./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.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_BER_test2-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:43:12,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:43:12,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-06 09:43:12,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:43:12,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:43:12,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:43:12,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:43:12,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:43:12,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:43:12,410 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:43:12,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:43:12,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:43:12,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:43:12,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:43:12,411 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:43:12,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:43:12,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:43:12,411 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:43:12,412 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:43:12,413 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:43:12,413 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:43:12,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:43:12,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:43:12,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:43:12,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:43:12,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:43:12,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:43:12,414 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 -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2025-02-06 09:43:12,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:43:12,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:43:12,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:43:12,647 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:43:12,648 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:43:12,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-02-06 09:43:13,772 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9359279/6fcd04baf9e94b1ba29e3309c2f95383/FLAG576c82f86 [2025-02-06 09:43:14,083 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:43:14,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-02-06 09:43:14,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9359279/6fcd04baf9e94b1ba29e3309c2f95383/FLAG576c82f86 [2025-02-06 09:43:14,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9359279/6fcd04baf9e94b1ba29e3309c2f95383 [2025-02-06 09:43:14,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:43:14,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:43:14,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:43:14,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:43:14,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:43:14,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:43:14" (1/1) ... [2025-02-06 09:43:14,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2962c04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:14, skipping insertion in model container [2025-02-06 09:43:14,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:43:14" (1/1) ... [2025-02-06 09:43:14,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:43:14,658 WARN 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 09:43:14,687 WARN 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 09:43:14,690 WARN 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 09:43:14,692 WARN 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 09:43:14,697 WARN 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 09:43:14,723 WARN 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 09:43:14,723 WARN 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 09:43:14,725 WARN 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 09:43:14,725 WARN 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 09:43:14,726 WARN 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 09:43:14,727 WARN 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 09:43:14,728 WARN 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 09:43:14,729 WARN 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 09:43:14,729 WARN 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 09:43:14,732 WARN 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 09:43:14,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:43:14,748 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 09:43:14,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@759539cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:14, skipping insertion in model container [2025-02-06 09:43:14,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:43:14,749 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-06 09:43:14,751 INFO L158 Benchmark]: Toolchain (without parser) took 388.13ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 89.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:43:14,751 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:43:14,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.15ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 89.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:43:14,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.15ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 89.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 833]: 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_BER_test2-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:43:16,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:43:16,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-06 09:43:16,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:43:16,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:43:16,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:43:16,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:43:16,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:43:16,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:43:16,623 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:43:16,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:43:16,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:43:16,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:43:16,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:43:16,625 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:43:16,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:43:16,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:43:16,625 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:43:16,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:43:16,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:43:16,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:43:16,627 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:43:16,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:43:16,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:43:16,627 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 -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2025-02-06 09:43:16,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:43:16,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:43:16,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:43:16,852 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:43:16,852 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:43:16,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-02-06 09:43:18,181 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/167b98330/d9348bfc4ffd41a0a75189ac02d1a33e/FLAG7a3b07ffd [2025-02-06 09:43:18,481 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:43:18,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-02-06 09:43:18,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/167b98330/d9348bfc4ffd41a0a75189ac02d1a33e/FLAG7a3b07ffd [2025-02-06 09:43:18,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/167b98330/d9348bfc4ffd41a0a75189ac02d1a33e [2025-02-06 09:43:18,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:43:18,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:43:18,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:43:18,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:43:18,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:43:18,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:43:18" (1/1) ... [2025-02-06 09:43:18,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7098f961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:18, skipping insertion in model container [2025-02-06 09:43:18,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:43:18" (1/1) ... [2025-02-06 09:43:18,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:43:18,797 WARN 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 09:43:18,821 WARN 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 09:43:18,826 WARN 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 09:43:18,829 WARN 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 09:43:18,834 WARN 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 09:43:18,863 WARN 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 09:43:18,863 WARN 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 09:43:18,865 WARN 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 09:43:18,865 WARN 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 09:43:18,866 WARN 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 09:43:18,869 WARN 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 09:43:18,870 WARN 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 09:43:18,871 WARN 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 09:43:18,872 WARN 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 09:43:18,876 WARN 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 09:43:18,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:43:18,889 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-06 09:43:18,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:43:18,931 WARN 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 09:43:18,948 WARN 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 09:43:18,949 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 09:43:18,951 WARN 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 09:43:18,954 WARN 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 09:43:18,977 WARN 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 09:43:18,978 WARN 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 09:43:18,979 WARN 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 