./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.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_OAT_test8-2.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 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:55:25,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:55:25,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-06 09:55:25,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:55:25,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:55:25,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:55:25,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:55:25,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:55:25,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:55:25,792 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:55:25,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:55:25,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:55:25,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:55:25,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:55:25,793 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:55:25,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:55:25,794 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:55:25,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:55:25,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:55:25,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:55:25,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:55:25,796 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 -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2025-02-06 09:55:26,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:55:26,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:55:26,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:55:26,045 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:55:26,045 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:55:26,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2025-02-06 09:55:27,258 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17dbda767/7259051424144485b1612350299d8e20/FLAG33b9c3003 [2025-02-06 09:55:27,584 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:55:27,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2025-02-06 09:55:27,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17dbda767/7259051424144485b1612350299d8e20/FLAG33b9c3003 [2025-02-06 09:55:27,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17dbda767/7259051424144485b1612350299d8e20 [2025-02-06 09:55:27,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:55:27,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:55:27,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:55:27,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:55:27,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:55:27,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:55:27" (1/1) ... [2025-02-06 09:55:27,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f50fd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:27, skipping insertion in model container [2025-02-06 09:55:27,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:55:27" (1/1) ... [2025-02-06 09:55:27,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:55:27,934 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 09:55:27,965 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 09:55:27,968 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 09:55:27,972 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 09:55:27,977 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 09:55:28,000 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 09:55:28,001 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 09:55:28,002 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 09:55:28,004 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 09:55:28,005 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 09:55:28,009 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 09:55:28,010 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 09:55:28,012 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 09:55:28,017 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 09:55:28,018 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 09:55:28,019 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 09:55:28,019 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 09:55:28,022 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 09:55:28,027 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:55:28,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:55:28,052 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 09:55:28,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6537c475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:28, skipping insertion in model container [2025-02-06 09:55:28,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:55:28,054 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-06 09:55:28,057 INFO L158 Benchmark]: Toolchain (without parser) took 436.52ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 111.8MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:55:28,057 INFO L158 Benchmark]: CDTParser took 0.67ms. 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 09:55:28,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.97ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 111.8MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:55:28,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.97ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 111.8MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.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 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:55:29,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:55:29,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-02-06 09:55:30,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:55:30,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:55:30,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:55:30,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:55:30,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:55:30,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:55:30,019 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:55:30,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:55:30,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:55:30,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:55:30,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:55:30,020 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:55:30,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:55:30,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:55:30,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:55:30,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:55:30,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:55:30,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:55:30,023 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 -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2025-02-06 09:55:30,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:55:30,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:55:30,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:55:30,323 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:55:30,323 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:55:30,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2025-02-06 09:55:31,544 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97e665456/3c3e1127f99d42abb3eb184861250665/FLAG612badf95 [2025-02-06 09:55:31,873 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:55:31,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2025-02-06 09:55:31,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97e665456/3c3e1127f99d42abb3eb184861250665/FLAG612badf95 [2025-02-06 09:55:32,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97e665456/3c3e1127f99d42abb3eb184861250665 [2025-02-06 09:55:32,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:55:32,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:55:32,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:55:32,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:55:32,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:55:32,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70292a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32, skipping insertion in model container [2025-02-06 09:55:32,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:55:32,393 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 09:55:32,417 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 09:55:32,420 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 09:55:32,426 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 09:55:32,435 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 09:55:32,460 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 09:55:32,460 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 09:55:32,462 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 09:55:32,462 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 09:55:32,464 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 09:55:32,465 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 09:55:32,466 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 09:55:32,466 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 09:55:32,469 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 09:55:32,470 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 09:55:32,471 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 09:55:32,472 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 09:55:32,472 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 09:55:32,475 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 09:55:32,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:55:32,495 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-06 09:55:32,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:55:32,534 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:55:32,543 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 09:55:32,545 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:55:32,546 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 09:55:32,549 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 09:55:32,566 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 09:55:32,566 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 09:55:32,567 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 09:55:32,567 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 09:55:32,573 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 09:55:32,573 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 09:55:32,574 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 09:55:32,574 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 09:55:32,577 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 09:55:32,578 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 09:55:32,578 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 09:55:32,579 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 