./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:16:52,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:16:52,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:16:52,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:16:52,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:16:52,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:16:52,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:16:52,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:16:52,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:16:52,510 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:16:52,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:16:52,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:16:52,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:16:52,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:16:52,511 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:16:52,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:16:52,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:16:52,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:16:52,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:16:52,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:16:52,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:16:52,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:16:52,514 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/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 -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2025-03-04 07:16:52,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:16:52,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:16:52,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:16:52,739 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:16:52,739 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:16:52,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2025-03-04 07:16:53,858 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb3a6052/09b201cd50cb43bf9cc86c1b81cb5897/FLAG8f9ae9490 [2025-03-04 07:16:54,178 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:16:54,178 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2025-03-04 07:16:54,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb3a6052/09b201cd50cb43bf9cc86c1b81cb5897/FLAG8f9ae9490 [2025-03-04 07:16:54,212 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb3a6052/09b201cd50cb43bf9cc86c1b81cb5897 [2025-03-04 07:16:54,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:16:54,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:16:54,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:16:54,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:16:54,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:16:54,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:16:54" (1/1) ... [2025-03-04 07:16:54,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf4c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:54, skipping insertion in model container [2025-03-04 07:16:54,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:16:54" (1/1) ... [2025-03-04 07:16:54,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:16:54,568 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,597 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,598 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,603 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,609 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,633 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,634 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,635 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,636 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,638 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,639 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,639 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,640 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,642 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:54,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:16:54,664 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) [2025-03-04 07:16:54,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e9b5943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:54, skipping insertion in model container [2025-03-04 07:16:54,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:16:54,665 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:16:54,666 INFO L158 Benchmark]: Toolchain (without parser) took 449.10ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 136.1MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:16:54,666 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:16:54,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.43ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 136.1MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:16:54,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.43ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 136.1MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:16:56,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:16:56,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:16:56,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:16:56,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:16:56,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:16:56,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:16:56,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:16:56,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:16:56,369 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:16:56,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:16:56,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:16:56,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:16:56,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:16:56,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:16:56,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:16:56,371 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:16:56,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:16:56,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:16:56,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:16:56,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:16:56,373 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/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 -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2025-03-04 07:16:56,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:16:56,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:16:56,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:16:56,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:16:56,629 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:16:56,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2025-03-04 07:16:57,744 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85bfb08a/5a2aa152d22148a1bb63df5f7e23835a/FLAGd27cf03e6 [2025-03-04 07:16:58,009 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:16:58,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2025-03-04 07:16:58,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85bfb08a/5a2aa152d22148a1bb63df5f7e23835a/FLAGd27cf03e6 [2025-03-04 07:16:58,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85bfb08a/5a2aa152d22148a1bb63df5f7e23835a [2025-03-04 07:16:58,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:16:58,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:16:58,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:16:58,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:16:58,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:16:58,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daac5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58, skipping insertion in model container [2025-03-04 07:16:58,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:16:58,410 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,437 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,439 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,442 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,446 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,470 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,471 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,473 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,474 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,475 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,476 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,477 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,478 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,480 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:16:58,495 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:16:58,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:16:58,533 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,547 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,551 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,553 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,560 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,578 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,578 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,580 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,580 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,581 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,582 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,585 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:16:58,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:16:58,591 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:16:58,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:16:58,738 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:16:58,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58 WrapperNode [2025-03-04 