./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:54:14,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:54:14,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:54:14,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:54:14,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:54:14,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:54:14,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:54:14,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:54:14,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:54:14,495 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:54:14,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:54:14,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:54:14,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:54:14,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:54:14,495 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:54:14,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:54:14,497 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:54:14,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:54:14,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:54:14,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:54:14,498 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 -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2025-02-08 05:54:14,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:54:14,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:54:14,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:54:14,749 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:54:14,750 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:54:14,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-08 05:54:15,899 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c16cfe44/865632d3b7d541e2b705b95f05029712/FLAG5e998e1e0 [2025-02-08 05:54:16,187 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:54:16,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-08 05:54:16,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c16cfe44/865632d3b7d541e2b705b95f05029712/FLAG5e998e1e0 [2025-02-08 05:54:16,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c16cfe44/865632d3b7d541e2b705b95f05029712 [2025-02-08 05:54:16,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:54:16,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:54:16,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:54:16,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:54:16,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:54:16,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:54:16" (1/1) ... [2025-02-08 05:54:16,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a4544d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:16, skipping insertion in model container [2025-02-08 05:54:16,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:54:16" (1/1) ... [2025-02-08 05:54:16,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:54:16,474 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 05:54:16,497 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 05:54:16,500 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 05:54:16,501 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 05:54:16,505 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 05:54:16,522 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 05:54:16,523 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 05:54:16,524 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 05:54:16,527 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 05:54:16,533 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 05:54:16,534 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:16,535 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:16,536 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:16,537 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 05:54:16,537 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 05:54:16,541 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 05:54:16,541 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 05:54:16,542 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:16,542 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:16,544 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 05:54:16,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:54:16,565 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 05:54:16,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7529f508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:16, skipping insertion in model container [2025-02-08 05:54:16,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:54:16,568 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 05:54:16,569 INFO L158 Benchmark]: Toolchain (without parser) took 350.25ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 90.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:54:16,569 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:54:16,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.98ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 90.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:54:16,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.98ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 90.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: 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_FNV_nondet_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:54:18,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:54:18,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-08 05:54:18,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:54:18,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:54:18,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:54:18,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:54:18,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:54:18,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:54:18,396 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:54:18,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:54:18,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:54:18,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:54:18,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:54:18,398 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:54:18,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:54:18,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:54:18,398 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:54:18,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:54:18,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:54:18,400 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:54:18,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:54:18,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:54:18,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:54:18,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:54:18,402 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 -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2025-02-08 05:54:18,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:54:18,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:54:18,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:54:18,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:54:18,642 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:54:18,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-08 05:54:19,818 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/481d0afc8/de2ad5834229460d80f8dc210c880a8c/FLAG2f16f5512 [2025-02-08 05:54:20,054 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:54:20,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-08 05:54:20,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/481d0afc8/de2ad5834229460d80f8dc210c880a8c/FLAG2f16f5512 [2025-02-08 05:54:20,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/481d0afc8/de2ad5834229460d80f8dc210c880a8c [2025-02-08 05:54:20,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:54:20,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:54:20,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:54:20,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:54:20,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:54:20,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa80bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20, skipping insertion in model container [2025-02-08 05:54:20,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:54:20,411 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 05:54:20,439 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 05:54:20,443 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,448 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 05:54:20,453 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 05:54:20,480 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,484 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 05:54:20,485 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 05:54:20,489 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,508 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 05:54:20,509 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 05:54:20,511 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 05:54:20,513 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 05:54:20,514 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 05:54:20,514 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 05:54:20,517 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 05:54:20,518 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 05:54:20,518 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 05:54:20,519 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 05:54:20,520 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:54:20,541 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 05:54:20,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:54:20,580 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 05:54:20,598 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,599 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,600 