./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.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 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:54:46,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:54:46,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-06 09:54:46,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:54:46,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:54:46,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:54:46,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:54:46,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:54:46,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:54:46,561 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:54:46,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:54:46,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:54:46,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:54:46,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:54:46,563 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:54:46,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:54:46,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:54:46,563 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 -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2025-02-06 09:54:46,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:54:46,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:54:46,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:54:46,779 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:54:46,779 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:54:46,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2025-02-06 09:54:47,932 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5afb47aff/073a6ae361b942439247a337dc5470ec/FLAGa38073162 [2025-02-06 09:54:48,249 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:54:48,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2025-02-06 09:54:48,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5afb47aff/073a6ae361b942439247a337dc5470ec/FLAGa38073162 [2025-02-06 09:54:48,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5afb47aff/073a6ae361b942439247a337dc5470ec [2025-02-06 09:54:48,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:54:48,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:54:48,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:54:48,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:54:48,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:54:48,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:54:48" (1/1) ... [2025-02-06 09:54:48,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b09bb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:48, skipping insertion in model container [2025-02-06 09:54:48,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:54:48" (1/1) ... [2025-02-06 09:54:48,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:54:48,571 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,590 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,596 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,600 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,613 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,644 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,646 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,647 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,650 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,663 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,663 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,664 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,664 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,665 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,667 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,668 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,668 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,668 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,671 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,672 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,672 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,672 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,675 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:48,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:54:48,696 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) [2025-02-06 09:54:48,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63c54002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:48, skipping insertion in model container [2025-02-06 09:54:48,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:54:48,697 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-06 09:54:48,699 INFO L158 Benchmark]: Toolchain (without parser) took 417.72ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 98.3MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:54:48,700 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:54:48,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.98ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 98.3MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:54:48,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.98ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 98.3MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 760]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.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 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:54:50,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:54:50,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-06 09:54:50,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:54:50,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:54:50,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:54:50,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:54:50,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:54:50,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:54:50,543 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:54:50,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:54:50,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:54:50,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:54:50,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 09:54:50,544 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:54:50,545 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:54:50,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:54:50,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:54:50,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:54:50,546 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 -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2025-02-06 09:54:50,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:54:50,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:54:50,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:54:50,850 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:54:50,850 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:54:50,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2025-02-06 09:54:52,058 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e89c6bde/be5e27da6588441bba4265e64c5cd2a3/FLAG458762b58 [2025-02-06 09:54:52,371 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:54:52,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2025-02-06 09:54:52,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e89c6bde/be5e27da6588441bba4265e64c5cd2a3/FLAG458762b58 [2025-02-06 09:54:52,629 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e89c6bde/be5e27da6588441bba4265e64c5cd2a3 [2025-02-06 09:54:52,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:54:52,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:54:52,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:54:52,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:54:52,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:54:52,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:54:52" (1/1) ... [2025-02-06 09:54:52,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4afe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:52, skipping insertion in model container [2025-02-06 09:54:52,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:54:52" (1/1) ... [2025-02-06 09:54:52,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:54:52,910 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,943 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,949 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,955 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,962 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,992 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,994 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,996 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:52,999 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,026 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,027 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,028 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,029 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,030 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,031 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,036 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,036 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,037 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,040 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,040 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,041 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,041 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,044 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:54:53,061 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-06 09:54:53,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:54:53,096 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,111 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,112 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,113 