./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:48:20,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:48:20,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-01-09 21:48:20,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:48:20,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:48:20,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:48:20,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:48:20,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:48:20,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 21:48:20,949 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 21:48:20,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:48:20,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:48:20,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:48:20,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:48:20,950 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:48:20,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:48:20,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:48:20,951 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:48:20,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:48:20,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:48:20,952 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:48:20,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:48:20,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:48:20,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:48:20,953 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2025-01-09 21:48:21,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:48:21,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:48:21,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:48:21,184 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:48:21,184 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:48:21,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-01-09 21:48:22,319 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/173ce5d46/48d75a2bb6a04d51ab016bb02cf25e6d/FLAG60d58fbe8 [2025-01-09 21:48:22,697 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:48:22,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-01-09 21:48:22,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/173ce5d46/48d75a2bb6a04d51ab016bb02cf25e6d/FLAG60d58fbe8 [2025-01-09 21:48:22,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/173ce5d46/48d75a2bb6a04d51ab016bb02cf25e6d [2025-01-09 21:48:22,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:48:22,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:48:22,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:48:22,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:48:22,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:48:22,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:48:22" (1/1) ... [2025-01-09 21:48:22,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42395dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:22, skipping insertion in model container [2025-01-09 21:48:22,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:48:22" (1/1) ... [2025-01-09 21:48:22,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:48:23,202 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,234 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,237 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,238 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,247 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,270 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,272 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,275 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,278 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,288 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,288 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,294 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,295 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,295 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,296 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,301 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,302 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,302 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,303 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:23,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:48:23,318 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) [2025-01-09 21:48:23,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b23d357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:23, skipping insertion in model container [2025-01-09 21:48:23,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:48:23,319 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-01-09 21:48:23,324 INFO L158 Benchmark]: Toolchain (without parser) took 404.00ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 108.9MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:48:23,324 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 218.1MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:48:23,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.50ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 108.9MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:48:23,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 218.1MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.50ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 108.9MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:48:25,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:48:25,190 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-01-09 21:48:25,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:48:25,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:48:25,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:48:25,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:48:25,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:48:25,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 21:48:25,208 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 21:48:25,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:48:25,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:48:25,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:48:25,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:48:25,208 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:48:25,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 21:48:25,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:48:25,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:48:25,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:48:25,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 21:48:25,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:48:25,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:48:25,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:48:25,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:48:25,211 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2025-01-09 21:48:25,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:48:25,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:48:25,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:48:25,402 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:48:25,403 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:48:25,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-01-09 21:48:26,589 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31b2f36c3/8993db3e71724fb0bf36c5a9e02f79f8/FLAGa77bb9696 [2025-01-09 21:48:26,819 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:48:26,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-01-09 21:48:26,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31b2f36c3/8993db3e71724fb0bf36c5a9e02f79f8/FLAGa77bb9696 [2025-01-09 21:48:27,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31b2f36c3/8993db3e71724fb0bf36c5a9e02f79f8 [2025-01-09 21:48:27,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:48:27,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:48:27,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:48:27,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:48:27,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:48:27,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282841ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27, skipping insertion in model container [2025-01-09 21:48:27,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:48:27,515 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,532 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,535 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,537 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,544 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,563 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,565 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,567 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,571 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,579 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,580 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,582 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,584 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,584 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,589 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,589 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,592 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:48:27,606 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-01-09 21:48:27,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:48:27,631 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,643 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,644 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,646 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,675 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,688 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,690 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,691 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,693 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,698 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,699 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,700 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,701 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,701 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,702 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,704 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,705 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,705 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,706 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,708 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:48:27,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:48:27,713 