09:43:18,979 WARN 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 09:43:18,980 WARN 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 09:43:18,981 WARN 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 09:43:18,982 WARN 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 09:43:18,982 WARN 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 09:43:18,983 WARN 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 09:43:18,985 WARN 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 09:43:18,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:43:18,989 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:43:19,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:43:19,093 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:43:19,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19 WrapperNode [2025-02-06 09:43:19,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:43:19,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:43:19,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:43:19,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:43:19,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,168 INFO L138 Inliner]: procedures = 211, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1018 [2025-02-06 09:43:19,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:43:19,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:43:19,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:43:19,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:43:19,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,245 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [220, 2, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [50, 0, 4]. [2025-02-06 09:43:19,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:43:19,297 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:43:19,297 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:43:19,297 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:43:19,298 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (1/1) ... [2025-02-06 09:43:19,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:43:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:19,320 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 09:43:19,322 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 09:43:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-06 09:43:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-06 09:43:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-06 09:43:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-06 09:43:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 09:43:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 09:43:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 09:43:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-06 09:43:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-06 09:43:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 09:43:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 09:43:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 09:43:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 09:43:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:43:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:43:19,497 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:43:19,499 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:43:25,726 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-06 09:43:25,823 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-02-06 09:43:25,824 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:43:25,836 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:43:25,838 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:43:25,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:43:25 BoogieIcfgContainer [2025-02-06 09:43:25,838 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:43:25,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:43:25,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:43:25,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:43:25,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:43:18" (1/3) ... [2025-02-06 09:43:25,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bced64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:43:25, skipping insertion in model container [2025-02-06 09:43:25,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:43:19" (2/3) ... [2025-02-06 09:43:25,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bced64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:43:25, skipping insertion in model container [2025-02-06 09:43:25,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:43:25" (3/3) ... [2025-02-06 09:43:25,850 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2025-02-06 09:43:25,874 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:43:25,875 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test2-2.i that has 6 procedures, 220 locations, 1 initial locations, 38 loop locations, and 2 error locations. [2025-02-06 09:43:25,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:43:25,942 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;@776e493, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:43:25,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 09:43:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 196 states have (on average 1.653061224489796) internal successors, (324), 205 states have internal predecessors, (324), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 09:43:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 09:43:25,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:25,957 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:25,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:25,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:25,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1998931673, now seen corresponding path program 1 times [2025-02-06 09:43:25,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:25,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1203271030] [2025-02-06 09:43:25,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:25,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:25,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:26,013 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 09:43:26,041 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 09:43:26,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 09:43:26,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 09:43:26,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:26,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:26,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 09:43:26,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:26,352 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 09:43:26,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:26,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:26,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203271030] [2025-02-06 09:43:26,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203271030] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:26,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:26,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:43:26,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026108440] [2025-02-06 09:43:26,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:26,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:43:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:26,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:43:26,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:43:26,395 INFO L87 Difference]: Start difference. First operand has 212 states, 196 states have (on average 1.653061224489796) internal successors, (324), 205 states have internal predecessors, (324), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:26,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:26,412 INFO L93 Difference]: Finished difference Result 210 states and 277 transitions. [2025-02-06 09:43:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:43:26,414 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-06 09:43:26,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:26,421 INFO L225 Difference]: With dead ends: 210 [2025-02-06 09:43:26,422 INFO L226 Difference]: Without dead ends: 208 [2025-02-06 09:43:26,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:43:26,426 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:26,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 09:43:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-02-06 09:43:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2025-02-06 09:43:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 194 states have (on average 1.324742268041237) internal successors, (257), 201 states have internal predecessors, (257), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 09:43:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2025-02-06 09:43:26,475 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 11 [2025-02-06 09:43:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:26,475 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2025-02-06 09:43:26,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2025-02-06 09:43:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 09:43:26,476 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:26,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:26,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 09:43:26,679 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 09:43:26,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:26,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash -746194252, now seen corresponding path program 1 times [2025-02-06 09:43:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312949341] [2025-02-06 09:43:26,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:26,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:26,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:26,687 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 09:43:26,688 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 09:43:26,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 09:43:26,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 09:43:26,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:26,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:26,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:43:26,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:27,111 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 09:43:27,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:27,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:27,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312949341] [2025-02-06 