07:16:58,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:16:58,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:16:58,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:16:58,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:16:58,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,817 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1026 [2025-03-04 07:16:58,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:16:58,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:16:58,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:16:58,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:16:58,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,837 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,903 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 34, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 4, 49]. [2025-03-04 07:16:58,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:16:58,951 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:16:58,951 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:16:58,951 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:16:58,952 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (1/1) ... [2025-03-04 07:16:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:16:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:16:58,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 07:16:58,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:16:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-04 07:16:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-04 07:16:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:16:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-04 07:16:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-04 07:16:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-04 07:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:16:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:16:59,197 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:16:59,198 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:16:59,251 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-04 07:17:03,473 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-04 07:17:03,473 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-04 07:17:03,473 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-04 07:17:03,524 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2025-03-04 07:17:03,524 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:17:03,533 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:17:03,535 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:17:03,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:17:03 BoogieIcfgContainer [2025-03-04 07:17:03,536 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:17:03,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:17:03,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:17:03,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:17:03,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:16:58" (1/3) ... [2025-03-04 07:17:03,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ecedad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:17:03, skipping insertion in model container [2025-03-04 07:17:03,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:16:58" (2/3) ... [2025-03-04 07:17:03,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ecedad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:17:03, skipping insertion in model container [2025-03-04 07:17:03,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:17:03" (3/3) ... [2025-03-04 07:17:03,545 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-1.i [2025-03-04 07:17:03,554 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:17:03,555 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test6-1.i that has 6 procedures, 229 locations, 1 initial locations, 34 loop locations, and 2 error locations. [2025-03-04 07:17:03,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:17:03,591 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;@6a854827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:17:03,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:17:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 209 states have internal predecessors, (326), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:17:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-04 07:17:03,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:03,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:03,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:03,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:03,604 INFO L85 PathProgramCache]: Analyzing trace with hash -345517548, now seen corresponding path program 1 times [2025-03-04 07:17:03,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:03,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835842053] [2025-03-04 07:17:03,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:03,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:03,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:03,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:03,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:17:03,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 07:17:03,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 07:17:03,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:03,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:03,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:17:03,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:03,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:03,808 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:03,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835842053] [2025-03-04 07:17:03,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835842053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:03,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:03,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:17:03,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398779186] [2025-03-04 07:17:03,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:03,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:17:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:03,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:17:03,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:17:03,835 INFO L87 Difference]: Start difference. First operand has 229 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 209 states have internal predecessors, (326), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:03,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:03,861 INFO L93 Difference]: Finished difference Result 224 states and 289 transitions. [2025-03-04 07:17:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:17:03,862 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-04 07:17:03,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:03,869 INFO L225 Difference]: With dead ends: 224 [2025-03-04 07:17:03,870 INFO L226 Difference]: Without dead ends: 222 [2025-03-04 07:17:03,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:17:03,875 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:03,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:17:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-03-04 07:17:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2025-03-04 07:17:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 199 states have (on average 1.2914572864321607) internal successors, (257), 204 states have internal predecessors, (257), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:17:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 287 transitions. [2025-03-04 07:17:03,924 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 287 transitions. Word has length 10 [2025-03-04 07:17:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:03,924 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 287 transitions. [2025-03-04 07:17:03,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 287 transitions. [2025-03-04 07:17:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 07:17:03,926 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:03,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:03,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:17:04,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:04,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:04,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1820469489, now seen corresponding path program 1 times [2025-03-04 07:17:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167454815] [2025-03-04 07:17:04,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:04,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:04,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:04,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:04,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 07:17:04,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 07:17:04,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 07:17:04,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:04,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:04,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:17:04,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:04,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:04,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:04,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167454815] [2025-03-04 07:17:04,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167454815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:04,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:04,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:04,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280585281] [2025-03-04 