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:48:27,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:48:27,804 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:48:27,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27 WrapperNode [2025-01-09 21:48:27,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:48:27,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:48:27,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:48:27,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:48:27,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,871 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1374 [2025-01-09 21:48:27,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:48:27,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:48:27,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:48:27,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:48:27,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,993 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2025-01-09 21:48:27,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:27,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:48:28,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:48:28,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:48:28,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:48:28,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (1/1) ... [2025-01-09 21:48:28,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:48:28,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:48:28,109 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) [2025-01-09 21:48:28,111 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 [2025-01-09 21:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 21:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 21:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 21:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:48:28,330 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:48:28,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:48:41,489 INFO L? ?]: Removed 197 outVars from TransFormulas that were not future-live. [2025-01-09 21:48:41,491 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:48:41,505 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:48:41,507 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2025-01-09 21:48:41,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:48:41 BoogieIcfgContainer [2025-01-09 21:48:41,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:48:41,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:48:41,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:48:41,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:48:41,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:48:27" (1/3) ... [2025-01-09 21:48:41,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b5c351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:48:41, skipping insertion in model container [2025-01-09 21:48:41,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:48:27" (2/3) ... [2025-01-09 21:48:41,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b5c351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:48:41, skipping insertion in model container [2025-01-09 21:48:41,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:48:41" (3/3) ... [2025-01-09 21:48:41,514 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-3.i [2025-01-09 21:48:41,524 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:48:41,525 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test4-3.i that has 3 procedures, 248 locations, 1 initial locations, 45 loop locations, and 2 error locations. [2025-01-09 21:48:41,557 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:48:41,569 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;@47615945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:48:41,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 21:48:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 234 states have (on average 1.6452991452991452) internal successors, (385), 236 states have internal predecessors, (385), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-09 21:48:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 21:48:41,578 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:48:41,579 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 21:48:41,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:48:41,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:48:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1419133, now seen corresponding path program 1 times [2025-01-09 21:48:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:48:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028682808] [2025-01-09 21:48:41,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:48:41,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:48:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:48:41,595 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) [2025-01-09 21:48:41,596 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 [2025-01-09 21:48:41,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 21:48:41,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 21:48:41,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:48:41,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:48:41,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 21:48:41,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:48:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:48:41,776 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:48:41,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:48:41,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028682808] [2025-01-09 21:48:41,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028682808] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:48:41,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:48:41,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:48:41,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043858781] [2025-01-09 21:48:41,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:48:41,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:48:41,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:48:41,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:48:41,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:48:41,800 INFO L87 Difference]: Start difference. First operand has 244 states, 234 states have (on average 1.6452991452991452) internal successors, (385), 236 states have internal predecessors, (385), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-09 21:48:45,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:48:49,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:48:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:48:50,403 INFO L93 Difference]: Finished difference Result 303 states and 398 transitions. [2025-01-09 21:48:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:48:50,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-01-09 21:48:50,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:48:50,416 INFO L225 Difference]: With dead ends: 303 [2025-01-09 21:48:50,416 INFO L226 Difference]: Without dead ends: 300 [2025-01-09 21:48:50,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:48:50,420 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 77 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2025-01-09 21:48:50,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 645 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2025-01-09 21:48:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-01-09 21:48:50,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 250. [2025-01-09 21:48:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 241 states have (on average 1.3112033195020747) internal successors, (316), 242 states have internal predecessors, (316), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-09 21:48:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 328 transitions. [2025-01-09 21:48:50,467 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 328 transitions. Word has length 4 [2025-01-09 21:48:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:48:50,467 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 328 transitions. [2025-01-09 21:48:50,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-09 21:48:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 328 transitions. [2025-01-09 21:48:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-09 21:48:50,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:48:50,468 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:48:50,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 21:48:50,668 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 [2025-01-09 21:48:50,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:48:50,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:48:50,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1517024063, now seen corresponding path program 1 times [2025-01-09 21:48:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:48:50,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778478832] [2025-01-09 21:48:50,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:48:50,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:48:50,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:48:50,673 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) [2025-01-09 21:48:50,674 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 [2025-01-09 21:48:50,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-09 21:48:50,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-09 21:48:50,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:48:50,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:48:50,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 21:48:50,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:48:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:48:50,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:48:50,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:48:50,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778478832] [2025-01-09 21:48:50,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778478832] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:48:50,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:48:50,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:48:50,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524232012] [2025-01-09 21:48:50,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:48:50,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:48:50,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:48:50,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:48:50,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:48:50,838 