./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:56:46,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:56:46,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:56:46,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:56:46,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:56:46,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:56:46,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:56:46,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:56:46,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:56:46,781 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:56:46,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:56:46,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:56:46,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:56:46,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:56:46,781 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:56:46,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:56:46,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:56:46,782 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:56:46,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:56:46,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:56:46,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:56:46,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:56:46,785 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:56:46,785 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:56:46,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:56:46,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:56:46,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:56:46,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:56:46,787 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2025-02-08 05:56:47,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:56:47,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:56:47,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:56:47,068 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:56:47,068 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:56:47,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-08 05:56:48,341 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/43d441b72/1512f29fed804c20b8fbd03fdffa4bd5/FLAGc4a7fa0ce [2025-02-08 05:56:48,783 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:56:48,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-08 05:56:48,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/43d441b72/1512f29fed804c20b8fbd03fdffa4bd5/FLAGc4a7fa0ce [2025-02-08 05:56:48,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/43d441b72/1512f29fed804c20b8fbd03fdffa4bd5 [2025-02-08 05:56:48,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:56:48,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:56:48,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:56:48,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:56:48,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:56:48,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:56:48" (1/1) ... [2025-02-08 05:56:48,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47818d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:48, skipping insertion in model container [2025-02-08 05:56:48,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:56:48" (1/1) ... [2025-02-08 05:56:48,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:56:49,251 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,284 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,287 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,292 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,302 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,316 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,319 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,321 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,322 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,323 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,324 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,327 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:49,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:56:49,347 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-02-08 05:56:49,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@341a18c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:49, skipping insertion in model container [2025-02-08 05:56:49,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:56:49,348 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 05:56:49,350 INFO L158 Benchmark]: Toolchain (without parser) took 436.96ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 87.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:56:49,351 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:56:49,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.98ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 87.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:56:49,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.98ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 87.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 753]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:56:51,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:56:51,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 05:56:51,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:56:51,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:56:51,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:56:51,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:56:51,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:56:51,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:56:51,688 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:56:51,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:56:51,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:56:51,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:56:51,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:56:51,688 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:56:51,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:56:51,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:56:51,690 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:56:51,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:56:51,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:56:51,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:56:51,693 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:56:51,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:56:51,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:56:51,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:56:51,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:56:51,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:56:51,694 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2025-02-08 05:56:52,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:56:52,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:56:52,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:56:52,016 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:56:52,018 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:56:52,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-08 05:56:53,343 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e8402952/4082539981a74a4193f0a4adee61e4b3/FLAG08972d251 [2025-02-08 05:56:53,675 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:56:53,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-08 05:56:53,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e8402952/4082539981a74a4193f0a4adee61e4b3/FLAG08972d251 [2025-02-08 05:56:53,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e8402952/4082539981a74a4193f0a4adee61e4b3 [2025-02-08 05:56:53,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:56:53,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:56:53,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:56:53,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:56:53,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:56:53,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:56:53" (1/1) ... [2025-02-08 05:56:53,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ca6a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:53, skipping insertion in model container [2025-02-08 05:56:53,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:56:53" (1/1) ... [2025-02-08 05:56:53,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:56:54,104 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,142 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,150 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,153 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,160 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,173 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,174 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,176 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,179 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,181 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,181 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,185 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:56:54,202 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 05:56:54,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:56:54,261 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,276 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,280 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,287 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,291 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,301 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,302 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,306 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,306 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,311 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:56:54,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:56:54,317 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:56:54,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:56:54,433 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:56:54,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54 WrapperNode [2025-02-08 05:56:54,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:56:54,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:56:54,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:56:54,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:56:54,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,502 INFO L138 Inliner]: procedures = 179, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 714 [2025-02-08 05:56:54,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:56:54,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:56:54,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:56:54,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:56:54,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,585 