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 05:54:20,604 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,619 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 05:54:20,620 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,621 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,623 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 05:54:20,627 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 05:54:20,627 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 05:54:20,628 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 05:54:20,629 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,629 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,629 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 05:54:20,631 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 05:54:20,632 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 05:54:20,632 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 05:54:20,632 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 05:54:20,637 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 05:54:20,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:54:20,643 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:54:20,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:54:20,748 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:54:20,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20 WrapperNode [2025-02-08 05:54:20,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:54:20,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:54:20,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:54:20,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:54:20,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,821 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1374 [2025-02-08 05:54:20,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:54:20,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:54:20,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:54:20,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:54:20,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,950 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [401, 2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 98 writes are split as follows [98, 0]. [2025-02-08 05:54:20,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:20,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:54:21,026 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:54:21,026 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:54:21,026 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:54:21,028 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (1/1) ... [2025-02-08 05:54:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:54:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:54:21,054 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 05:54:21,059 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 05:54:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 05:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 05:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 05:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:54:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:54:21,286 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:54:21,287 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:54:34,160 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2025-02-08 05:54:34,161 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:54:34,175 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:54:34,175 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:54:34,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:54:34 BoogieIcfgContainer [2025-02-08 05:54:34,176 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:54:34,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:54:34,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:54:34,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:54:34,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:54:20" (1/3) ... [2025-02-08 05:54:34,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f49c34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:54:34, skipping insertion in model container [2025-02-08 05:54:34,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:54:20" (2/3) ... [2025-02-08 05:54:34,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f49c34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:54:34, skipping insertion in model container [2025-02-08 05:54:34,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:54:34" (3/3) ... [2025-02-08 05:54:34,182 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-3.i [2025-02-08 05:54:34,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:54:34,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test4-3.i that has 3 procedures, 246 locations, 1 initial locations, 45 loop locations, and 2 error locations. [2025-02-08 05:54:34,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:54:34,222 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;@44ed9067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:54:34,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:54:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 231 states have (on average 1.6536796536796536) internal successors, (382), 234 states have internal predecessors, (382), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:54:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 05:54:34,228 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:54:34,229 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:54:34,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:54:34,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:54:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1104392016, now seen corresponding path program 1 times [2025-02-08 05:54:34,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:54:34,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238789944] [2025-02-08 05:54:34,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:54:34,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:54:34,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:54:34,240 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 05:54:34,242 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 05:54:34,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 05:54:34,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 05:54:34,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:54:34,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:54:34,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 05:54:34,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:54:34,453 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 05:54:34,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:54:34,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:54:34,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238789944] [2025-02-08 05:54:34,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238789944] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:54:34,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:54:34,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 05:54:34,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520954059] [2025-02-08 05:54:34,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:54:34,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:54:34,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:54:34,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:54:34,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:54:34,475 INFO L87 Difference]: Start difference. First operand has 242 states, 231 states have (on average 1.6536796536796536) internal successors, (382), 234 states have internal predecessors, (382), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 05:54:38,539 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 05:54:42,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:54:43,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:54:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:54:43,939 INFO L93 Difference]: Finished difference Result 301 states and 395 transitions. [2025-02-08 05:54:43,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:54:43,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2025-02-08 05:54:43,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:54:43,955 INFO L225 Difference]: With dead ends: 301 [2025-02-08 05:54:43,955 INFO L226 Difference]: Without dead ends: 297 [2025-02-08 05:54:43,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 05:54:43,959 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 72 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2025-02-08 05:54:43,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 640 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2025-02-08 05:54:43,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-08 05:54:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 247. [2025-02-08 05:54:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 238 states have (on average 1.315126050420168) internal successors, (313), 239 states have internal predecessors, (313), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:54:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 325 transitions. [2025-02-08 05:54:44,006 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 325 transitions. Word has length 8 [2025-02-08 05:54:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:54:44,007 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 325 transitions. [2025-02-08 05:54:44,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 05:54:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 325 transitions. [2025-02-08 05:54:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 05:54:44,007 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:54:44,007 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:54:44,016 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 05:54:44,208 