INFO L87 Difference]: Start difference. First operand 250 states and 328 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-09 21:48:55,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:48:59,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:04,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:06,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:06,591 INFO L93 Difference]: Finished difference Result 368 states and 481 transitions. [2025-01-09 21:49:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:49:06,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-01-09 21:49:06,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:06,596 INFO L225 Difference]: With dead ends: 368 [2025-01-09 21:49:06,596 INFO L226 Difference]: Without dead ends: 368 [2025-01-09 21:49:06,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:06,596 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 154 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:06,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 863 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2025-01-09 21:49:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-01-09 21:49:06,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2025-01-09 21:49:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 356 states have (on average 1.300561797752809) internal successors, (463), 357 states have internal predecessors, (463), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:06,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 481 transitions. [2025-01-09 21:49:06,617 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 481 transitions. Word has length 10 [2025-01-09 21:49:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:06,617 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 481 transitions. [2025-01-09 21:49:06,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-09 21:49:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 481 transitions. [2025-01-09 21:49:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 21:49:06,617 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:06,617 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:06,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 21:49:06,818 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 [2025-01-09 21:49:06,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:06,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash -956714940, now seen corresponding path program 1 times [2025-01-09 21:49:06,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:06,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446142080] [2025-01-09 21:49:06,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:06,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:06,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:06,822 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) [2025-01-09 21:49:06,823 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 [2025-01-09 21:49:06,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 21:49:06,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 21:49:06,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:06,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:06,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:06,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 21:49:07,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:07,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446142080] [2025-01-09 21:49:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446142080] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:07,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:49:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596193048] [2025-01-09 21:49:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:07,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:49:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:07,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:49:07,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:07,004 INFO L87 Difference]: Start difference. First operand 368 states and 481 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-01-09 21:49:07,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:07,718 INFO L93 Difference]: Finished difference Result 418 states and 546 transitions. [2025-01-09 21:49:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:49:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2025-01-09 21:49:07,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:07,724 INFO L225 Difference]: With dead ends: 418 [2025-01-09 21:49:07,724 INFO L226 Difference]: Without dead ends: 418 [2025-01-09 21:49:07,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:07,725 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 118 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:07,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 594 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 21:49:07,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-01-09 21:49:07,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 366. [2025-01-09 21:49:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 354 states have (on average 1.2966101694915255) internal successors, (459), 355 states have internal predecessors, (459), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 477 transitions. [2025-01-09 21:49:07,735 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 477 transitions. Word has length 23 [2025-01-09 21:49:07,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:07,735 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 477 transitions. [2025-01-09 21:49:07,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-01-09 21:49:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 477 transitions. [2025-01-09 21:49:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 21:49:07,735 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:07,735 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:07,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 21:49:07,940 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 [2025-01-09 21:49:07,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:07,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:07,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1344107650, now seen corresponding path program 1 times [2025-01-09 21:49:07,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:07,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665203178] [2025-01-09 21:49:07,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:07,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:07,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:07,943 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) [2025-01-09 21:49:07,944 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 [2025-01-09 21:49:08,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 21:49:08,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 21:49:08,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:08,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:08,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 21:49:08,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:49:08,137 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:08,137 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665203178] [2025-01-09 21:49:08,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665203178] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:08,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:08,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:49:08,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098961861] [2025-01-09 21:49:08,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:08,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:49:08,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:08,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:49:08,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:08,138 INFO L87 Difference]: Start difference. First operand 366 states and 477 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2025-01-09 21:49:12,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:16,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:19,381 INFO L93 Difference]: Finished difference Result 418 states and 545 transitions. [2025-01-09 21:49:19,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:49:19,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2025-01-09 21:49:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:19,385 INFO L225 Difference]: With dead ends: 418 [2025-01-09 21:49:19,385 INFO L226 Difference]: Without dead ends: 414 [2025-01-09 21:49:19,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:49:19,386 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 120 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:19,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 895 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2025-01-09 21:49:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-01-09 21:49:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 362. [2025-01-09 21:49:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 350 states have (on average 1.2971428571428572) internal successors, (454), 351 states have internal predecessors, (454), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 472 transitions. [2025-01-09 21:49:19,393 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 472 transitions. Word has length 23 [2025-01-09 21:49:19,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:19,393 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 472 transitions. [2025-01-09 21:49:19,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2025-01-09 21:49:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 472 transitions. [2025-01-09 21:49:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 21:49:19,396 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:19,397 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:19,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 21:49:19,597 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 [2025-01-09 21:49:19,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:19,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:19,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1037922719, now seen corresponding path program 1 times [2025-01-09 21:49:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:19,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233503345] [2025-01-09 21:49:19,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:19,605 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) [2025-01-09 21:49:19,606 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 [2025-01-09 