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2025-02-08 05:56:54,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,656 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:56:54,684 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:56:54,685 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:56:54,686 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:56:54,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (1/1) ... [2025-02-08 05:56:54,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:56:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:56:54,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:56:54,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:56:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 05:56:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 05:56:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:56:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:56:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:56:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:56:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:56:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:56:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:56:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 05:56:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 05:56:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 05:56:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 05:56:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:56:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:56:54,955 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:56:54,957 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:57:01,169 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2025-02-08 05:57:01,169 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:57:01,180 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:57:01,183 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:57:01,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:57:01 BoogieIcfgContainer [2025-02-08 05:57:01,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:57:01,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:57:01,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:57:01,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:57:01,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:56:53" (1/3) ... [2025-02-08 05:57:01,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17aa2027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:57:01, skipping insertion in model container [2025-02-08 05:57:01,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:56:54" (2/3) ... [2025-02-08 05:57:01,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17aa2027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:57:01, skipping insertion in model container [2025-02-08 05:57:01,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:57:01" (3/3) ... [2025-02-08 05:57:01,193 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-2.i [2025-02-08 05:57:01,206 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:57:01,207 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_nondet_test1-2.i that has 3 procedures, 136 locations, 1 initial locations, 25 loop locations, and 2 error locations. [2025-02-08 05:57:01,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:57:01,259 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;@71f08dd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:57:01,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:57:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 125 states have (on average 1.64) internal successors, (205), 127 states have internal predecessors, (205), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 05:57:01,268 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:01,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 05:57:01,269 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:01,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:01,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1568221747, now seen corresponding path program 1 times [2025-02-08 05:57:01,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:01,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906542335] [2025-02-08 05:57:01,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:01,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:01,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:01,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:01,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 05:57:01,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 05:57:01,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 05:57:01,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:01,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:01,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:57:01,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:57:01,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:01,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:01,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906542335] [2025-02-08 05:57:01,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906542335] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:01,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:01,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:57:01,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107978802] [2025-02-08 05:57:01,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:01,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:57:01,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:01,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:57:01,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:01,574 INFO L87 Difference]: Start difference. First operand has 132 states, 125 states have (on average 1.64) internal successors, (205), 127 states have internal predecessors, (205), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:01,927 INFO L93 Difference]: Finished difference Result 136 states and 176 transitions. [2025-02-08 05:57:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:57:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-02-08 05:57:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:01,937 INFO L225 Difference]: With dead ends: 136 [2025-02-08 05:57:01,938 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 05:57:01,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:01,942 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 2 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:01,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 491 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 05:57:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 05:57:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2025-02-08 05:57:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 127 states have internal predecessors, (166), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2025-02-08 05:57:01,980 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 172 transitions. Word has length 6 [2025-02-08 05:57:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:01,980 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 172 transitions. [2025-02-08 05:57:01,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 172 transitions. [2025-02-08 05:57:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 05:57:01,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:01,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:57:01,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 05:57:02,182 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 05:57:02,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:02,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:02,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1369249714, now seen corresponding path program 1 times [2025-02-08 05:57:02,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:02,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565552974] [2025-02-08 05:57:02,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:02,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:02,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 05:57:02,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 05:57:02,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 05:57:02,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:02,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:02,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 05:57:02,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:57:02,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:02,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:02,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565552974] [2025-02-08 05:57:02,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565552974] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:02,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:02,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:57:02,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702300772] [2025-02-08 05:57:02,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:02,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:57:02,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:02,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:57:02,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:02,360 INFO L87 Difference]: Start difference. First operand 132 states and 172 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:06,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:57:08,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:08,317 INFO L93 Difference]: Finished difference Result 203 states and 263 transitions. [2025-02-08 05:57:08,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:57:08,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 05:57:08,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:08,321 INFO L225 Difference]: With dead ends: 203 [2025-02-08 05:57:08,321 INFO L226 Difference]: Without dead ends: 203 [2025-02-08 05:57:08,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:57:08,322 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 95 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:08,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 477 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2025-02-08 05:57:08,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-02-08 05:57:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 174. [2025-02-08 05:57:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 168 states have (on average 1.3035714285714286) internal