07:17:04,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:04,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:04,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:04,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:04,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:04,379 INFO L87 Difference]: Start difference. First operand 222 states and 287 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:06,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:17:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:08,212 INFO L93 Difference]: Finished difference Result 334 states and 435 transitions. [2025-03-04 07:17:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:17:08,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-03-04 07:17:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:08,215 INFO L225 Difference]: With dead ends: 334 [2025-03-04 07:17:08,215 INFO L226 Difference]: Without dead ends: 334 [2025-03-04 07:17:08,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:08,215 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 135 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:08,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 776 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-03-04 07:17:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-04 07:17:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 330. [2025-03-04 07:17:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 307 states have (on average 1.3029315960912051) internal successors, (400), 312 states have internal predecessors, (400), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:17:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 430 transitions. [2025-03-04 07:17:08,227 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 430 transitions. Word has length 12 [2025-03-04 07:17:08,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:08,227 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 430 transitions. [2025-03-04 07:17:08,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 430 transitions. [2025-03-04 07:17:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 07:17:08,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:08,228 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:08,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 07:17:08,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:08,432 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:08,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2076188587, now seen corresponding path program 1 times [2025-03-04 07:17:08,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:08,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753722272] [2025-03-04 07:17:08,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:08,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:08,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:08,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:08,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 07:17:08,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 07:17:08,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 07:17:08,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:08,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:08,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 07:17:08,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:08,576 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:08,577 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:08,577 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:08,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:17:08,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:17:08,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:17:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:08,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:08,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:08,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753722272] [2025-03-04 07:17:08,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753722272] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:08,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:08,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:08,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799816165] [2025-03-04 07:17:08,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:08,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:08,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:08,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:08,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:08,650 INFO L87 Difference]: Start difference. First operand 330 states and 430 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:09,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:09,044 INFO L93 Difference]: Finished difference Result 507 states and 667 transitions. [2025-03-04 07:17:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:17:09,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 07:17:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:09,046 INFO L225 Difference]: With dead ends: 507 [2025-03-04 07:17:09,046 INFO L226 Difference]: Without dead ends: 507 [2025-03-04 07:17:09,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:17:09,047 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 225 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:09,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 795 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:17:09,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2025-03-04 07:17:09,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 329. [2025-03-04 07:17:09,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 311 states have internal predecessors, (398), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:17:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 428 transitions. [2025-03-04 07:17:09,065 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 428 transitions. Word has length 15 [2025-03-04 07:17:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:09,065 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 428 transitions. [2025-03-04 07:17:09,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 428 transitions. [2025-03-04 07:17:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:17:09,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:09,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:09,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 07:17:09,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:09,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:09,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash 956046006, now seen corresponding path program 1 times [2025-03-04 07:17:09,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:09,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442109507] [2025-03-04 07:17:09,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:09,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:09,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:09,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 07:17:09,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:17:09,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:17:09,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:09,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:09,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:17:09,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:09,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:09,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:09,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442109507] [2025-03-04 07:17:09,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442109507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:09,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:09,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:17:09,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801549834] [2025-03-04 07:17:09,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:09,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:17:09,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:09,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:17:09,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:17:09,482 INFO L87 Difference]: Start difference. First operand 329 states and 428 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:09,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:09,567 INFO L93 Difference]: Finished difference Result 369 states and 468 transitions. [2025-03-04 07:17:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:17:09,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:17:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:09,571 INFO L225 Difference]: With dead ends: 369 [2025-03-04 07:17:09,571 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 07:17:09,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:17:09,572 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 519 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 [2025-03-04 07:17:09,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:17:09,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 07:17:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-04 07:17:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 346 states have (on average 1.2658959537572254) internal successors, (438), 351 states have internal predecessors, (438), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:17:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 468 transitions. [2025-03-04 07:17:09,579 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 468 transitions. Word has length 48 [2025-03-04 07:17:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:09,579 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 468 