21:49:19,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 21:49:20,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 21:49:20,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:20,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:20,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:20,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 21:49:20,110 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:20,110 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:20,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233503345] [2025-01-09 21:49:20,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233503345] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:20,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:20,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:49:20,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621595271] [2025-01-09 21:49:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:20,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:49:20,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:20,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:49:20,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:20,112 INFO L87 Difference]: Start difference. First operand 362 states and 472 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:20,194 INFO L93 Difference]: Finished difference Result 402 states and 512 transitions. [2025-01-09 21:49:20,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:49:20,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 143 [2025-01-09 21:49:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:20,196 INFO L225 Difference]: With dead ends: 402 [2025-01-09 21:49:20,196 INFO L226 Difference]: Without dead ends: 402 [2025-01-09 21:49:20,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:20,196 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 8 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 573 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 [2025-01-09 21:49:20,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 573 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:49:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-01-09 21:49:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-01-09 21:49:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 390 states have (on average 1.2666666666666666) internal successors, (494), 391 states have internal predecessors, (494), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 512 transitions. [2025-01-09 21:49:20,203 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 512 transitions. Word has length 143 [2025-01-09 21:49:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:20,203 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 512 transitions. [2025-01-09 21:49:20,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 512 transitions. [2025-01-09 21:49:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 21:49:20,205 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:20,205 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:20,219 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 [2025-01-09 21:49:20,409 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 [2025-01-09 21:49:20,409 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:20,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:20,409 INFO L85 PathProgramCache]: Analyzing trace with hash 549875613, now seen corresponding path program 1 times [2025-01-09 21:49:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:20,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419194752] [2025-01-09 21:49:20,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:20,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:20,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:20,412 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) [2025-01-09 21:49:20,413 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 [2025-01-09 21:49:20,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 21:49:20,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 21:49:20,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:20,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:20,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:20,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-09 21:49:20,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:20,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419194752] [2025-01-09 21:49:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419194752] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:20,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:20,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:49:20,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223352739] [2025-01-09 21:49:20,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:20,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:49:20,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:20,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:49:20,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:20,953 INFO L87 Difference]: Start difference. First operand 402 states and 512 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:21,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:21,087 INFO L93 Difference]: Finished difference Result 442 states and 552 transitions. [2025-01-09 21:49:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:49:21,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2025-01-09 21:49:21,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:21,089 INFO L225 Difference]: With dead ends: 442 [2025-01-09 21:49:21,089 INFO L226 Difference]: Without dead ends: 442 [2025-01-09 21:49:21,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:49:21,090 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 9 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 573 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 [2025-01-09 21:49:21,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 573 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:49:21,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-01-09 21:49:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-01-09 21:49:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 430 states have (on average 1.241860465116279) internal successors, (534), 431 states have internal predecessors, (534), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 552 transitions. [2025-01-09 21:49:21,102 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 552 transitions. Word has length 143 [2025-01-09 21:49:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:21,103 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 552 transitions. [2025-01-09 21:49:21,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 552 transitions. [2025-01-09 21:49:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 21:49:21,105 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:21,105 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:21,120 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 [2025-01-09 21:49:21,306 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 [2025-01-09 21:49:21,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:21,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash -256496991, now seen corresponding path program 1 times [2025-01-09 21:49:21,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:21,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944724881] [2025-01-09 21:49:21,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:21,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:21,310 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) [2025-01-09 21:49:21,312 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 [2025-01-09 21:49:21,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 21:49:21,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 21:49:21,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:21,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:21,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 21:49:21,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 21:49:22,234 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:22,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:22,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944724881] [2025-01-09 21:49:22,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944724881] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:22,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:22,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:49:22,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48496196] [2025-01-09 21:49:22,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:22,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:49:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:22,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:49:22,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:22,235 INFO L87 Difference]: Start difference. First operand 442 states and 552 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:26,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:30,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:32,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:36,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:40,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:42,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:48,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:51,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 21:49:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:51,166 INFO L93 Difference]: Finished difference Result 450 states and 560 transitions. [2025-01-09 21:49:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:49:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 143 [2025-01-09 21:49:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:51,170 INFO L225 Difference]: With dead ends: 450 [2025-01-09 21:49:51,170 INFO L226 Difference]: Without dead ends: 450 [2025-01-09 21:49:51,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:49:51,171 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 311 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:51,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 696 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 5 Unknown, 0 Unchecked, 28.9s Time] [2025-01-09 21:49:51,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-01-09 21:49:51,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 443. [2025-01-09 21:49:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 431 states have (on average 1.2389791183294663) internal successors, (534), 432 states have internal predecessors, (534), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 552 