successors, (219), 169 states have internal predecessors, (219), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 225 transitions. [2025-02-08 05:57:08,334 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 225 transitions. Word has length 7 [2025-02-08 05:57:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:08,335 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 225 transitions. [2025-02-08 05:57:08,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 225 transitions. [2025-02-08 05:57:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 05:57:08,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:08,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:57:08,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 05:57:08,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:08,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:08,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1784126567, now seen corresponding path program 1 times [2025-02-08 05:57:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1236089089] [2025-02-08 05:57:08,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:08,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:08,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:08,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 05:57:08,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 05:57:08,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 05:57:08,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:08,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:08,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 05:57:08,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:57:08,700 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:08,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:08,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236089089] [2025-02-08 05:57:08,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236089089] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:08,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:08,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 05:57:08,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046536226] [2025-02-08 05:57:08,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:08,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:57:08,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:08,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:57:08,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:57:08,702 INFO L87 Difference]: Start difference. First operand 174 states and 225 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:12,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:57:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:12,957 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2025-02-08 05:57:12,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:57:12,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 05:57:12,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:12,965 INFO L225 Difference]: With dead ends: 175 [2025-02-08 05:57:12,965 INFO L226 Difference]: Without dead ends: 168 [2025-02-08 05:57:12,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:57:12,966 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:12,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-02-08 05:57:12,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-08 05:57:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-02-08 05:57:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 162 states have (on average 1.308641975308642) internal successors, (212), 163 states have internal predecessors, (212), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2025-02-08 05:57:12,975 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 9 [2025-02-08 05:57:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:12,976 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2025-02-08 05:57:12,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:57:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2025-02-08 05:57:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 05:57:12,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:12,978 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 05:57:12,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 05:57:13,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:13,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:13,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:13,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1870679791, now seen corresponding path program 1 times [2025-02-08 05:57:13,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884368016] [2025-02-08 05:57:13,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:13,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:13,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 05:57:13,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 05:57:13,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 05:57:13,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:13,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:13,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:57:13,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:57:13,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:13,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:13,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884368016] [2025-02-08 05:57:13,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884368016] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:13,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:13,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:57:13,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152761211] [2025-02-08 05:57:13,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:13,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:57:13,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:13,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:57:13,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:57:13,573 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:13,682 INFO L93 Difference]: Finished difference Result 208 states and 258 transitions. [2025-02-08 05:57:13,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:57:13,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 75 [2025-02-08 05:57:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:13,685 INFO L225 Difference]: With dead ends: 208 [2025-02-08 05:57:13,687 INFO L226 Difference]: Without dead ends: 208 [2025-02-08 05:57:13,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:57:13,688 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 8 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 279 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 05:57:13,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 279 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:57:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-02-08 05:57:13,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2025-02-08 05:57:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 202 states have (on average 1.2475247524752475) internal successors, (252), 203 states have internal predecessors, (252), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2025-02-08 05:57:13,702 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 75 [2025-02-08 05:57:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:13,702 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2025-02-08 05:57:13,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2025-02-08 05:57:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 05:57:13,704 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:13,704 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 05:57:13,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 05:57:13,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:13,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:13,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:13,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1177287086, now seen corresponding path program 1 times [2025-02-08 05:57:13,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978592342] [2025-02-08 05:57:13,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:13,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:13,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:13,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 05:57:14,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 05:57:14,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 05:57:14,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:14,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:14,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:57:14,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:57:14,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:14,497 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:14,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978592342] [2025-02-08 05:57:14,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978592342] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:14,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:14,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:57:14,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764945678] [2025-02-08 05:57:14,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:14,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:57:14,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:14,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:57:14,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:14,499 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:18,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:57:22,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:57:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:24,219 INFO L93 Difference]: Finished difference Result 278 states and 347 transitions. [2025-02-08 05:57:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:57:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 75 [2025-02-08 05:57:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:24,222 INFO L225 Difference]: With dead ends: 278 [2025-02-08 05:57:24,222 INFO L226 Difference]: Without dead ends: 278 [2025-02-08 05:57:24,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:57:24,223 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 275 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:24,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 329 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2025-02-08 05:57:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2025-02-08 05:57:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 210. [2025-02-08 05:57:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 