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 05:54:44,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:54:44,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:54:44,209 INFO L85 PathProgramCache]: Analyzing trace with hash 230573512, now seen corresponding path program 1 times [2025-02-08 05:54:44,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:54:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635054988] [2025-02-08 05:54:44,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:54:44,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:54:44,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:54:44,211 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 05:54:44,212 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 05:54:44,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 05:54:44,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 05:54:44,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:54:44,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:54:44,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 05:54:44,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:54:44,411 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 05:54:44,412 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:54:44,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:54:44,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635054988] [2025-02-08 05:54:44,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635054988] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:54:44,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:54:44,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:54:44,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064950411] [2025-02-08 05:54:44,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:54:44,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:54:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:54:44,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:54:44,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:54:44,415 INFO L87 Difference]: Start difference. First operand 247 states and 325 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:54:48,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:54:52,437 WARN L539 Checker$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 05:54:56,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:54:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:54:56,477 INFO L93 Difference]: Finished difference Result 364 states and 477 transitions. [2025-02-08 05:54:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:54:56,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 05:54:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:54:56,480 INFO L225 Difference]: With dead ends: 364 [2025-02-08 05:54:56,481 INFO L226 Difference]: Without dead ends: 364 [2025-02-08 05:54:56,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:54:56,482 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 153 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2025-02-08 05:54:56,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 854 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2025-02-08 05:54:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-02-08 05:54:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2025-02-08 05:54:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 352 states have (on average 1.3039772727272727) internal successors, (459), 353 states have internal predecessors, (459), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:54:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 477 transitions. [2025-02-08 05:54:56,500 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 477 transitions. Word has length 9 [2025-02-08 05:54:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:54:56,500 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 477 transitions. [2025-02-08 05:54:56,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:54:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 477 transitions. [2025-02-08 05:54:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 05:54:56,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:54:56,502 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:54:56,509 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 05:54:56,702 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 05:54:56,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:54:56,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:54:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash -534778841, now seen corresponding path program 1 times [2025-02-08 05:54:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:54:56,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362052598] [2025-02-08 05:54:56,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:54:56,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:54:56,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:54:56,705 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 05:54:56,705 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 05:54:56,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 05:54:56,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 05:54:56,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:54:56,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:54:56,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 05:54:56,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:54:56,928 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 05:54:56,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:54:56,929 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:54:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362052598] [2025-02-08 05:54:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362052598] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:54:56,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:54:56,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:54:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526868098] [2025-02-08 05:54:56,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:54:56,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:54:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:54:56,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:54:56,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:54:56,930 INFO L87 Difference]: Start difference. First operand 364 states and 477 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 05:55:01,125 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 05:55:02,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:06,754 WARN L539 Checker$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 05:55:10,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:10,177 INFO L93 Difference]: Finished difference Result 414 states and 541 transitions. [2025-02-08 05:55:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:55:10,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2025-02-08 05:55:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:10,181 INFO L225 Difference]: With dead ends: 414 [2025-02-08 05:55:10,181 INFO L226 Difference]: Without dead ends: 410 [2025-02-08 05:55:10,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 05:55:10,182 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 120 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:10,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 826 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2025-02-08 05:55:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-02-08 05:55:10,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 358. [2025-02-08 05:55:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 346 states have (on average 1.300578034682081) internal successors, (450), 347 states have internal predecessors, (450), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 468 transitions. [2025-02-08 05:55:10,199 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 468 transitions. Word has length 22 [2025-02-08 05:55:10,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:10,199 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 468 transitions. [2025-02-08 05:55:10,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 05:55:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 468 transitions. [2025-02-08 05:55:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 05:55:10,202 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:10,202 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:10,209 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 05:55:10,402 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 05:55:10,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:10,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1845472740, now seen corresponding path program 1 times [2025-02-08 05:55:10,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:10,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836181688] [2025-02-08 05:55:10,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:10,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:10,406 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 05:55:10,408 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 05:55:10,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 05:55:10,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 05:55:10,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:10,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:10,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:10,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:10,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:10,910 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:10,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836181688] [2025-02-08 05:55:10,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836181688] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:10,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:10,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:55:10,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673443125] [2025-02-08 