transitions. [2025-01-09 21:49:51,187 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 552 transitions. Word has length 143 [2025-01-09 21:49:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 552 transitions. [2025-01-09 21:49:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 552 transitions. [2025-01-09 21:49:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 21:49:51,189 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:51,189 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:51,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-09 21:49:51,389 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 [2025-01-09 21:49:51,390 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:51,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash -101273899, now seen corresponding path program 1 times [2025-01-09 21:49:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641989485] [2025-01-09 21:49:51,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:51,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:51,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:51,395 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) [2025-01-09 21:49:51,395 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 [2025-01-09 21:49:51,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 21:49:51,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 21:49:51,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:51,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:51,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:51,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 21:49:51,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:51,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:51,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641989485] [2025-01-09 21:49:51,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641989485] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:51,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:51,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:49:51,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870034057] [2025-01-09 21:49:51,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:51,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:49:51,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:51,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:49:51,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:51,884 INFO L87 Difference]: Start difference. First operand 443 states and 552 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:51,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:51,957 INFO L93 Difference]: Finished difference Result 409 states and 496 transitions. [2025-01-09 21:49:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:49:51,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 144 [2025-01-09 21:49:51,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:51,959 INFO L225 Difference]: With dead ends: 409 [2025-01-09 21:49:51,959 INFO L226 Difference]: Without dead ends: 409 [2025-01-09 21:49:51,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:49:51,959 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 32 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 832 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 [2025-01-09 21:49:51,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 832 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:49:51,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-01-09 21:49:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-01-09 21:49:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.2040302267002518) internal successors, (478), 398 states have internal predecessors, (478), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 496 transitions. [2025-01-09 21:49:51,982 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 496 transitions. Word has length 144 [2025-01-09 21:49:51,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:51,982 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 496 transitions. [2025-01-09 21:49:51,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 21:49:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 496 transitions. [2025-01-09 21:49:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 21:49:51,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:51,983 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:51,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-09 21:49:52,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:52,187 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:52,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1422431495, now seen corresponding path program 1 times [2025-01-09 21:49:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:52,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934041757] [2025-01-09 21:49:52,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:52,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:52,190 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:49:52,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-09 21:49:52,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 21:49:52,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 21:49:52,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:52,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:52,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:52,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-09 21:49:52,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:52,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:52,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934041757] [2025-01-09 21:49:52,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934041757] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:52,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:52,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:49:52,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729729110] [2025-01-09 21:49:52,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:52,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:49:52,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:52,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:49:52,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:52,725 INFO L87 Difference]: Start difference. First operand 409 states and 496 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:52,798 INFO L93 Difference]: Finished difference Result 375 states and 440 transitions. [2025-01-09 21:49:52,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:49:52,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 144 [2025-01-09 21:49:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:52,799 INFO L225 Difference]: With dead ends: 375 [2025-01-09 21:49:52,799 INFO L226 Difference]: Without dead ends: 375 [2025-01-09 21:49:52,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:49:52,800 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 32 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 799 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 [2025-01-09 21:49:52,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 799 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:49:52,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-01-09 21:49:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2025-01-09 21:49:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 363 states have (on average 1.162534435261708) internal successors, (422), 364 states have internal predecessors, (422), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 21:49:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 440 transitions. [2025-01-09 21:49:52,806 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 440 transitions. Word has length 144 [2025-01-09 21:49:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:52,806 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 440 transitions. [2025-01-09 21:49:52,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 440 transitions. [2025-01-09 21:49:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 21:49:52,807 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:52,807 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:52,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-09 21:49:53,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:53,012 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:53,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1393266837, now seen corresponding path program 1 times [2025-01-09 21:49:53,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:53,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070788297] [2025-01-09 21:49:53,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:53,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:53,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:53,015 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:49:53,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-09 21:49:53,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 21:49:53,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 21:49:53,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:53,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:53,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:49:53,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:53,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-09 21:49:53,557 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:49:53,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:53,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070788297] [2025-01-09 21:49:53,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070788297] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:49:53,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:49:53,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:49:53,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180717220] [2025-01-09 21:49:53,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:49:53,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:49:53,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:53,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:49:53,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:53,558 INFO L87 Difference]: Start difference. First operand 375 states and 440 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:53,602 INFO L93 Difference]: Finished difference Result 378 states and 446 transitions. [2025-01-09 21:49:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:49:53,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 144 [2025-01-09 21:49:53,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:53,605 INFO L225 Difference]: With dead ends: 378 [2025-01-09 