09:43:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312949341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:27,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:27,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:43:27,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723168372] [2025-02-06 09:43:27,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:27,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:43:27,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:27,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:43:27,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:43:27,117 INFO L87 Difference]: Start difference. First operand 208 states and 275 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:27,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:27,971 INFO L93 Difference]: Finished difference Result 336 states and 449 transitions. [2025-02-06 09:43:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:43:27,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-06 09:43:27,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:27,976 INFO L225 Difference]: With dead ends: 336 [2025-02-06 09:43:27,977 INFO L226 Difference]: Without dead ends: 336 [2025-02-06 09:43:27,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:43:27,978 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 154 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:27,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 512 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 09:43:27,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-02-06 09:43:27,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 306. [2025-02-06 09:43:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 287 states have (on average 1.3310104529616724) internal successors, (382), 299 states have internal predecessors, (382), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 09:43:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 410 transitions. [2025-02-06 09:43:27,994 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 410 transitions. Word has length 12 [2025-02-06 09:43:27,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:27,994 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 410 transitions. [2025-02-06 09:43:27,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 410 transitions. [2025-02-06 09:43:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 09:43:27,995 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:27,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:28,001 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 09:43:28,195 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 09:43:28,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:28,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash -746164461, now seen corresponding path program 1 times [2025-02-06 09:43:28,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:28,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387015032] [2025-02-06 09:43:28,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:28,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:28,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:28,199 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 09:43:28,200 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 09:43:28,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 09:43:28,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 09:43:28,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:28,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:28,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:43:28,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:28,370 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:28,371 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:28,392 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:28,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-06 09:43:28,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:43:28,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-06 09:43:28,621 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 09:43:28,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:28,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387015032] [2025-02-06 09:43:28,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387015032] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:28,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900827938] [2025-02-06 09:43:28,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:28,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:28,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:28,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:28,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:28,623 INFO L87 Difference]: Start difference. First operand 306 states and 410 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:29,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:29,213 INFO L93 Difference]: Finished difference Result 471 states and 640 transitions. [2025-02-06 09:43:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:43:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-06 09:43:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:29,227 INFO L225 Difference]: With dead ends: 471 [2025-02-06 09:43:29,227 INFO L226 Difference]: Without dead ends: 471 [2025-02-06 09:43:29,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:43:29,228 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 236 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:29,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 759 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 09:43:29,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-06 09:43:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 305. [2025-02-06 09:43:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 286 states have (on average 1.3286713286713288) internal successors, (380), 298 states have internal predecessors, (380), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 09:43:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 408 transitions. [2025-02-06 09:43:29,254 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 408 transitions. Word has length 12 [2025-02-06 09:43:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:29,254 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 408 transitions. [2025-02-06 09:43:29,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:43:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 408 transitions. [2025-02-06 09:43:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 09:43:29,264 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:29,264 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:29,278 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 09:43:29,464 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 09:43:29,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:29,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:29,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2005551868, now seen corresponding path program 1 times [2025-02-06 09:43:29,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:29,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642319082] [2025-02-06 09:43:29,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:29,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:29,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:29,476 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 09:43:29,478 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 09:43:29,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 09:43:29,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 09:43:29,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:29,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:29,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:43:29,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 09:43:30,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:30,113 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:30,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642319082] [2025-02-06 09:43:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642319082] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:30,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681678912] [2025-02-06 09:43:30,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:30,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:30,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:30,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:30,115 INFO L87 Difference]: Start difference. First operand 305 states and 408 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:34,372 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 09:43:38,385 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 09:43:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:40,901 INFO L93 Difference]: Finished difference Result 317 states and 414 transitions. [2025-02-06 09:43:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:43:40,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-02-06 09:43:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:40,903 INFO L225 Difference]: With dead ends: 317 [2025-02-06 09:43:40,903 INFO L226 Difference]: Without dead ends: 317 [2025-02-06 09:43:40,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:43:40,903 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 450 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:40,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 460 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2025-02-06 09:43:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-02-06 09:43:40,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 249. [2025-02-06 09:43:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 242 states have internal predecessors, (307), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 09:43:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 325 transitions. [2025-02-06 09:43:40,910 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 325 transitions. Word has length 82 [2025-02-06 09:43:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:40,910 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 325 transitions. [2025-02-06 09:43:40,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 325 transitions. [2025-02-06 09:43:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 09:43:40,911 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:40,912 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:40,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 09:43:41,115 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 