09:55:32,579 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 09:55:32,581 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 09:55:32,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:55:32,588 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:55:32,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:55:32,686 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:55:32,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32 WrapperNode [2025-02-06 09:55:32,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:55:32,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:55:32,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:55:32,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:55:32,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,743 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1127 [2025-02-06 09:55:32,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:55:32,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:55:32,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:55:32,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:55:32,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,864 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 34, 268]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2025-02-06 09:55:32,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:55:32,938 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:55:32,939 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:55:32,940 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:55:32,940 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (1/1) ... [2025-02-06 09:55:32,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:55:32,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:32,973 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 09:55:32,976 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 09:55:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-02-06 09:55:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-06 09:55:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-06 09:55:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 09:55:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 09:55:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-06 09:55:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:55:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:55:33,145 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:55:33,146 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:55:40,236 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: 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 09:55:40,313 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2025-02-06 09:55:40,314 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:55:40,325 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:55:40,326 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:55:40,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:55:40 BoogieIcfgContainer [2025-02-06 09:55:40,326 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:55:40,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:55:40,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:55:40,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:55:40,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:55:32" (1/3) ... [2025-02-06 09:55:40,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790606eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:55:40, skipping insertion in model container [2025-02-06 09:55:40,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:55:32" (2/3) ... [2025-02-06 09:55:40,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790606eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:55:40, skipping insertion in model container [2025-02-06 09:55:40,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:55:40" (3/3) ... [2025-02-06 09:55:40,332 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-2.i [2025-02-06 09:55:40,340 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:55:40,341 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test8-2.i that has 7 procedures, 270 locations, 1 initial locations, 42 loop locations, and 2 error locations. [2025-02-06 09:55:40,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:55:40,376 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;@72715f97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:55:40,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 09:55:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 233 states have (on average 1.6609442060085837) internal successors, (387), 252 states have internal predecessors, (387), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 09:55:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 09:55:40,384 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:40,384 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:40,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:40,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:40,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1723017256, now seen corresponding path program 1 times [2025-02-06 09:55:40,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:40,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241527939] [2025-02-06 09:55:40,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:40,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:40,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:40,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:40,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 09:55:40,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 09:55:40,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 09:55:40,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:40,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:40,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 09:55:40,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:55:40,605 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:40,605 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241527939] [2025-02-06 09:55:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241527939] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:55:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55878900] [2025-02-06 09:55:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:40,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:55:40,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:40,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:55:40,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:55:40,624 INFO L87 Difference]: Start difference. First operand has 262 states, 233 states have (on average 1.6609442060085837) internal successors, (387), 252 states have internal predecessors, (387), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) 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 09:55:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:40,643 INFO L93 Difference]: Finished difference Result 260 states and 356 transitions. [2025-02-06 09:55:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:55:40,645 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 09:55:40,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:40,653 INFO L225 Difference]: With dead ends: 260 [2025-02-06 09:55:40,653 INFO L226 Difference]: Without dead ends: 258 [2025-02-06 09:55:40,654 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 09:55:40,660 INFO L435 NwaCegarLoop]: 356 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, 356 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 09:55:40,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 09:55:40,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-06 09:55:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2025-02-06 09:55:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 231 states have (on average 1.3506493506493507) internal successors, (312), 248 states have internal predecessors, (312), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 09:55:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 354 transitions. [2025-02-06 09:55:40,716 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 354 transitions. Word has length 11 [2025-02-06 09:55:40,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:40,716 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 354 transitions. [2025-02-06 09:55:40,716 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 09:55:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 354 transitions. [2025-02-06 09:55:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 09:55:40,717 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:40,717 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:40,725 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 09:55:40,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:40,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:40,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash -661900440, now seen corresponding path program 1 times [2025-02-06 09:55:40,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:40,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245835729] [2025-02-06 09:55:40,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:40,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:40,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:40,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:40,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 09:55:41,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 09:55:41,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 09:55:41,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:41,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:41,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:41,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:55:41,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:41,125 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:41,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245835729] [2025-02-06 09:55:41,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245835729] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:41,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:41,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:41,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923834026] [2025-02-06 09:55:41,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:41,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:41,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:41,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:41,128 INFO L87 Difference]: Start difference. First operand 258 states and 354 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 09:55:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:41,903 INFO L93 Difference]: Finished difference Result 399 states and 540 transitions. [2025-02-06 09:55:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:41,907 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 09:55:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:41,910 