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,115 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,125 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,126 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,127 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,129 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,144 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,146 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,147 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,148 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,149 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,150 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,151 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,151 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,152 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,156 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,156 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,157 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,157 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,159 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:54:53,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:54:53,169 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:54:53,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:54:53,311 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:54:53,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53 WrapperNode [2025-02-06 09:54:53,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:54:53,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:54:53,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:54:53,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:54:53,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,392 INFO L138 Inliner]: procedures = 180, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1655 [2025-02-06 09:54:53,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:54:53,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:54:53,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:54:53,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:54:53,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,520 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [417, 2, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 99 writes are split as follows [98, 0, 1]. [2025-02-06 09:54:53,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:54:53,580 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:54:53,580 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:54:53,580 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:54:53,581 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (1/1) ... [2025-02-06 09:54:53,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:54:53,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:54:53,627 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) [2025-02-06 09:54:53,635 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 [2025-02-06 09:54:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-06 09:54:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-06 09:54:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 09:54:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 09:54:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 09:54:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 09:54:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 09:54:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 09:54:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 09:54:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 09:54:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:54:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 09:54:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-06 09:54:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:54:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:54:53,866 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:54:53,868 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:55:08,042 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2025-02-06 09:55:08,134 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-02-06 09:55:08,135 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:55:08,144 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:55:08,144 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:55:08,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:55:08 BoogieIcfgContainer [2025-02-06 09:55:08,145 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:55:08,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:55:08,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:55:08,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:55:08,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:54:52" (1/3) ... [2025-02-06 09:55:08,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e70651a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:55:08, skipping insertion in model container [2025-02-06 09:55:08,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:54:53" (2/3) ... [2025-02-06 09:55:08,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e70651a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:55:08, skipping insertion in model container [2025-02-06 09:55:08,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:55:08" (3/3) ... [2025-02-06 09:55:08,152 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-3.i [2025-02-06 09:55:08,166 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:55:08,170 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test5-3.i that has 6 procedures, 322 locations, 1 initial locations, 58 loop locations, and 2 error locations. [2025-02-06 09:55:08,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:55:08,218 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;@55ad607, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:55:08,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 09:55:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 295 states have (on average 1.6610169491525424) internal successors, (490), 304 states have internal predecessors, (490), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 09:55:08,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 09:55:08,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:08,226 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:08,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:08,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:08,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1248766136, now seen corresponding path program 1 times [2025-02-06 09:55:08,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:08,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394916891] [2025-02-06 09:55:08,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:08,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:08,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:08,249 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) [2025-02-06 09:55:08,251 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 [2025-02-06 09:55:08,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 09:55:08,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 09:55:08,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:08,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:08,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:08,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:55:08,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:08,477 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:08,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394916891] [2025-02-06 09:55:08,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394916891] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:08,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:08,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:08,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855139940] [2025-02-06 09:55:08,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:08,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:08,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:08,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:08,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:08,503 INFO L87 Difference]: Start difference. First operand has 314 states, 295 states have (on average 1.6610169491525424) internal successors, (490), 304 states have internal predecessors, (490), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-06 09:55:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:08,953 INFO L93 Difference]: Finished difference Result 476 states and 639 transitions. [2025-02-06 09:55:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:08,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 [2025-02-06 09:55:08,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:08,968 INFO L225 Difference]: With dead ends: 476 [2025-02-06 09:55:08,969 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 09:55:08,970 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 [2025-02-06 09:55:08,971 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 209 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:08,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 792 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 09:55:08,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 09:55:09,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 421. [2025-02-06 09:55:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 399 states have (on average 1.3333333333333333) internal successors, (532), 411 states have internal predecessors, (532), 18 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 09:55:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 566 transitions. [2025-02-06 09:55:09,023 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 566 transitions. Word has length 8 [2025-02-06 