09:43:41,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:41,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2097136431, now seen corresponding path program 1 times [2025-02-06 09:43:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:41,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997695764] [2025-02-06 09:43:41,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:41,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:41,126 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 09:43:41,135 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 09:43:41,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 09:43:41,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 09:43:41,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:41,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:41,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:43:41,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 09:43:41,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:41,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:41,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997695764] [2025-02-06 09:43:41,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997695764] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:41,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:41,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599135116] [2025-02-06 09:43:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:41,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:41,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:41,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:41,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:41,572 INFO L87 Difference]: Start difference. First operand 249 states and 325 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:41,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:41,702 INFO L93 Difference]: Finished difference Result 255 states and 315 transitions. [2025-02-06 09:43:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:43:41,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 91 [2025-02-06 09:43:41,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:41,704 INFO L225 Difference]: With dead ends: 255 [2025-02-06 09:43:41,704 INFO L226 Difference]: Without dead ends: 255 [2025-02-06 09:43:41,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 09:43:41,705 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 30 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 713 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 09:43:41,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 713 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:43:41,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-02-06 09:43:41,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-02-06 09:43:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 241 states have (on average 1.2323651452282158) internal successors, (297), 248 states have internal predecessors, (297), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 09:43:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 315 transitions. [2025-02-06 09:43:41,711 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 315 transitions. Word has length 91 [2025-02-06 09:43:41,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:41,711 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 315 transitions. [2025-02-06 09:43:41,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 315 transitions. [2025-02-06 09:43:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 09:43:41,713 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:41,713 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:41,723 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 09:43:41,913 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 09:43:41,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:41,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:41,914 INFO L85 PathProgramCache]: Analyzing trace with hash 984107032, now seen corresponding path program 1 times [2025-02-06 09:43:41,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:41,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989059047] [2025-02-06 09:43:41,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:41,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:41,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:41,917 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 09:43:41,918 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 09:43:42,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 09:43:42,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 09:43:42,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:42,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:42,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 09:43:42,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 09:43:42,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:42,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:42,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989059047] [2025-02-06 09:43:42,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989059047] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:42,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:42,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:42,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634234514] [2025-02-06 09:43:42,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:42,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:42,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:42,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:42,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:42,316 INFO L87 Difference]: Start difference. First operand 255 states and 315 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:46,844 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 09:43:50,851 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 09:43:52,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:52,251 INFO L93 Difference]: Finished difference Result 257 states and 317 transitions. [2025-02-06 09:43:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:43:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 91 [2025-02-06 09:43:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:52,255 INFO L225 Difference]: With dead ends: 257 [2025-02-06 09:43:52,255 INFO L226 Difference]: Without dead ends: 257 [2025-02-06 09:43:52,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 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 09:43:52,256 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 221 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:52,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 474 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2025-02-06 09:43:52,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-02-06 09:43:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 256. [2025-02-06 09:43:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 242 states have (on average 1.2314049586776858) internal successors, (298), 249 states have internal predecessors, (298), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 09:43:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 316 transitions. [2025-02-06 09:43:52,272 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 316 transitions. Word has length 91 [2025-02-06 09:43:52,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:52,272 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 316 transitions. [2025-02-06 09:43:52,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 316 transitions. [2025-02-06 09:43:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 09:43:52,277 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:52,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:52,303 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 09:43:52,478 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 09:43:52,478 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:52,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash 984136823, now seen corresponding path program 1 times [2025-02-06 09:43:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:52,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951494740] [2025-02-06 09:43:52,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:52,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:52,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:52,481 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 09:43:52,482 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 09:43:52,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 09:43:52,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 09:43:52,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:52,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:52,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:43:52,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:43:52,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:52,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:52,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951494740] [2025-02-06 09:43:52,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951494740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:52,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:52,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:52,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546156749] [2025-02-06 09:43:52,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:52,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:52,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:52,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:52,996 INFO L87 Difference]: Start difference. First operand 256 states and 316 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:53,076 INFO L93 Difference]: Finished difference Result 259 states and 320 transitions. [2025-02-06 09:43:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:43:53,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 91 [2025-02-06 09:43:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:53,078 INFO L225 Difference]: With dead ends: 259 [2025-02-06 09:43:53,078 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 09:43:53,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 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 09:43:53,079 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 0 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:53,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 773 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:43:53,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 