205 states have internal predecessors, (252), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 258 transitions. [2025-02-08 05:57:24,230 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 258 transitions. Word has length 75 [2025-02-08 05:57:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:24,231 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 258 transitions. [2025-02-08 05:57:24,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 258 transitions. [2025-02-08 05:57:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 05:57:24,237 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:24,237 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 05:57:24,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 05:57:24,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:24,441 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:24,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:24,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2137145485, now seen corresponding path program 1 times [2025-02-08 05:57:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:24,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672375271] [2025-02-08 05:57:24,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:24,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:24,444 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:24,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 05:57:24,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 05:57:24,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 05:57:24,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:24,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:24,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:57:24,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 05:57:24,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:24,833 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:24,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672375271] [2025-02-08 05:57:24,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672375271] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:24,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:24,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:57:24,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891702246] [2025-02-08 05:57:24,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:24,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:57:24,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:24,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:57:24,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:24,836 INFO L87 Difference]: Start difference. First operand 210 states and 258 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:24,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:24,933 INFO L93 Difference]: Finished difference Result 176 states and 202 transitions. [2025-02-08 05:57:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:57:24,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 76 [2025-02-08 05:57:24,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:24,935 INFO L225 Difference]: With dead ends: 176 [2025-02-08 05:57:24,935 INFO L226 Difference]: Without dead ends: 176 [2025-02-08 05:57:24,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:57:24,937 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 32 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 388 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 05:57:24,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 388 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:57:24,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-08 05:57:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2025-02-08 05:57:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 170 states have (on average 1.1529411764705881) internal successors, (196), 171 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 05:57:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 202 transitions. [2025-02-08 05:57:24,945 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 202 transitions. Word has length 76 [2025-02-08 05:57:24,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:24,945 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 202 transitions. [2025-02-08 05:57:24,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 202 transitions. [2025-02-08 05:57:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 05:57:24,950 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:24,950 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 05:57:24,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 05:57:25,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:25,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:25,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:25,151 INFO L85 PathProgramCache]: Analyzing trace with hash 751201766, now seen corresponding path program 1 times [2025-02-08 05:57:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:25,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587919050] [2025-02-08 05:57:25,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:25,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:25,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 05:57:25,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 05:57:25,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 05:57:25,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:25,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:25,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:57:25,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 05:57:25,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:57:25,519 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:25,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587919050] [2025-02-08 05:57:25,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587919050] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:57:25,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:57:25,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:57:25,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685828656] [2025-02-08 05:57:25,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:57:25,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:57:25,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:25,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:57:25,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:25,521 INFO L87 Difference]: Start difference. First operand 176 states and 202 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:25,556 INFO L93 Difference]: Finished difference Result 179 states and 206 transitions. [2025-02-08 05:57:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:57:25,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 76 [2025-02-08 05:57:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:25,560 INFO L225 Difference]: With dead ends: 179 [2025-02-08 05:57:25,560 INFO L226 Difference]: Without dead ends: 179 [2025-02-08 05:57:25,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:57:25,561 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:25,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 05:57:25,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-02-08 05:57:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2025-02-08 05:57:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 172 states have (on average 1.1569767441860466) internal successors, (199), 174 states have internal predecessors, (199), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 05:57:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2025-02-08 05:57:25,567 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 76 [2025-02-08 05:57:25,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:25,568 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2025-02-08 05:57:25,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:57:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2025-02-08 05:57:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 05:57:25,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:25,574 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] [2025-02-08 05:57:25,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 05:57:25,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:25,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:25,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:25,775 INFO L85 PathProgramCache]: Analyzing trace with hash -391655966, now seen corresponding path program 1 times [2025-02-08 05:57:25,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:25,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384440580] [2025-02-08 05:57:25,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:25,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:25,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:25,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 05:57:25,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 05:57:26,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 05:57:26,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:26,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:26,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:57:26,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 05:57:26,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:57:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 05:57:26,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:26,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384440580] [2025-02-08 05:57:26,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384440580] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:57:26,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:57:26,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-02-08 05:57:26,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558560609] [2025-02-08 05:57:26,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:57:26,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:57:26,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:26,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:57:26,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:57:26,643 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:57:27,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:27,053 INFO L93 Difference]: Finished difference Result 379 states and 444 transitions. [2025-02-08 05:57:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:57:27,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2025-02-08 05:57:27,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:27,055 INFO L225 Difference]: With dead ends: 379 [2025-02-08 05:57:27,056 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 