09:55:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:09,023 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 566 transitions. [2025-02-06 09:55:09,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-06 09:55:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 566 transitions. [2025-02-06 09:55:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 09:55:09,024 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:09,024 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:09,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 09:55:09,224 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 [2025-02-06 09:55:09,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:09,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:09,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1248795927, now seen corresponding path program 1 times [2025-02-06 09:55:09,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:09,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370444109] [2025-02-06 09:55:09,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:09,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:09,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:09,230 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) [2025-02-06 09:55:09,231 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 [2025-02-06 09:55:09,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 09:55:09,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 09:55:09,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:09,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:09,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 09:55:09,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:55:09,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:09,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:09,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370444109] [2025-02-06 09:55:09,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370444109] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:09,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:09,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:09,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774823986] [2025-02-06 09:55:09,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:09,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:09,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:09,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:09,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:09,378 INFO L87 Difference]: Start difference. First operand 421 states and 566 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-06 09:55:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:09,563 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2025-02-06 09:55:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:09,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 [2025-02-06 09:55:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:09,569 INFO L225 Difference]: With dead ends: 550 [2025-02-06 09:55:09,569 INFO L226 Difference]: Without dead ends: 550 [2025-02-06 09:55:09,569 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 [2025-02-06 09:55:09,570 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 296 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:09,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 846 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 09:55:09,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2025-02-06 09:55:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 350. [2025-02-06 09:55:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 333 states have (on average 1.3183183183183182) internal successors, (439), 340 states have internal predecessors, (439), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 09:55:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 463 transitions. [2025-02-06 09:55:09,595 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 463 transitions. Word has length 8 [2025-02-06 09:55:09,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:09,595 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 463 transitions. [2025-02-06 09:55:09,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-06 09:55:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 463 transitions. [2025-02-06 09:55:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-06 09:55:09,599 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:09,599 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:09,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 09:55:09,800 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 [2025-02-06 09:55:09,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:09,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash -455779908, now seen corresponding path program 1 times [2025-02-06 09:55:09,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:09,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857311982] [2025-02-06 09:55:09,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:09,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:09,807 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) [2025-02-06 09:55:09,808 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 [2025-02-06 09:55:10,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-06 09:55:10,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-06 09:55:10,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:10,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:10,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:10,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 09:55:10,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:10,846 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857311982] [2025-02-06 09:55:10,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857311982] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:10,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:10,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522234959] [2025-02-06 09:55:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:10,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:10,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:10,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:10,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:10,848 INFO L87 Difference]: Start difference. First operand 350 states and 463 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:11,169 INFO L93 Difference]: Finished difference Result 540 states and 720 transitions. [2025-02-06 09:55:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:11,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2025-02-06 09:55:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:11,176 INFO L225 Difference]: With dead ends: 540 [2025-02-06 09:55:11,176 INFO L226 Difference]: Without dead ends: 540 [2025-02-06 09:55:11,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:11,177 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 199 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:11,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 857 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 09:55:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-06 09:55:11,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 485. [2025-02-06 09:55:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 460 states have (on average 1.3195652173913044) internal successors, (607), 472 states have internal predecessors, (607), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 09:55:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 647 transitions. [2025-02-06 09:55:11,208 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 647 transitions. Word has length 163 [2025-02-06 09:55:11,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:11,208 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 647 transitions. [2025-02-06 09:55:11,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 647 transitions. [2025-02-06 09:55:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-06 09:55:11,222 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:11,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 09:55:11,423 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 [2025-02-06 09:55:11,423 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:11,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1396584579, now seen corresponding path program 1 times [2025-02-06 09:55:11,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:11,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994938493] [2025-02-06 09:55:11,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:11,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:11,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:11,435 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) [2025-02-06 09:55:11,444 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 [2025-02-06 09:55:11,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-06 09:55:12,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 09:55:12,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:12,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:12,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:12,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 09:55:12,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:12,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994938493] [2025-02-06 09:55:12,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994938493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:12,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:12,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:12,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640666412] [2025-02-06 09:55:12,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:12,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:12,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:12,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:12,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:12,051 