09:43:53,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2025-02-06 09:43:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 244 states have (on average 1.2336065573770492) internal successors, (301), 252 states have internal predecessors, (301), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 09:43:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 320 transitions. [2025-02-06 09:43:53,089 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 320 transitions. Word has length 91 [2025-02-06 09:43:53,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:53,089 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 320 transitions. [2025-02-06 09:43:53,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 320 transitions. [2025-02-06 09:43:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 09:43:53,091 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:53,091 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:53,102 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 09:43:53,291 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 09:43:53,292 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:53,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:53,292 INFO L85 PathProgramCache]: Analyzing trace with hash -140562021, now seen corresponding path program 1 times [2025-02-06 09:43:53,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:53,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051748209] [2025-02-06 09:43:53,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:53,295 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 09:43:53,297 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 09:43:53,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 09:43:53,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 09:43:53,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:53,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:53,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:43:53,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 09:43:53,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:43:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 09:43:53,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051748209] [2025-02-06 09:43:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051748209] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:43:53,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:43:53,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 09:43:53,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856061581] [2025-02-06 09:43:53,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:43:53,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:43:53,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:53,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:43:53,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:43:53,990 INFO L87 Difference]: Start difference. First operand 259 states and 320 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 09:43:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:54,286 INFO L93 Difference]: Finished difference Result 270 states and 337 transitions. [2025-02-06 09:43:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 09:43:54,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 93 [2025-02-06 09:43:54,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:54,289 INFO L225 Difference]: With dead ends: 270 [2025-02-06 09:43:54,290 INFO L226 Difference]: Without dead ends: 270 [2025-02-06 09:43:54,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:43:54,290 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 4 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:54,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1535 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 09:43:54,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-02-06 09:43:54,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 268. [2025-02-06 09:43:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 252 states have (on average 1.25) internal successors, (315), 260 states have internal predecessors, (315), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 09:43:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 335 transitions. [2025-02-06 09:43:54,303 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 335 transitions. Word has length 93 [2025-02-06 09:43:54,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:54,304 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 335 transitions. [2025-02-06 09:43:54,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 09:43:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 335 transitions. [2025-02-06 09:43:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 09:43:54,307 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:54,308 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:54,320 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 09:43:54,508 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 09:43:54,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:54,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:54,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1846082327, now seen corresponding path program 2 times [2025-02-06 09:43:54,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:54,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672154400] [2025-02-06 09:43:54,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:43:54,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:54,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:54,511 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 09:43:54,512 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 09:43:54,751 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-02-06 09:43:54,762 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 97 statements. [2025-02-06 09:43:54,762 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:43:54,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:54,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 09:43:54,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:54,779 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:54,779 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:54,781 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:54,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-06 09:43:54,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:43:54,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-02-06 09:43:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-02-06 09:43:54,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:54,846 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:54,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672154400] [2025-02-06 09:43:54,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672154400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:54,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:54,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:54,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176705991] [2025-02-06 09:43:54,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:54,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:54,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:54,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:54,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:54,849 INFO L87 Difference]: Start difference. First operand 268 states and 335 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:55,341 INFO L93 Difference]: Finished difference Result 378 states and 487 transitions. [2025-02-06 09:43:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:43:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2025-02-06 09:43:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:55,345 INFO L225 Difference]: With dead ends: 378 [2025-02-06 09:43:55,345 INFO L226 Difference]: Without dead ends: 378 [2025-02-06 09:43:55,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:43:55,346 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 183 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:55,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 710 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 09:43:55,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-06 09:43:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 270. [2025-02-06 09:43:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 254 states have (on average 1.2480314960629921) internal successors, (317), 262 states have internal predecessors, (317), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 09:43:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 337 transitions. [2025-02-06 09:43:55,353 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 337 transitions. Word has length 97 [2025-02-06 09:43:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:55,353 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 337 transitions. [2025-02-06 09:43:55,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:43:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 337 transitions. [2025-02-06 09:43:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-06 09:43:55,354 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:55,354 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:55,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 09:43:55,555 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 09:43:55,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:55,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash 125645917, now seen corresponding path program 1 times [2025-02-06 09:43:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081919957] [2025-02-06 09:43:55,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:55,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:55,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:55,558 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 09:43:55,559 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 09:43:55,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-06 09:43:55,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 09:43:55,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:55,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:55,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:43:55,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-06 09:43:55,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:43:55,971 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:55,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081919957] [2025-02-06 09:43:55,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081919957] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:43:55,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:43:55,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:43:55,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664643885] [2025-02-06 