05:57:27,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 05:57:27,056 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 394 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:27,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 689 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 05:57:27,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 05:57:27,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2025-02-08 05:57:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 369 states have (on average 1.1598915989159893) internal successors, (428), 371 states have internal predecessors, (428), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2025-02-08 05:57:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 444 transitions. [2025-02-08 05:57:27,065 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 444 transitions. Word has length 78 [2025-02-08 05:57:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:27,066 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 444 transitions. [2025-02-08 05:57:27,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:57:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 444 transitions. [2025-02-08 05:57:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-02-08 05:57:27,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:27,069 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:57:27,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 05:57:27,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:27,269 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:27,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:27,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1379997561, now seen corresponding path program 1 times [2025-02-08 05:57:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:27,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824343888] [2025-02-08 05:57:27,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:57:27,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:27,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:27,272 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:27,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 05:57:27,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 240 statements into 1 equivalence classes. [2025-02-08 05:57:28,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 240 of 240 statements. [2025-02-08 05:57:28,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:57:28,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:28,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:57:28,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 115 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-08 05:57:28,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:57:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 115 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-08 05:57:28,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824343888] [2025-02-08 05:57:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824343888] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:57:28,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:57:28,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 05:57:28,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916223182] [2025-02-08 05:57:28,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:57:28,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:57:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:28,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:57:28,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:57:28,207 INFO L87 Difference]: Start difference. First operand 379 states and 444 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:57:28,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:28,360 INFO L93 Difference]: Finished difference Result 390 states and 467 transitions. [2025-02-08 05:57:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:57:28,361 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 240 [2025-02-08 05:57:28,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:28,363 INFO L225 Difference]: With dead ends: 390 [2025-02-08 05:57:28,363 INFO L226 Difference]: Without dead ends: 390 [2025-02-08 05:57:28,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:57:28,364 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 5 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:28,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 600 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:57:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-08 05:57:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 388. [2025-02-08 05:57:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 377 states have (on average 1.1724137931034482) internal successors, (442), 379 states have internal predecessors, (442), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-08 05:57:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 462 transitions. [2025-02-08 05:57:28,374 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 462 transitions. Word has length 240 [2025-02-08 05:57:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:28,375 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 462 transitions. [2025-02-08 05:57:28,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 05:57:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 462 transitions. [2025-02-08 05:57:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-02-08 05:57:28,377 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:28,377 INFO L218 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:57:28,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 05:57:28,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:28,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:28,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:28,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1791907317, now seen corresponding path program 2 times [2025-02-08 05:57:28,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582429502] [2025-02-08 05:57:28,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:57:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:28,583 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:28,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 05:57:28,978 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 244 statements into 2 equivalence classes. [2025-02-08 05:57:29,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 244 of 244 statements. [2025-02-08 05:57:29,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:57:29,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:57:29,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 05:57:29,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:57:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 127 proven. 3 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 05:57:29,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:57:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2025-02-08 05:57:29,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:57:29,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582429502] [2025-02-08 05:57:29,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582429502] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:57:29,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:57:29,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 05:57:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592177116] [2025-02-08 05:57:29,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:57:29,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 05:57:29,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:57:29,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 05:57:29,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 05:57:29,619 INFO L87 Difference]: Start difference. First operand 388 states and 462 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:57:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:57:29,957 INFO L93 Difference]: Finished difference Result 396 states and 472 transitions. [2025-02-08 05:57:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 05:57:29,958 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 244 [2025-02-08 05:57:29,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:57:29,961 INFO L225 Difference]: With dead ends: 396 [2025-02-08 05:57:29,961 INFO L226 Difference]: Without dead ends: 394 [2025-02-08 05:57:29,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-08 05:57:29,961 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 6 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:57:29,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 900 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:57:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-02-08 05:57:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2025-02-08 05:57:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 381 states have (on average 1.1758530183727034) internal successors, (448), 383 states have internal predecessors, (448), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2025-02-08 05:57:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 464 transitions. [2025-02-08 05:57:29,971 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 464 transitions. Word has length 244 [2025-02-08 05:57:29,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:57:29,971 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 464 transitions. [2025-02-08 05:57:29,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:57:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 464 transitions. [2025-02-08 05:57:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-02-08 05:57:29,973 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:57:29,973 INFO L218 NwaCegarLoop]: trace histogram [10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:57:29,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 05:57:30,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:30,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:57:30,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:57:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash -528484597, now seen corresponding path program 3 times [2025-02-08 05:57:30,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:57:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510972529] [2025-02-08 05:57:30,175 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:57:30,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:57:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:57:30,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:57:30,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 05:57:30,633 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 248 statements into 9 equivalence classes.