INFO L87 Difference]: Start difference. First operand 485 states and 647 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:12,152 INFO L93 Difference]: Finished difference Result 525 states and 687 transitions. [2025-02-06 09:55:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 178 [2025-02-06 09:55:12,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:12,154 INFO L225 Difference]: With dead ends: 525 [2025-02-06 09:55:12,154 INFO L226 Difference]: Without dead ends: 525 [2025-02-06 09:55:12,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:12,155 INFO L435 NwaCegarLoop]: 391 mSDtfsCounter, 8 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 767 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 [2025-02-06 09:55:12,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 767 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:12,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-06 09:55:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2025-02-06 09:55:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 500 states have (on average 1.294) internal successors, (647), 512 states have internal predecessors, (647), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 09:55:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 687 transitions. [2025-02-06 09:55:12,163 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 687 transitions. Word has length 178 [2025-02-06 09:55:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:12,163 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 687 transitions. [2025-02-06 09:55:12,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 687 transitions. [2025-02-06 09:55:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-06 09:55:12,165 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:12,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:12,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:12,369 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 [2025-02-06 09:55:12,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:12,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2099180418, now seen corresponding path program 1 times [2025-02-06 09:55:12,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:12,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92753032] [2025-02-06 09:55:12,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:12,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:12,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:12,373 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) [2025-02-06 09:55:12,374 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 [2025-02-06 09:55:12,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-06 09:55:12,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 09:55:12,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:12,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:12,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:12,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 09:55:13,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:13,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:13,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92753032] [2025-02-06 09:55:13,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92753032] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:13,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:13,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382981648] [2025-02-06 09:55:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:13,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:13,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:13,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:13,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:13,028 INFO L87 Difference]: Start difference. First operand 525 states and 687 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:13,117 INFO L93 Difference]: Finished difference Result 565 states and 727 transitions. [2025-02-06 09:55:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 178 [2025-02-06 09:55:13,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:13,119 INFO L225 Difference]: With dead ends: 565 [2025-02-06 09:55:13,119 INFO L226 Difference]: Without dead ends: 565 [2025-02-06 09:55:13,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:13,119 INFO L435 NwaCegarLoop]: 391 mSDtfsCounter, 8 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 767 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 [2025-02-06 09:55:13,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 767 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2025-02-06 09:55:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2025-02-06 09:55:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 540 states have (on average 1.2722222222222221) internal successors, (687), 552 states have internal predecessors, (687), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 09:55:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 727 transitions. [2025-02-06 09:55:13,128 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 727 transitions. Word has length 178 [2025-02-06 09:55:13,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:13,129 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 727 transitions. [2025-02-06 09:55:13,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 727 transitions. [2025-02-06 09:55:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-06 09:55:13,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:13,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:13,148 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 [2025-02-06 09:55:13,330 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 [2025-02-06 09:55:13,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:13,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:13,331 INFO L85 PathProgramCache]: Analyzing trace with hash 891262243, now seen corresponding path program 1 times [2025-02-06 09:55:13,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:13,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863755794] [2025-02-06 09:55:13,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:13,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:13,335 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) [2025-02-06 09:55:13,336 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 [2025-02-06 09:55:13,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-06 09:55:13,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 09:55:13,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:13,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:13,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:13,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 09:55:14,188 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:14,188 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:14,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863755794] [2025-02-06 09:55:14,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863755794] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:14,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:14,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:14,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422928144] [2025-02-06 09:55:14,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:14,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:14,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:14,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:14,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:14,189 INFO L87 Difference]: Start difference. First operand 565 states and 727 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:18,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:55:22,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:55:26,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:55:30,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:55:36,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:55:38,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:38,087 INFO L93 Difference]: Finished difference Result 511 states and 647 transitions. [2025-02-06 09:55:38,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:55:38,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 178 [2025-02-06 09:55:38,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:38,090 INFO L225 Difference]: With dead ends: 511 [2025-02-06 09:55:38,090 INFO L226 Difference]: Without dead ends: 511 [2025-02-06 09:55:38,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:38,090 INFO L435 NwaCegarLoop]: 477 mSDtfsCounter, 520 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:38,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 728 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 125 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2025-02-06 09:55:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-02-06 09:55:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-02-06 09:55:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 491 states have (on average 1.2566191446028514) internal successors, (617), 498 states have internal predecessors, (617), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 09:55:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 647 transitions. [2025-02-06 09:55:38,099 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 647 transitions. Word has length 178 [2025-02-06 09:55:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:38,099 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 647 transitions. [2025-02-06 09:55:38,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 647 transitions. [2025-02-06 09:55:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 09:55:38,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:38,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:38,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:38,301 