05:55:10,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:10,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:10,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:10,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:10,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:10,912 INFO L87 Difference]: Start difference. First operand 358 states and 468 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:11,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:11,046 INFO L93 Difference]: Finished difference Result 398 states and 508 transitions. [2025-02-08 05:55:11,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:11,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2025-02-08 05:55:11,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:11,048 INFO L225 Difference]: With dead ends: 398 [2025-02-08 05:55:11,048 INFO L226 Difference]: Without dead ends: 398 [2025-02-08 05:55:11,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 05:55:11,048 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 8 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 567 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 05:55:11,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 567 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-02-08 05:55:11,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2025-02-08 05:55:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 386 states have (on average 1.2694300518134716) internal successors, (490), 387 states have internal predecessors, (490), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 508 transitions. [2025-02-08 05:55:11,056 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 508 transitions. Word has length 142 [2025-02-08 05:55:11,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:11,056 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 508 transitions. [2025-02-08 05:55:11,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 508 transitions. [2025-02-08 05:55:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 05:55:11,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:11,058 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:11,073 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 05:55:11,258 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 05:55:11,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:11,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:11,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1975468573, now seen corresponding path program 1 times [2025-02-08 05:55:11,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:11,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [873720705] [2025-02-08 05:55:11,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:11,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:11,261 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 05:55:11,262 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 05:55:11,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 05:55:11,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 05:55:11,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:11,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:11,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:11,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 05:55:11,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:11,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:11,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873720705] [2025-02-08 05:55:11,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873720705] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:11,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:55:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644876774] [2025-02-08 05:55:11,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:11,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:11,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:11,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:11,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:11,752 INFO L87 Difference]: Start difference. First operand 398 states and 508 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:11,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:11,836 INFO L93 Difference]: Finished difference Result 438 states and 548 transitions. [2025-02-08 05:55:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 142 [2025-02-08 05:55:11,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:11,838 INFO L225 Difference]: With dead ends: 438 [2025-02-08 05:55:11,838 INFO L226 Difference]: Without dead ends: 438 [2025-02-08 05:55:11,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 05:55:11,839 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 8 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 567 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 05:55:11,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 567 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-02-08 05:55:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2025-02-08 05:55:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 426 states have (on average 1.244131455399061) internal successors, (530), 427 states have internal predecessors, (530), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 548 transitions. [2025-02-08 05:55:11,846 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 548 transitions. Word has length 142 [2025-02-08 05:55:11,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:11,847 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 548 transitions. [2025-02-08 05:55:11,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 548 transitions. [2025-02-08 05:55:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 05:55:11,848 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:11,848 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:11,864 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 05:55:12,049 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 05:55:12,049 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:12,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:12,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2076380540, now seen corresponding path program 1 times [2025-02-08 05:55:12,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:12,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801279182] [2025-02-08 05:55:12,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:12,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:12,052 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 05:55:12,053 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 05:55:12,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 05:55:12,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 05:55:12,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:12,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:12,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:55:12,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:12,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:12,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:12,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801279182] [2025-02-08 05:55:12,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801279182] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:12,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:12,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:12,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339803972] [2025-02-08 05:55:12,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:12,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:12,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:12,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:12,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:12,930 INFO L87 Difference]: Start difference. First operand 438 states and 548 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:17,315 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 05:55:21,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:22,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:26,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:30,892 WARN L539 Checker$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 05:55:38,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 05:55:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:38,975 INFO L93 Difference]: Finished difference Result 446 states and 556 transitions. [2025-02-08 05:55:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:55:38,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2025-02-08 05:55:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:38,978 INFO L225 Difference]: With dead ends: 446 [2025-02-08 05:55:38,978 INFO L226 Difference]: Without dead ends: 446 [2025-02-08 05:55:38,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 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 05:55:38,979 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 307 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:38,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 689 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 5 Unknown, 0 Unchecked, 26.0s Time] [2025-02-08 05:55:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-02-08 05:55:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 439. [2025-02-08 05:55:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 427 states have (on average 1.2412177985948478) internal successors, (530), 428 states have internal predecessors, (530), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 548 transitions. [2025-02-08 05:55:38,988 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 548 transitions. Word has length 142 [2025-02-08 05:55:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:38,988 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 548 transitions. [2025-02-08 05:55:38,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 548 transitions. [2025-02-08 