transitions. [2025-03-04 07:17:09,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 468 transitions. [2025-03-04 07:17:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:17:09,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:09,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:09,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 07:17:09,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:09,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:09,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:09,786 INFO L85 PathProgramCache]: Analyzing trace with hash 925026199, now seen corresponding path program 1 times [2025-03-04 07:17:09,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:09,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666827218] [2025-03-04 07:17:09,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:09,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:09,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:09,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:09,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 07:17:09,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:17:09,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:17:09,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:09,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:09,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:17:09,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:10,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:10,015 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666827218] [2025-03-04 07:17:10,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666827218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:10,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:10,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:10,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366652770] [2025-03-04 07:17:10,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:10,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:10,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:10,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:10,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:10,016 INFO L87 Difference]: Start difference. First operand 369 states and 468 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:10,092 INFO L93 Difference]: Finished difference Result 335 states and 412 transitions. [2025-03-04 07:17:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:17:10,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:17:10,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:10,093 INFO L225 Difference]: With dead ends: 335 [2025-03-04 07:17:10,093 INFO L226 Difference]: Without dead ends: 335 [2025-03-04 07:17:10,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:17:10,094 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 32 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 751 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 [2025-03-04 07:17:10,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 751 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:17:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2025-03-04 07:17:10,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2025-03-04 07:17:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 317 states have internal predecessors, (382), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:17:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 412 transitions. [2025-03-04 07:17:10,105 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 412 transitions. Word has length 48 [2025-03-04 07:17:10,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:10,105 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 412 transitions. [2025-03-04 07:17:10,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 412 transitions. [2025-03-04 07:17:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:17:10,107 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:10,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:10,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 07:17:10,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:10,308 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:10,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:10,309 INFO L85 PathProgramCache]: Analyzing trace with hash -983849296, now seen corresponding path program 1 times [2025-03-04 07:17:10,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:10,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585878107] [2025-03-04 07:17:10,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:10,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:10,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:10,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 07:17:10,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:17:10,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:17:10,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:10,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:10,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 07:17:10,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:10,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:10,639 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:10,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585878107] [2025-03-04 07:17:10,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585878107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:10,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:10,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 07:17:10,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708409968] [2025-03-04 07:17:10,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:10,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:17:10,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:10,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:17:10,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:17:10,640 INFO L87 Difference]: Start difference. First operand 335 states and 412 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:10,747 INFO L93 Difference]: Finished difference Result 344 states and 422 transitions. [2025-03-04 07:17:10,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 07:17:10,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:17:10,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:10,749 INFO L225 Difference]: With dead ends: 344 [2025-03-04 07:17:10,749 INFO L226 Difference]: Without dead ends: 344 [2025-03-04 07:17:10,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-04 07:17:10,750 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 8 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:10,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1869 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:17:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-04 07:17:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 343. [2025-03-04 07:17:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 317 states have (on average 1.220820189274448) internal successors, (387), 323 states have internal predecessors, (387), 19 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 07:17:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 421 transitions. [2025-03-04 07:17:10,759 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 421 transitions. Word has length 48 [2025-03-04 07:17:10,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:10,760 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 421 transitions. [2025-03-04 07:17:10,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:17:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 421 transitions. [2025-03-04 07:17:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-04 07:17:10,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:10,763 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:10,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 07:17:10,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:10,964 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:10,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1472963590, now seen corresponding path program 1 times [2025-03-04 07:17:10,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:10,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209248899] [2025-03-04 07:17:10,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:10,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:10,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 07:17:11,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 07:17:11,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 07:17:11,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:11,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:11,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:17:11,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:17:11,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:11,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:11,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209248899] [2025-03-04 07:17:11,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209248899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:11,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:11,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:11,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393826675] [2025-03-04 07:17:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:11,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:11,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:11,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:11,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:11,252 INFO L87 Difference]: Start difference. First operand 343 states and 421 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 