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 [2025-02-06 09:55:38,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:38,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2002125489, now seen corresponding path program 1 times [2025-02-06 09:55:38,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:38,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65289252] [2025-02-06 09:55:38,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:38,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:38,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:38,306 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) [2025-02-06 09:55:38,306 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 [2025-02-06 09:55:38,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 09:55:38,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 09:55:38,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:38,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:38,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:38,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 09:55:38,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:38,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65289252] [2025-02-06 09:55:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65289252] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:38,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:38,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458220605] [2025-02-06 09:55:38,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:38,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:38,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:38,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:38,899 INFO L87 Difference]: Start difference. First operand 511 states and 647 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:38,978 INFO L93 Difference]: Finished difference Result 477 states and 591 transitions. [2025-02-06 09:55:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:55:38,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 186 [2025-02-06 09:55:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:38,980 INFO L225 Difference]: With dead ends: 477 [2025-02-06 09:55:38,980 INFO L226 Difference]: Without dead ends: 477 [2025-02-06 09:55:38,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:38,981 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 32 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1120 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 [2025-02-06 09:55:38,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1120 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:38,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-02-06 09:55:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2025-02-06 09:55:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 457 states have (on average 1.2275711159737417) internal successors, (561), 464 states have internal predecessors, (561), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 09:55:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 591 transitions. [2025-02-06 09:55:38,988 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 591 transitions. Word has length 186 [2025-02-06 09:55:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:38,988 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 591 transitions. [2025-02-06 09:55:38,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 591 transitions. [2025-02-06 09:55:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 09:55:38,989 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:38,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:39,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 09:55:39,193 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 [2025-02-06 09:55:39,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:39,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash 2069722262, now seen corresponding path program 1 times [2025-02-06 09:55:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668153839] [2025-02-06 09:55:39,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:39,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:39,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:39,197 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) [2025-02-06 09:55:39,199 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 [2025-02-06 09:55:39,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 09:55:39,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 09:55:39,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:39,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:39,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:39,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 09:55:39,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:39,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:39,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668153839] [2025-02-06 09:55:39,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668153839] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:39,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:39,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:39,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113094857] [2025-02-06 09:55:39,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:39,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:39,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:39,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:39,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:39,775 INFO L87 Difference]: Start difference. First operand 477 states and 591 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:39,860 INFO L93 Difference]: Finished difference Result 443 states and 535 transitions. [2025-02-06 09:55:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:55:39,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2025-02-06 09:55:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:39,862 INFO L225 Difference]: With dead ends: 443 [2025-02-06 09:55:39,862 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 09:55:39,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:39,864 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 32 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1087 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 [2025-02-06 09:55:39,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1087 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:39,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 09:55:39,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-02-06 09:55:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 423 states have (on average 1.1938534278959811) internal successors, (505), 430 states have internal predecessors, (505), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 09:55:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 535 transitions. [2025-02-06 09:55:39,873 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 535 transitions. Word has length 186 [2025-02-06 09:55:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:39,875 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 535 transitions. [2025-02-06 09:55:39,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 535 transitions. [2025-02-06 09:55:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 09:55:39,876 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:39,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:39,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 09:55:40,077 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 [2025-02-06 09:55:40,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:40,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:40,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1495941009, now seen corresponding path program 1 times [2025-02-06 09:55:40,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:40,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321545980] [2025-02-06 09:55:40,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:40,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:40,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:40,082 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) [2025-02-06 09:55:40,085 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 [2025-02-06 09:55:40,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 09:55:40,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 09:55:40,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:40,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:40,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:40,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-06 09:55:40,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:40,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:40,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321545980] [2025-02-06 09:55:40,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321545980] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:40,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:40,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:40,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287861260] [2025-02-06 09:55:40,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:40,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:40,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:40,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:40,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:40,661 INFO L87 Difference]: Start difference. First operand 443 states and 535 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:40,760 INFO L93 Difference]: Finished difference Result 446 states and 530 transitions. [2025-02-06 09:55:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:55:40,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 