05:55:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 05:55:38,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:38,990 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:39,008 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 05:55:39,190 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 05:55:39,191 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:39,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash 410872084, now seen corresponding path program 1 times [2025-02-08 05:55:39,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:39,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406041500] [2025-02-08 05:55:39,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:39,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:39,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:39,194 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 05:55:39,194 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 05:55:39,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 05:55:39,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 05:55:39,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:39,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:39,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:39,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:39,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:39,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406041500] [2025-02-08 05:55:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406041500] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:39,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435783290] [2025-02-08 05:55:39,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:39,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:39,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:39,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:39,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:39,767 INFO L87 Difference]: Start difference. First operand 439 states and 548 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:39,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:39,856 INFO L93 Difference]: Finished difference Result 405 states and 492 transitions. [2025-02-08 05:55:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:55:39,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 143 [2025-02-08 05:55:39,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:39,859 INFO L225 Difference]: With dead ends: 405 [2025-02-08 05:55:39,859 INFO L226 Difference]: Without dead ends: 405 [2025-02-08 05:55:39,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:55:39,860 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 32 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 823 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 05:55:39,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 823 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:39,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-08 05:55:39,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-08 05:55:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 393 states have (on average 1.2061068702290076) internal successors, (474), 394 states have internal predecessors, (474), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 492 transitions. [2025-02-08 05:55:39,868 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 492 transitions. Word has length 143 [2025-02-08 05:55:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:39,868 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 492 transitions. [2025-02-08 05:55:39,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 492 transitions. [2025-02-08 05:55:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 05:55:39,869 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:39,869 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:39,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 05:55:40,070 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 05:55:40,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:40,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:40,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1172724781, now seen corresponding path program 1 times [2025-02-08 05:55:40,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:40,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040679170] [2025-02-08 05:55:40,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:40,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:40,073 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 05:55:40,074 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 05:55:40,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 05:55:40,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 05:55:40,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:40,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:40,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:40,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 05:55:40,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:40,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040679170] [2025-02-08 05:55:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040679170] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789227224] [2025-02-08 05:55:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:40,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:40,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:40,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:40,607 INFO L87 Difference]: Start difference. First operand 405 states and 492 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:40,745 INFO L93 Difference]: Finished difference Result 371 states and 436 transitions. [2025-02-08 05:55:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:55:40,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2025-02-08 05:55:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:40,747 INFO L225 Difference]: With dead ends: 371 [2025-02-08 05:55:40,747 INFO L226 Difference]: Without dead ends: 371 [2025-02-08 05:55:40,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:55:40,748 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 32 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 790 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 05:55:40,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 790 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-02-08 05:55:40,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-02-08 05:55:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 359 states have (on average 1.1643454038997214) internal successors, (418), 360 states have internal predecessors, (418), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 436 transitions. [2025-02-08 05:55:40,756 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 436 transitions. Word has length 143 [2025-02-08 05:55:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:40,758 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 436 transitions. [2025-02-08 05:55:40,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 436 transitions. [2025-02-08 05:55:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-08 05:55:40,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:40,759 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:40,774 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 05:55:40,959 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 05:55:40,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:40,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1158142452, now seen corresponding path program 1 times [2025-02-08 05:55:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:40,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190048664] [2025-02-08 05:55:40,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:40,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:40,963 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 05:55:40,963 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 05:55:41,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-08 05:55:41,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-08 05:55:41,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:41,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:41,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:41,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 05:55:41,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:41,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:41,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190048664] [2025-02-08 05:55:41,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190048664] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:41,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:41,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:41,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014915990] [2025-02-08 05:55:41,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:41,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:41,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:41,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:41,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:41,525 INFO L87 Difference]: Start difference. First operand 371 states and 436 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:41,598 INFO L93 Difference]: Finished difference Result 374 states and 442 transitions. [2025-02-08 05:55:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:55:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2025-02-08 05:55:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:41,601 INFO L225 Difference]: With dead ends: 374 [2025-02-08 05:55:41,602 INFO L226 Difference]: Without dead ends: 374 [2025-02-08 05:55:41,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:41,604 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 0 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:41,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 848 