07:17:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:11,429 INFO L93 Difference]: Finished difference Result 905 states and 1134 transitions. [2025-03-04 07:17:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:17:11,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2025-03-04 07:17:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:11,433 INFO L225 Difference]: With dead ends: 905 [2025-03-04 07:17:11,433 INFO L226 Difference]: Without dead ends: 905 [2025-03-04 07:17:11,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:11,434 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 501 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:11,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1418 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:17:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2025-03-04 07:17:11,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 851. [2025-03-04 07:17:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 805 states have (on average 1.2434782608695651) internal successors, (1001), 812 states have internal predecessors, (1001), 33 states have call successors, (33), 12 states have call predecessors, (33), 11 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32) [2025-03-04 07:17:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1066 transitions. [2025-03-04 07:17:11,450 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1066 transitions. Word has length 68 [2025-03-04 07:17:11,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:11,450 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1066 transitions. [2025-03-04 07:17:11,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 07:17:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1066 transitions. [2025-03-04 07:17:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 07:17:11,451 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:11,452 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:11,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 07:17:11,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:11,652 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:11,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1374354696, now seen corresponding path program 1 times [2025-03-04 07:17:11,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:11,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527551149] [2025-03-04 07:17:11,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:11,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:11,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:11,655 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:11,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 07:17:11,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 07:17:11,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 07:17:11,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:11,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:11,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:17:11,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 07:17:12,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:12,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:12,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527551149] [2025-03-04 07:17:12,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527551149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:12,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:12,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:12,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797874074] [2025-03-04 07:17:12,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:12,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:12,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:12,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:12,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:12,012 INFO L87 Difference]: Start difference. First operand 851 states and 1066 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:17:12,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:12,046 INFO L93 Difference]: Finished difference Result 863 states and 1081 transitions. [2025-03-04 07:17:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:17:12,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 94 [2025-03-04 07:17:12,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:12,050 INFO L225 Difference]: With dead ends: 863 [2025-03-04 07:17:12,050 INFO L226 Difference]: Without dead ends: 863 [2025-03-04 07:17:12,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:12,050 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:12,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 811 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:17:12,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2025-03-04 07:17:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 863. [2025-03-04 07:17:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 814 states have (on average 1.2444717444717446) internal successors, (1013), 824 states have internal predecessors, (1013), 33 states have call successors, (33), 12 states have call predecessors, (33), 14 states have return successors, (35), 26 states have call predecessors, (35), 29 states have call successors, (35) [2025-03-04 07:17:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1081 transitions. [2025-03-04 07:17:12,066 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1081 transitions. Word has length 94 [2025-03-04 07:17:12,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:12,066 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1081 transitions. [2025-03-04 07:17:12,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:17:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1081 transitions. [2025-03-04 07:17:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 07:17:12,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:12,068 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:12,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 07:17:12,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:12,268 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:12,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash -503453204, now seen corresponding path program 1 times [2025-03-04 07:17:12,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:12,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587052497] [2025-03-04 07:17:12,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:12,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:12,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:12,271 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:12,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 07:17:12,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 07:17:12,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 07:17:12,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:12,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:12,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 07:17:12,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:17:12,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:17:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-04 07:17:13,030 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:13,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587052497] [2025-03-04 07:17:13,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587052497] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:17:13,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:17:13,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-04 07:17:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942681402] [2025-03-04 07:17:13,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:17:13,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 07:17:13,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:13,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 07:17:13,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-04 07:17:13,032 INFO L87 Difference]: Start difference. First operand 863 states and 1081 transitions. Second operand has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-04 07:17:14,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:14,550 INFO L93 Difference]: Finished difference Result 3258 states and 4122 transitions. [2025-03-04 07:17:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-04 07:17:14,551 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 96 [2025-03-04 07:17:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:14,564 INFO L225 Difference]: With dead ends: 3258 [2025-03-04 07:17:14,565 INFO L226 Difference]: Without dead ends: 3258 [2025-03-04 07:17:14,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-04 07:17:14,566 INFO L435 NwaCegarLoop]: 942 mSDtfsCounter, 3708 mSDsluCounter, 6267 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 7209 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:14,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 7209 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 07:17:14,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2025-03-04 07:17:14,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 2407. [2025-03-04 07:17:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 2307 states have (on average 1.2514087559601215) internal successors, (2887), 2325 states have internal predecessors, (2887), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-04 07:17:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3030 transitions. [2025-03-04 07:17:14,615 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3030 transitions. Word has length 96 [2025-03-04 07:17:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:14,616 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3030 transitions. [2025-03-04 