186 [2025-02-06 09:55:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:40,762 INFO L225 Difference]: With dead ends: 446 [2025-02-06 09:55:40,762 INFO L226 Difference]: Without dead ends: 446 [2025-02-06 09:55:40,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:40,764 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 30 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:40,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1058 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:40,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-02-06 09:55:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-02-06 09:55:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 426 states have (on average 1.1737089201877935) internal successors, (500), 433 states have internal predecessors, (500), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 09:55:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 530 transitions. [2025-02-06 09:55:40,771 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 530 transitions. Word has length 186 [2025-02-06 09:55:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:40,771 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 530 transitions. [2025-02-06 09:55:40,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 09:55:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 530 transitions. [2025-02-06 09:55:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 09:55:40,773 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:40,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:40,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:40,978 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 [2025-02-06 09:55:40,978 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:40,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:40,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1663510728, now seen corresponding path program 1 times [2025-02-06 09:55:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:40,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082861866] [2025-02-06 09:55:40,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:40,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:40,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:40,982 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) [2025-02-06 09:55:40,987 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 [2025-02-06 09:55:41,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 09:55:41,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 09:55:41,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:41,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:41,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:41,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 09:55:41,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:41,636 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:41,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082861866] [2025-02-06 09:55:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082861866] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:41,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:41,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561861642] [2025-02-06 09:55:41,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:41,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:41,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:41,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:41,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:41,637 INFO L87 Difference]: Start difference. First operand 446 states and 530 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:41,694 INFO L93 Difference]: Finished difference Result 449 states and 536 transitions. [2025-02-06 09:55:41,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:55:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2025-02-06 09:55:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:41,696 INFO L225 Difference]: With dead ends: 449 [2025-02-06 09:55:41,697 INFO L226 Difference]: Without dead ends: 449 [2025-02-06 09:55:41,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:41,698 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 0 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:41,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1112 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 09:55:41,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-02-06 09:55:41,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2025-02-06 09:55:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 428 states have (on average 1.175233644859813) internal successors, (503), 436 states have internal predecessors, (503), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (17), 10 states have call predecessors, (17), 14 states have call successors, (17) [2025-02-06 09:55:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 536 transitions. [2025-02-06 09:55:41,719 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 536 transitions. Word has length 186 [2025-02-06 09:55:41,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:41,719 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 536 transitions. [2025-02-06 09:55:41,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:55:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 536 transitions. [2025-02-06 09:55:41,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-06 09:55:41,721 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:41,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:41,738 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 [2025-02-06 09:55:41,925 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 [2025-02-06 09:55:41,925 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:41,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:41,927 INFO L85 PathProgramCache]: Analyzing trace with hash -735784888, now seen corresponding path program 1 times [2025-02-06 09:55:41,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:41,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084708383] [2025-02-06 09:55:41,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:41,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:41,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:41,930 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) [2025-02-06 09:55:41,930 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 [2025-02-06 09:55:42,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-06 09:55:42,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-06 09:55:42,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:42,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:42,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:42,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-06 09:55:42,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:55:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-06 09:55:43,196 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:43,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084708383] [2025-02-06 09:55:43,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084708383] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:55:43,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:55:43,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-02-06 09:55:43,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435172829] [2025-02-06 09:55:43,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:55:43,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:55:43,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:43,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:55:43,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:55:43,200 INFO L87 Difference]: Start difference. First operand 449 states and 536 transitions. Second operand has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 09:55:43,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:43,681 INFO L93 Difference]: Finished difference Result 970 states and 1169 transitions. [2025-02-06 09:55:43,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:55:43,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 190 [2025-02-06 09:55:43,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:43,684 INFO L225 Difference]: With dead ends: 970 [2025-02-06 09:55:43,684 INFO L226 Difference]: Without dead ends: 970 [2025-02-06 09:55:43,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-06 09:55:43,686 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 935 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:43,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1781 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 09:55:43,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2025-02-06 09:55:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 895. [2025-02-06 09:55:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 860 states have (on average 1.1709302325581394) internal successors, (1007), 873 states have internal predecessors, (1007), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36) [2025-02-06 09:55:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1073 transitions. [2025-02-06 09:55:43,701 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1073 transitions. Word has length 190 [2025-02-06 09:55:43,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:43,701 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1073 transitions. [2025-02-06 09:55:43,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 09:55:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1073 transitions. [2025-02-06 09:55:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2025-02-06 09:55:43,705 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:43,705 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:43,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 09:55:43,906 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 [2025-02-06 09:55:43,906 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:43,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1585617080, now seen corresponding path program 1 times [2025-02-06 09:55:43,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:43,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294741138] [2025-02-06 09:55:43,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:43,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:43,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:43,911 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) [2025-02-06 09:55:43,913 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 [2025-02-06 09:55:44,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 502 statements into 1 equivalence classes. [2025-02-06 09:55:45,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 502 of 502 statements. [2025-02-06 09:55:45,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:45,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:45,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:55:45,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 143 proven. 