INFO L225 Difference]: With dead ends: 399 [2025-02-06 09:55:41,910 INFO L226 Difference]: Without dead ends: 399 [2025-02-06 09:55:41,910 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 09:55:41,911 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 172 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:41,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 653 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 09:55:41,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-02-06 09:55:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 368. [2025-02-06 09:55:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 340 states have (on average 1.3411764705882352) internal successors, (456), 357 states have internal predecessors, (456), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 09:55:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 500 transitions. [2025-02-06 09:55:41,940 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 500 transitions. Word has length 12 [2025-02-06 09:55:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:41,941 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 500 transitions. [2025-02-06 09:55:41,941 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 09:55:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 500 transitions. [2025-02-06 09:55:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 09:55:41,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:41,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:41,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:42,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:42,142 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:42,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash -661870649, now seen corresponding path program 1 times [2025-02-06 09:55:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:42,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358369524] [2025-02-06 09:55:42,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:42,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:42,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:42,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:42,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 09:55:42,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 09:55:42,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 09:55:42,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:42,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:42,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 09:55:42,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:42,289 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:55:42,290 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:55:42,290 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 09:55:42,295 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 09:55:42,338 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:55:42,339 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 09:55:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:55:42,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:42,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:42,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358369524] [2025-02-06 09:55:42,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358369524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:42,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:42,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:42,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798021519] [2025-02-06 09:55:42,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:42,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:42,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:42,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:42,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:42,352 INFO L87 Difference]: Start difference. First operand 368 states and 500 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 09:55:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:42,819 INFO L93 Difference]: Finished difference Result 561 states and 757 transitions. [2025-02-06 09:55:42,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:55:42,820 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 09:55:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:42,822 INFO L225 Difference]: With dead ends: 561 [2025-02-06 09:55:42,822 INFO L226 Difference]: Without dead ends: 561 [2025-02-06 09:55:42,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:42,822 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 258 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:42,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1045 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 09:55:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2025-02-06 09:55:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 367. [2025-02-06 09:55:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 339 states have (on average 1.3392330383480826) internal successors, (454), 356 states have internal predecessors, (454), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 09:55:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 498 transitions. [2025-02-06 09:55:42,835 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 498 transitions. Word has length 12 [2025-02-06 09:55:42,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:42,835 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 498 transitions. [2025-02-06 09:55:42,835 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 09:55:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 498 transitions. [2025-02-06 09:55:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 09:55:42,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:42,837 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:42,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 09:55:43,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:43,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:43,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:43,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1366893615, now seen corresponding path program 1 times [2025-02-06 09:55:43,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:43,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458505669] [2025-02-06 09:55:43,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:43,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:43,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:43,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:43,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 09:55:43,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 09:55:43,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 09:55:43,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:43,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:43,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:43,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 09:55:43,362 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:43,362 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:43,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458505669] [2025-02-06 09:55:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458505669] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:43,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:43,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:55:43,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189053501] [2025-02-06 09:55:43,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:43,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:55:43,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:43,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:55:43,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:43,364 INFO L87 Difference]: Start difference. First operand 367 states and 498 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:43,466 INFO L93 Difference]: Finished difference Result 407 states and 538 transitions. [2025-02-06 09:55:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:55:43,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-02-06 09:55:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:43,469 INFO L225 Difference]: With dead ends: 407 [2025-02-06 09:55:43,470 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 09:55:43,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:55:43,471 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 9 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:43,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 653 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 09:55:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-06 09:55:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 379 states have (on average 1.3034300791556728) internal successors, (494), 396 states have internal predecessors, (494), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 09:55:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 538 transitions. [2025-02-06 09:55:43,489 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 538 transitions. Word has length 81 [2025-02-06 09:55:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:43,489 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 538 transitions. [2025-02-06 09:55:43,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 538 transitions. [2025-02-06 09:55:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 09:55:43,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:43,491 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:43,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:43,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:43,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:43,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:43,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1613206702, now seen corresponding path program 1 times [2025-02-06 09:55:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:43,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644572939] [2025-02-06 09:55:43,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:43,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:43,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:43,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 09:55:43,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 09:55:43,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 09:55:43,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:43,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:43,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:43,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 09:55:44,007 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:44,007 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:44,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644572939] [2025-02-06 