21:49:53,605 INFO L226 Difference]: Without dead ends: 378 [2025-01-09 21:49:53,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:49:53,605 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:53,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 857 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 21:49:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-01-09 21:49:53,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2025-01-09 21:49:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 365 states have (on average 1.1643835616438356) internal successors, (425), 367 states have internal predecessors, (425), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-01-09 21:49:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 446 transitions. [2025-01-09 21:49:53,611 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 446 transitions. Word has length 144 [2025-01-09 21:49:53,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:53,611 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 446 transitions. [2025-01-09 21:49:53,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 21:49:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 446 transitions. [2025-01-09 21:49:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-01-09 21:49:53,612 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:53,612 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:53,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-09 21:49:53,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:53,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:53,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:53,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1428753771, now seen corresponding path program 1 times [2025-01-09 21:49:53,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:53,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129083366] [2025-01-09 21:49:53,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:49:53,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:53,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:53,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:49:53,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-09 21:49:54,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-01-09 21:49:54,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-01-09 21:49:54,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:49:54,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:54,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 21:49:54,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-09 21:49:54,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 21:49:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-09 21:49:54,443 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:54,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129083366] [2025-01-09 21:49:54,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129083366] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 21:49:54,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 21:49:54,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-09 21:49:54,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399876399] [2025-01-09 21:49:54,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 21:49:54,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:49:54,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:54,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:49:54,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:49:54,444 INFO L87 Difference]: Start difference. First operand 378 states and 446 transitions. Second operand has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 21:49:54,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:54,568 INFO L93 Difference]: Finished difference Result 389 states and 467 transitions. [2025-01-09 21:49:54,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 21:49:54,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 148 [2025-01-09 21:49:54,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:54,570 INFO L225 Difference]: With dead ends: 389 [2025-01-09 21:49:54,570 INFO L226 Difference]: Without dead ends: 389 [2025-01-09 21:49:54,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-01-09 21:49:54,571 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 5 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:54,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 853 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:49:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-01-09 21:49:54,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2025-01-09 21:49:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 373 states have (on average 1.1769436997319034) internal successors, (439), 375 states have internal predecessors, (439), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2025-01-09 21:49:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 463 transitions. [2025-01-09 21:49:54,577 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 463 transitions. Word has length 148 [2025-01-09 21:49:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:54,577 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 463 transitions. [2025-01-09 21:49:54,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 21:49:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 463 transitions. [2025-01-09 21:49:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-09 21:49:54,578 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:54,578 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:54,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-09 21:49:54,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:54,779 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:54,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:54,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1978838037, now seen corresponding path program 2 times [2025-01-09 21:49:54,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:54,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337811904] [2025-01-09 21:49:54,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:49:54,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:54,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:49:54,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-09 21:49:55,114 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 156 statements into 2 equivalence classes. [2025-01-09 21:49:55,306 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-01-09 21:49:55,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 21:49:55,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:49:55,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 21:49:55,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:49:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-01-09 21:49:55,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 21:49:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 21:49:55,520 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:49:55,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337811904] [2025-01-09 21:49:55,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337811904] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 21:49:55,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 21:49:55,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-09 21:49:55,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980166101] [2025-01-09 21:49:55,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 21:49:55,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 21:49:55,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:49:55,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 21:49:55,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-09 21:49:55,521 INFO L87 Difference]: Start difference. First operand 387 states and 463 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 21:49:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:49:55,793 INFO L93 Difference]: Finished difference Result 395 states and 473 transitions. [2025-01-09 21:49:55,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 21:49:55,794 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 156 [2025-01-09 21:49:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:49:55,795 INFO L225 Difference]: With dead ends: 395 [2025-01-09 21:49:55,795 INFO L226 Difference]: Without dead ends: 393 [2025-01-09 21:49:55,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-01-09 21:49:55,796 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 6 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 21:49:55,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1423 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 21:49:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-01-09 21:49:55,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2025-01-09 21:49:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 377 states have (on average 1.1803713527851458) internal successors, (445), 379 states have internal predecessors, (445), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-01-09 21:49:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 466 transitions. [2025-01-09 21:49:55,802 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 466 transitions. Word has length 156 [2025-01-09 21:49:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:49:55,802 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 466 transitions. [2025-01-09 21:49:55,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 21:49:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 466 transitions. [2025-01-09 21:49:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-09 21:49:55,803 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:49:55,803 INFO L218 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:49:55,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-09 21:49:56,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:56,004 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:49:56,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:49:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1871173355, now seen corresponding path program 3 times [2025-01-09 21:49:56,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:49:56,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945075054] [2025-01-09 21:49:56,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 21:49:56,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:49:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:49:56,008 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:49:56,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-09 21:49:56,400 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 164 statements into 13 equivalence classes.