1 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2025-02-06 09:55:45,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:55:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 115 proven. 13 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2025-02-06 09:55:45,492 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:45,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294741138] [2025-02-06 09:55:45,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294741138] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:55:45,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:55:45,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 09:55:45,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027783289] [2025-02-06 09:55:45,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:55:45,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:55:45,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:45,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:55:45,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:55:45,494 INFO L87 Difference]: Start difference. First operand 895 states and 1073 transitions. Second operand has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 09:55:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:45,629 INFO L93 Difference]: Finished difference Result 906 states and 1104 transitions. [2025-02-06 09:55:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 09:55:45,630 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 502 [2025-02-06 09:55:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:45,632 INFO L225 Difference]: With dead ends: 906 [2025-02-06 09:55:45,632 INFO L226 Difference]: Without dead ends: 906 [2025-02-06 09:55:45,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1005 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:55:45,633 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 5 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:45,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1475 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:45,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2025-02-06 09:55:45,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 904. [2025-02-06 09:55:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 868 states have (on average 1.1762672811059909) internal successors, (1021), 881 states have internal predecessors, (1021), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (44), 20 states have call predecessors, (44), 28 states have call successors, (44) [2025-02-06 09:55:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1095 transitions. [2025-02-06 09:55:45,645 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1095 transitions. Word has length 502 [2025-02-06 09:55:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:45,645 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1095 transitions. [2025-02-06 09:55:45,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 09:55:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1095 transitions. [2025-02-06 09:55:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2025-02-06 09:55:45,647 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:45,648 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:45,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 09:55:45,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:45,852 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:45,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1915129288, now seen corresponding path program 2 times [2025-02-06 09:55:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961951160] [2025-02-06 09:55:45,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:55:45,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:45,856 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:45,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 09:55:46,495 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 510 statements into 2 equivalence classes. [2025-02-06 09:55:47,260 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 510 of 510 statements. [2025-02-06 09:55:47,260 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 09:55:47,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:47,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 09:55:47,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 157 proven. 3 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2025-02-06 09:55:47,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:55:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 109 proven. 48 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2025-02-06 09:55:47,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:47,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961951160] [2025-02-06 09:55:47,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961951160] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:55:47,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:55:47,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 09:55:47,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102681614] [2025-02-06 09:55:47,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:55:47,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 09:55:47,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:47,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 09:55:47,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 09:55:47,572 INFO L87 Difference]: Start difference. First operand 904 states and 1095 transitions. Second operand has 10 states, 10 states have (on average 22.4) internal successors, (224), 10 states have internal predecessors, (224), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 09:55:47,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:47,839 INFO L93 Difference]: Finished difference Result 912 states and 1105 transitions. [2025-02-06 09:55:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 09:55:47,839 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.4) internal successors, (224), 10 states have internal predecessors, (224), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 510 [2025-02-06 09:55:47,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:47,842 INFO L225 Difference]: With dead ends: 912 [2025-02-06 09:55:47,843 INFO L226 Difference]: Without dead ends: 910 [2025-02-06 09:55:47,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-06 09:55:47,843 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 5 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2576 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:47,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2576 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 09:55:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2025-02-06 09:55:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 908. [2025-02-06 09:55:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 872 states have (on average 1.1777522935779816) internal successors, (1027), 885 states have internal predecessors, (1027), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36) [2025-02-06 09:55:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1093 transitions. [2025-02-06 09:55:47,859 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1093 transitions. Word has length 510 [2025-02-06 09:55:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:47,860 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1093 transitions. [2025-02-06 09:55:47,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.4) internal successors, (224), 10 states have internal predecessors, (224), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 09:55:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1093 transitions. [2025-02-06 09:55:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2025-02-06 09:55:47,862 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:47,862 INFO L218 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:47,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:48,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:48,063 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:48,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:48,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1703426104, now seen corresponding path program 3 times [2025-02-06 09:55:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250460200] [2025-02-06 09:55:48,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 09:55:48,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:48,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:48,067 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:48,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 09:55:48,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 518 statements into 16 equivalence classes.