09:55:44,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644572939] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:44,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:44,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:44,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60114673] [2025-02-06 09:55:44,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:44,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:44,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:44,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:44,009 INFO L87 Difference]: Start difference. First operand 407 states and 538 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:44,096 INFO L93 Difference]: Finished difference Result 373 states and 482 transitions. [2025-02-06 09:55:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:55:44,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-02-06 09:55:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:44,098 INFO L225 Difference]: With dead ends: 373 [2025-02-06 09:55:44,098 INFO L226 Difference]: Without dead ends: 373 [2025-02-06 09:55:44,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:55:44,099 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 32 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:44,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 952 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:44,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-06 09:55:44,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2025-02-06 09:55:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 345 states have (on average 1.2695652173913043) internal successors, (438), 362 states have internal predecessors, (438), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 09:55:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 482 transitions. [2025-02-06 09:55:44,106 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 482 transitions. Word has length 81 [2025-02-06 09:55:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:44,106 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 482 transitions. [2025-02-06 09:55:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 482 transitions. [2025-02-06 09:55:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 09:55:44,108 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:44,108 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:55:44,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:44,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:44,309 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:44,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:44,309 INFO L85 PathProgramCache]: Analyzing trace with hash 484490421, now seen corresponding path program 1 times [2025-02-06 09:55:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197260453] [2025-02-06 09:55:44,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:44,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:44,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:44,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:44,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 09:55:44,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 09:55:44,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 09:55:44,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:44,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:44,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 09:55:44,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 09:55:44,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:55:44,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:44,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197260453] [2025-02-06 09:55:44,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197260453] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:55:44,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:55:44,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:55:44,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58447123] [2025-02-06 09:55:44,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:55:44,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:55:44,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:44,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:55:44,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:44,625 INFO L87 Difference]: Start difference. First operand 373 states and 482 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:44,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:44,653 INFO L93 Difference]: Finished difference Result 376 states and 486 transitions. [2025-02-06 09:55:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 09:55:44,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-02-06 09:55:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:44,655 INFO L225 Difference]: With dead ends: 376 [2025-02-06 09:55:44,655 INFO L226 Difference]: Without dead ends: 376 [2025-02-06 09:55:44,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:55:44,656 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:44,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1016 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 09:55:44,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-02-06 09:55:44,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2025-02-06 09:55:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 347 states have (on average 1.2708933717579252) internal successors, (441), 365 states have internal predecessors, (441), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-06 09:55:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 486 transitions. [2025-02-06 09:55:44,663 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 486 transitions. Word has length 81 [2025-02-06 09:55:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:44,663 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 486 transitions. [2025-02-06 09:55:44,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 09:55:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 486 transitions. [2025-02-06 09:55:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 09:55:44,665 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:44,665 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] [2025-02-06 09:55:44,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 09:55:44,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:44,869 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:44,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2041798617, now seen corresponding path program 1 times [2025-02-06 09:55:44,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167855934] [2025-02-06 09:55:44,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:55:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:44,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:44,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 09:55:45,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 09:55:45,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 09:55:45,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:55:45,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:55:45,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:55:45,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:55:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:55:45,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:55:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:55:45,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 09:55:45,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167855934] [2025-02-06 09:55:45,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167855934] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:55:45,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 09:55:45,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 09:55:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433719263] [2025-02-06 09:55:45,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 09:55:45,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:55:45,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 09:55:45,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:55:45,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:55:45,287 INFO L87 Difference]: Start difference. First operand 376 states and 486 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 09:55:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:55:45,383 INFO L93 Difference]: Finished difference Result 387 states and 503 transitions. [2025-02-06 09:55:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 09:55:45,383 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 83 [2025-02-06 09:55:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:55:45,385 INFO L225 Difference]: With dead ends: 387 [2025-02-06 09:55:45,385 INFO L226 Difference]: Without dead ends: 387 [2025-02-06 09:55:45,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:55:45,386 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 5 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:55:45,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1016 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:55:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-06 09:55:45,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2025-02-06 09:55:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 355 states have (on average 1.2816901408450705) internal successors, (455), 373 states have internal predecessors, (455), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2025-02-06 09:55:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 501 transitions. [2025-02-06 09:55:45,393 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 501 transitions. Word has length 83 [2025-02-06 09:55:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:55:45,393 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 501 transitions. [2025-02-06 09:55:45,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 09:55:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 501 transitions. [2025-02-06 09:55:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 09:55:45,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:55:45,394 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-02-06 09:55:45,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 09:55:45,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:45,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:55:45,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:55:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -248497195, now seen corresponding path program 2 times [2025-02-06 09:55:45,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 09:55:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724067444] [2025-02-06 09:55:45,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:55:45,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:55:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:55:45,601 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:55:45,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 09:55:45,819 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 87 statements into 2 equivalence classes.