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:41,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-08 05:55:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2025-02-08 05:55:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 361 states have (on average 1.1662049861495845) internal successors, (421), 363 states have internal predecessors, (421), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-08 05:55:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 442 transitions. [2025-02-08 05:55:41,613 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 442 transitions. Word has length 143 [2025-02-08 05:55:41,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:41,613 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 442 transitions. [2025-02-08 05:55:41,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 05:55:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 442 transitions. [2025-02-08 05:55:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-08 05:55:41,614 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:41,614 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:41,630 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 05:55:41,815 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 05:55:41,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:41,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:41,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1170358540, now seen corresponding path program 1 times [2025-02-08 05:55:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:41,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17218498] [2025-02-08 05:55:41,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:41,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:41,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:41,818 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 05:55:41,818 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 05:55:42,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-08 05:55:42,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 05:55:42,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:42,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:42,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:55:42,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 05:55:42,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:55:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 05:55:42,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:42,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17218498] [2025-02-08 05:55:42,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17218498] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:55:42,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:55:42,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 05:55:42,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483897206] [2025-02-08 05:55:42,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:55:42,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:55:42,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:42,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:55:42,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:55:42,539 INFO L87 Difference]: Start difference. First operand 374 states and 442 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 05:55:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:42,829 INFO L93 Difference]: Finished difference Result 385 states and 463 transitions. [2025-02-08 05:55:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:55:42,830 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 147 [2025-02-08 05:55:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:42,831 INFO L225 Difference]: With dead ends: 385 [2025-02-08 05:55:42,831 INFO L226 Difference]: Without dead ends: 385 [2025-02-08 05:55:42,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 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 05:55:42,832 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 5 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:42,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1402 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-02-08 05:55:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2025-02-08 05:55:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 369 states have (on average 1.1788617886178863) internal successors, (435), 371 states have internal predecessors, (435), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2025-02-08 05:55:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 459 transitions. [2025-02-08 05:55:42,843 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 459 transitions. Word has length 147 [2025-02-08 05:55:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:42,843 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 459 transitions. [2025-02-08 05:55:42,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 05:55:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 459 transitions. [2025-02-08 05:55:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-02-08 05:55:42,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:42,845 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:42,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 05:55:43,045 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 05:55:43,045 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:43,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 742340212, now seen corresponding path program 2 times [2025-02-08 05:55:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:43,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418920144] [2025-02-08 05:55:43,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:55:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:43,048 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 05:55:43,049 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 05:55:43,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-02-08 05:55:43,627 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-02-08 05:55:43,627 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:55:43,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:43,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 05:55:43,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-08 05:55:43,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:55:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 05:55:43,975 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 05:55:43,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418920144] [2025-02-08 05:55:43,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418920144] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:55:43,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 05:55:43,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 05:55:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787220036] [2025-02-08 05:55:43,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 05:55:43,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 05:55:43,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 05:55:43,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 05:55:43,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 05:55:43,977 INFO L87 Difference]: Start difference. First operand 383 states and 459 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 05:55:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:44,412 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2025-02-08 05:55:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 05:55:44,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 155 [2025-02-08 05:55:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:44,417 INFO L225 Difference]: With dead ends: 391 [2025-02-08 05:55:44,417 INFO L226 Difference]: Without dead ends: 389 [2025-02-08 05:55:44,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-08 05:55:44,418 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 6 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:44,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1130 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 05:55:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-02-08 05:55:44,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2025-02-08 05:55:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 373 states have (on average 1.1823056300268096) internal successors, (441), 375 states have internal predecessors, (441), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-08 05:55:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 462 transitions. [2025-02-08 05:55:44,426 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 462 transitions. Word has length 155 [2025-02-08 05:55:44,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:44,426 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 462 transitions. [2025-02-08 05:55:44,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 05:55:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 462 transitions. [2025-02-08 05:55:44,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-08 05:55:44,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:44,428 INFO L218 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:55:44,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 05:55:44,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:44,629 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:44,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1870337676, now seen corresponding path program 3 times [2025-02-08 05:55:44,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 05:55:44,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253357949] [2025-02-08 05:55:44,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:55:44,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:44,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:44,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:55:44,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 05:55:44,991 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 163 statements into 13 equivalence classes.