09:43:55,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:43:55,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:43:55,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:55,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:43:55,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:43:55,973 INFO L87 Difference]: Start difference. First operand 270 states and 337 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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 09:43:56,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:56,107 INFO L93 Difference]: Finished difference Result 273 states and 332 transitions. [2025-02-06 09:43:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:43:56,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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 131 [2025-02-06 09:43:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:56,109 INFO L225 Difference]: With dead ends: 273 [2025-02-06 09:43:56,109 INFO L226 Difference]: Without dead ends: 273 [2025-02-06 09:43:56,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 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 09:43:56,113 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 30 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 680 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 09:43:56,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 680 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:43:56,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-02-06 09:43:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2025-02-06 09:43:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 257 states have (on average 1.2140077821011672) internal successors, (312), 265 states have internal predecessors, (312), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 09:43:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 332 transitions. [2025-02-06 09:43:56,124 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 332 transitions. Word has length 131 [2025-02-06 09:43:56,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:56,127 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 332 transitions. [2025-02-06 09:43:56,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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 09:43:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2025-02-06 09:43:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-06 09:43:56,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:56,133 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:56,152 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 09:43:56,333 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 09:43:56,334 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:56,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:56,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1009869642, now seen corresponding path program 1 times [2025-02-06 09:43:56,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:56,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818343665] [2025-02-06 09:43:56,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:43:56,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:56,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:56,338 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 09:43:56,340 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 09:43:56,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-06 09:43:56,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 09:43:56,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:43:56,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:56,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 09:43:56,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 09:43:56,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:43:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-06 09:43:57,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:43:57,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818343665] [2025-02-06 09:43:57,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818343665] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:43:57,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:43:57,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 09:43:57,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100226595] [2025-02-06 09:43:57,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:43:57,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 09:43:57,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:43:57,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 09:43:57,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 09:43:57,237 INFO L87 Difference]: Start difference. First operand 273 states and 332 transitions. Second operand has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:43:57,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:43:57,724 INFO L93 Difference]: Finished difference Result 281 states and 342 transitions. [2025-02-06 09:43:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 09:43:57,726 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 131 [2025-02-06 09:43:57,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:43:57,730 INFO L225 Difference]: With dead ends: 281 [2025-02-06 09:43:57,730 INFO L226 Difference]: Without dead ends: 279 [2025-02-06 09:43:57,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-02-06 09:43:57,731 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 6 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 09:43:57,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1233 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 09:43:57,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2025-02-06 09:43:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2025-02-06 09:43:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 261 states have (on average 1.2183908045977012) internal successors, (318), 269 states have internal predecessors, (318), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 09:43:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 337 transitions. [2025-02-06 09:43:57,746 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 337 transitions. Word has length 131 [2025-02-06 09:43:57,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:43:57,746 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 337 transitions. [2025-02-06 09:43:57,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:43:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 337 transitions. [2025-02-06 09:43:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-06 09:43:57,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:43:57,747 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:43:57,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 09:43:57,949 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 09:43:57,949 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:43:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:43:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1629522038, now seen corresponding path program 2 times [2025-02-06 09:43:57,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:43:57,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653062059] [2025-02-06 09:43:57,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:43:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:43:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:43:57,956 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 09:43:57,959 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 09:43:58,264 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 135 statements into 2 equivalence classes. [2025-02-06 09:43:58,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-06 09:43:58,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 09:43:58,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:43:58,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 09:43:58,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:43:58,533 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:58,534 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:58,534 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:43:58,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-02-06 09:44:00,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:44:00,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 87 [2025-02-06 09:44:00,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:44:00,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 74 [2025-02-06 09:44:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-06 09:44:00,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:44:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-06 09:44:01,577 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:44:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653062059] [2025-02-06 09:44:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653062059] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:44:01,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:44:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-02-06 09:44:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799081127] [2025-02-06 09:44:01,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:44:01,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 09:44:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:44:01,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 09:44:01,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 09:44:01,579 INFO L87 Difference]: Start difference. First operand 277 states and 337 transitions. Second operand has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 12 states have internal predecessors, (185), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 09:44:05,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:10,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:14,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:18,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:22,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:26,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:30,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:34,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:39,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:43,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:47,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:51,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:55,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 09:44:59,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]