07:17:14,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-04 07:17:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3030 transitions. [2025-03-04 07:17:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 07:17:14,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:14,617 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:14,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 07:17:14,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:14,817 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:14,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:14,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1294074739, now seen corresponding path program 1 times [2025-03-04 07:17:14,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:14,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777076731] [2025-03-04 07:17:14,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:14,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:14,820 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:14,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 07:17:15,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 07:17:15,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 07:17:15,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:15,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:15,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 07:17:15,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:15,166 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:15,167 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:15,168 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:17:15,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:17:15,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:17:15,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:17:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-04 07:17:15,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:17:15,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:15,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777076731] [2025-03-04 07:17:15,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777076731] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:17:15,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:17:15,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:17:15,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446866422] [2025-03-04 07:17:15,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:17:15,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:17:15,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:15,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:17:15,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:17:15,210 INFO L87 Difference]: Start difference. First operand 2407 states and 3030 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:17:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:15,518 INFO L93 Difference]: Finished difference Result 3399 states and 4348 transitions. [2025-03-04 07:17:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:17:15,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 104 [2025-03-04 07:17:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:15,527 INFO L225 Difference]: With dead ends: 3399 [2025-03-04 07:17:15,528 INFO L226 Difference]: Without dead ends: 3399 [2025-03-04 07:17:15,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:17:15,529 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 210 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:15,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 754 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:17:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2025-03-04 07:17:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2423. [2025-03-04 07:17:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 2323 states have (on average 1.2496771416272061) internal successors, (2903), 2341 states have internal predecessors, (2903), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-04 07:17:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3046 transitions. [2025-03-04 07:17:15,574 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3046 transitions. Word has length 104 [2025-03-04 07:17:15,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:15,574 INFO L471 AbstractCegarLoop]: Abstraction has 2423 states and 3046 transitions. [2025-03-04 07:17:15,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:17:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3046 transitions. [2025-03-04 07:17:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-04 07:17:15,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:15,575 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:15,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 07:17:15,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:15,776 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:15,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash 55779331, now seen corresponding path program 1 times [2025-03-04 07:17:15,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:15,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298977457] [2025-03-04 07:17:15,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:17:15,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:15,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:15,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:15,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 07:17:16,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-04 07:17:16,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-04 07:17:16,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:17:16,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:17:16,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:17:16,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:17:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 07:17:16,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:17:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:17:16,332 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:17:16,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298977457] [2025-03-04 07:17:16,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298977457] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:17:16,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:17:16,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:17:16,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393415449] [2025-03-04 07:17:16,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:17:16,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:17:16,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:17:16,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:17:16,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:17:16,333 INFO L87 Difference]: Start difference. First operand 2423 states and 3046 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 07:17:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:17:16,439 INFO L93 Difference]: Finished difference Result 2501 states and 3160 transitions. [2025-03-04 07:17:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:17:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2025-03-04 07:17:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:17:16,446 INFO L225 Difference]: With dead ends: 2501 [2025-03-04 07:17:16,446 INFO L226 Difference]: Without dead ends: 2501 [2025-03-04 07:17:16,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-04 07:17:16,446 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 5 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:17:16,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 810 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:17:16,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2025-03-04 07:17:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2483. [2025-03-04 07:17:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2377 states have (on average 1.2591501893142616) internal successors, (2993), 2395 states have internal predecessors, (2993), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (80), 55 states have call predecessors, (80), 65 states have call successors, (80) [2025-03-04 07:17:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3142 transitions. [2025-03-04 07:17:16,484 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3142 transitions. Word has length 111 [2025-03-04 07:17:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:17:16,485 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 3142 transitions. [2025-03-04 07:17:16,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 07:17:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3142 transitions. [2025-03-04 07:17:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-04 07:17:16,485 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:17:16,485 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:17:16,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 07:17:16,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:16,686 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:17:16,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:17:16,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1211696569, now seen corresponding path program 2 times [2025-03-04 07:17:16,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:17:16,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101639469] [2025-03-04 07:17:16,688 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:17:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:17:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:17:16,690 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:17:16,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 07:17:16,949 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes.