:28,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:04:28,423 INFO L87 Difference]: Start difference. First operand 404 states and 470 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, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:04:28,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:28,573 INFO L93 Difference]: Finished difference Result 415 states and 487 transitions. [2025-02-08 06:04:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:04:28,574 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, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 86 [2025-02-08 06:04:28,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:28,577 INFO L225 Difference]: With dead ends: 415 [2025-02-08 06:04:28,577 INFO L226 Difference]: Without dead ends: 415 [2025-02-08 06:04:28,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 06:04:28,578 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 4 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:28,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1333 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:04:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-02-08 06:04:28,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 413. [2025-02-08 06:04:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 400 states have (on average 1.1725) internal successors, (469), 405 states have internal predecessors, (469), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2025-02-08 06:04:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 485 transitions. [2025-02-08 06:04:28,590 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 485 transitions. Word has length 86 [2025-02-08 06:04:28,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:28,590 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 485 transitions. [2025-02-08 06:04:28,590 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, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:04:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 485 transitions. [2025-02-08 06:04:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 06:04:28,591 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:28,591 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] [2025-02-08 06:04:28,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 06:04:28,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:28,795 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:28,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:28,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1864030731, now seen corresponding path program 2 times [2025-02-08 06:04:28,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:28,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060669148] [2025-02-08 06:04:28,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 06:04:28,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:28,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:28,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:28,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 06:04:29,081 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-02-08 06:04:29,252 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 06:04:29,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 06:04:29,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:29,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 06:04:29,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 06:04:29,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:04:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 06:04:29,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:29,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060669148] [2025-02-08 06:04:29,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060669148] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:04:29,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:04:29,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 06:04:29,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623271593] [2025-02-08 06:04:29,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:04:29,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:04:29,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:29,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:04:29,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:04:29,560 INFO L87 Difference]: Start difference. First operand 413 states and 485 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:04:30,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:30,033 INFO L93 Difference]: Finished difference Result 421 states and 495 transitions. [2025-02-08 06:04:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 06:04:30,033 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 90 [2025-02-08 06:04:30,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:30,035 INFO L225 Difference]: With dead ends: 421 [2025-02-08 06:04:30,035 INFO L226 Difference]: Without dead ends: 419 [2025-02-08 06:04:30,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-08 06:04:30,036 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 6 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:30,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1120 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:04:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-02-08 06:04:30,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 417. [2025-02-08 06:04:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 404 states have (on average 1.1757425742574257) internal successors, (475), 409 states have internal predecessors, (475), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 06:04:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 490 transitions. [2025-02-08 06:04:30,049 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 490 transitions. Word has length 90 [2025-02-08 06:04:30,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:30,049 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 490 transitions. [2025-02-08 06:04:30,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:04:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 490 transitions. [2025-02-08 06:04:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 06:04:30,050 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:30,050 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] [2025-02-08 06:04:30,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 06:04:30,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:30,256 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:30,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash 745844235, now seen corresponding path program 3 times [2025-02-08 06:04:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:30,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14322335] [2025-02-08 06:04:30,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 06:04:30,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:30,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:30,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:30,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 06:04:30,529 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 94 statements into 6 equivalence classes. [2025-02-08 06:04:30,691 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 77 of 94 statements. [2025-02-08 06:04:30,691 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 06:04:30,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:30,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 06:04:30,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:31,289 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:31,289 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:31,290 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 06:04:31,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-08 06:04:31,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 06:04:31,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-08 06:04:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 06:04:31,411 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:04:31,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:31,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14322335] [2025-02-08 06:04:31,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14322335] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:04:31,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:04:31,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 06:04:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664707454] [2025-02-08 06:04:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:04:31,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:04:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:31,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:04:31,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:04:31,413 INFO L87 Difference]: Start difference. First operand 417 states and 490 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:31,781 INFO L93 Difference]: Finished difference Result 526 states and 620 transitions. [2025-02-08 06:04:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:04:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 94 [2025-02-08 06:04:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:31,783 INFO L225 Difference]: With dead ends: 526 [2025-02-08 06:04:31,783 INFO L226 Difference]: Without dead ends: 526 [2025-02-08 06:04:31,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:04:31,784 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 377 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:31,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 657 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:04:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-08 06:04:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 419. [2025-02-08 06:04:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 406 states have (on average 1.1748768472906403) internal successors, (477), 411 states have internal predecessors, (477), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 06:04:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 492 transitions. [2025-02-08 06:04:31,797 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 492 transitions. Word has length 94 [2025-02-08 06:04:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:31,797 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 492 transitions. [2025-02-08 06:04:31,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:04:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 492 transitions. [2025-02-08 06:04:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 06:04:31,799 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:31,799 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, 1, 1, 1] [2025-02-08 06:04:31,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 06:04:31,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:32,000 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:32,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2129799220, now seen corresponding path program 1 times [2025-02-08 06:04:32,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:32,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432347753] [2025-02-08 06:04:32,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:32,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:32,003 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:32,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 06:04:32,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 06:04:32,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 06:04:32,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:32,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:32,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 06:04:32,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 06:04:32,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:04:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 06:04:33,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:33,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432347753] [2025-02-08 06:04:33,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432347753] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:04:33,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:04:33,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-08 06:04:33,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129900460] [2025-02-08 06:04:33,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:04:33,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 06:04:33,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:33,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 06:04:33,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2025-02-08 06:04:33,033 INFO L87 Difference]: Start difference. First operand 419 states and 492 transitions. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:04:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:33,567 INFO L93 Difference]: Finished difference Result 431 states and 508 transitions. [2025-02-08 06:04:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 06:04:33,567 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 137 [2025-02-08 06:04:33,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:33,571 INFO L225 Difference]: With dead ends: 431 [2025-02-08 06:04:33,571 INFO L226 Difference]: Without dead ends: 427 [2025-02-08 06:04:33,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2025-02-08 06:04:33,572 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 8 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:33,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2003 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:04:33,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2025-02-08 06:04:33,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 425. [2025-02-08 06:04:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 412 states have (on average 1.1820388349514563) internal successors, (487), 417 states have internal predecessors, (487), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 06:04:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 502 transitions. [2025-02-08 06:04:33,583 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 502 transitions. Word has length 137 [2025-02-08 06:04:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:33,583 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 502 transitions. [2025-02-08 06:04:33,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 06:04:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 502 transitions. [2025-02-08 06:04:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 06:04:33,586 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:33,586 INFO L218 NwaCegarLoop]: trace histogram [16, 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, 1, 1, 1] [2025-02-08 06:04:33,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 06:04:33,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:33,787 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:33,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash 947753804, now seen corresponding path program 2 times [2025-02-08 06:04:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:33,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742037626] [2025-02-08 06:04:33,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 06:04:33,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:33,790 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:33,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 06:04:34,117 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-02-08 06:04:34,375 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 06:04:34,375 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 06:04:34,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:34,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 06:04:34,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 06:04:34,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:04:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-08 06:04:34,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 06:04:34,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742037626] [2025-02-08 06:04:34,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742037626] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 06:04:34,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:04:34,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-02-08 06:04:34,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751342053] [2025-02-08 06:04:34,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 06:04:34,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 06:04:34,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 06:04:34,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 06:04:34,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2025-02-08 06:04:34,920 INFO L87 Difference]: Start difference. First operand 425 states and 502 transitions. Second operand has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 18 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:04:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:04:35,973 INFO L93 Difference]: Finished difference Result 439 states and 521 transitions. [2025-02-08 06:04:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-08 06:04:35,974 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 18 states have internal predecessors, (142), 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 143 [2025-02-08 06:04:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:04:35,975 INFO L225 Difference]: With dead ends: 439 [2025-02-08 06:04:35,975 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 06:04:35,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=324, Invalid=606, Unknown=0, NotChecked=0, Total=930 [2025-02-08 06:04:35,978 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 10 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:04:35,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2015 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:04:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 06:04:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2025-02-08 06:04:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 420 states have (on average 1.1761904761904762) internal successors, (494), 425 states have internal predecessors, (494), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 06:04:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 509 transitions. [2025-02-08 06:04:35,989 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 509 transitions. Word has length 143 [2025-02-08 06:04:35,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:04:35,990 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 509 transitions. [2025-02-08 06:04:35,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 18 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 06:04:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 509 transitions. [2025-02-08 06:04:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-08 06:04:35,992 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:04:35,993 INFO L218 NwaCegarLoop]: trace histogram [24, 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, 1, 1, 1] [2025-02-08 06:04:36,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 06:04:36,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:36,193 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:36,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1450382516, now seen corresponding path program 3 times [2025-02-08 06:04:36,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 06:04:36,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455152918] [2025-02-08 06:04:36,195 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 06:04:36,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:36,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:36,197 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:36,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 06:04:36,528 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 10 equivalence classes.