./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8fc3dc66 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_test8-1.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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:36:10,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:36:10,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-17 11:36:10,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:36:10,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:36:10,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:36:10,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:36:10,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:36:10,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:36:10,763 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:36:10,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:36:10,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:36:10,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:36:10,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:36:10,764 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:36:10,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:36:10,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:36:10,764 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:36:10,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:36:10,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:36:10,766 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:36:10,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:36:10,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:36:10,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:36:10,767 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 -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2025-03-17 11:36:10,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:36:10,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:36:10,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:36:10,991 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:36:10,991 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:36:10,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 11:36:12,128 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961b6db33/345f06522aef41b3a5c33306adf22cbc/FLAGc18eb95dc [2025-03-17 11:36:12,402 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:36:12,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 11:36:12,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961b6db33/345f06522aef41b3a5c33306adf22cbc/FLAGc18eb95dc [2025-03-17 11:36:12,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961b6db33/345f06522aef41b3a5c33306adf22cbc [2025-03-17 11:36:12,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:36:12,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:36:12,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:36:12,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:36:12,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:36:12,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:36:12" (1/1) ... [2025-03-17 11:36:12,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68573e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:12, skipping insertion in model container [2025-03-17 11:36:12,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:36:12" (1/1) ... [2025-03-17 11:36:12,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:36:12,693 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,718 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,722 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,726 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,730 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,753 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,753 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,755 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,755 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,756 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,757 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,758 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,758 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:12,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:36:12,780 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) [2025-03-17 11:36:12,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a93f8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:12, skipping insertion in model container [2025-03-17 11:36:12,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:36:12,780 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-17 11:36:12,782 INFO L158 Benchmark]: Toolchain (without parser) took 349.68ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 102.9MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:36:12,782 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:36:12,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.14ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 102.9MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:36:12,783 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.14ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 102.9MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/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_test8-1.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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:36:14,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:36:14,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-17 11:36:14,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:36:14,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:36:14,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:36:14,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:36:14,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:36:14,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:36:14,494 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:36:14,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:36:14,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:36:14,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:36:14,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:36:14,496 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:36:14,497 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:36:14,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:36:14,497 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 11:36:14,498 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 11:36:14,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:36:14,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:36:14,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:36:14,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:36:14,498 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 -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2025-03-17 11:36:14,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:36:14,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:36:14,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:36:14,749 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:36:14,749 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:36:14,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 11:36:15,925 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a723202bf/de922d345607420eb50dfbb5d713ce3d/FLAGf62401b7d [2025-03-17 11:36:16,186 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:36:16,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 11:36:16,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a723202bf/de922d345607420eb50dfbb5d713ce3d/FLAGf62401b7d [2025-03-17 11:36:16,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a723202bf/de922d345607420eb50dfbb5d713ce3d [2025-03-17 11:36:16,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:36:16,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:36:16,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:36:16,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:36:16,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:36:16,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5991e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16, skipping insertion in model container [2025-03-17 11:36:16,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:36:16,519 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,547 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,551 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,555 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,559 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,584 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,584 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,586 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,586 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,589 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,590 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,590 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:36:16,605 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-17 11:36:16,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:36:16,658 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,673 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,678 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,679 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,684 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,703 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,703 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,707 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,707 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,709 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,710 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,711 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,711 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:36:16,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:36:16,725 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:36:16,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:36:16,810 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:36:16,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16 WrapperNode [2025-03-17 11:36:16,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:36:16,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:36:16,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:36:16,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:36:16,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,866 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 976 [2025-03-17 11:36:16,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:36:16,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:36:16,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:36:16,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:36:16,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,947 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [220, 2, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [50, 0, 4]. [2025-03-17 11:36:16,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:16,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:36:16,996 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:36:16,996 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:36:16,996 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:36:16,997 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (1/1) ... [2025-03-17 11:36:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:36:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:17,021 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) [2025-03-17 11:36:17,023 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 [2025-03-17 11:36:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 11:36:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 11:36:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 11:36:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 11:36:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 11:36:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 11:36:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 11:36:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 11:36:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 11:36:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-03-17 11:36:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-17 11:36:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-17 11:36:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-17 11:36:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 11:36:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-17 11:36:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-17 11:36:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:36:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:36:17,194 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:36:17,196 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:36:23,617 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 11:36:23,674 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-03-17 11:36:23,674 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:36:23,682 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:36:23,683 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:36:23,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:36:23 BoogieIcfgContainer [2025-03-17 11:36:23,683 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:36:23,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:36:23,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:36:23,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:36:23,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:36:16" (1/3) ... [2025-03-17 11:36:23,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8211b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:36:23, skipping insertion in model container [2025-03-17 11:36:23,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:36:16" (2/3) ... [2025-03-17 11:36:23,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8211b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:36:23, skipping insertion in model container [2025-03-17 11:36:23,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:36:23" (3/3) ... [2025-03-17 11:36:23,690 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2025-03-17 11:36:23,698 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:36:23,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test8-1.i that has 7 procedures, 238 locations, 1 initial locations, 35 loop locations, and 2 error locations. [2025-03-17 11:36:23,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:36:23,739 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;@659a79dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:36:23,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 11:36:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 201 states have (on average 1.671641791044776) internal successors, (336), 220 states have internal predecessors, (336), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 11:36:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 11:36:23,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:23,750 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 11:36:23,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:23,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:23,755 INFO L85 PathProgramCache]: Analyzing trace with hash 67105084, now seen corresponding path program 1 times [2025-03-17 11:36:23,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:23,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902867634] [2025-03-17 11:36:23,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:23,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:23,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:23,767 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) [2025-03-17 11:36:23,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:36:23,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 11:36:23,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 11:36:23,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:23,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:23,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 11:36:23,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:36:23,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:23,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:23,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902867634] [2025-03-17 11:36:23,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902867634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:23,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:23,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:36:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670291270] [2025-03-17 11:36:23,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:23,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:36:23,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:23,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:36:23,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:36:23,952 INFO L87 Difference]: Start difference. First operand has 230 states, 201 states have (on average 1.671641791044776) internal successors, (336), 220 states have internal predecessors, (336), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:36:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:23,980 INFO L93 Difference]: Finished difference Result 228 states and 313 transitions. [2025-03-17 11:36:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:36:23,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 11:36:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:23,989 INFO L225 Difference]: With dead ends: 228 [2025-03-17 11:36:23,990 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 11:36:23,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:36:23,994 INFO L435 NwaCegarLoop]: 313 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, 313 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 [2025-03-17 11:36:23,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:36:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 11:36:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2025-03-17 11:36:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 216 states have internal predecessors, (269), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:36:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 311 transitions. [2025-03-17 11:36:24,033 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 311 transitions. Word has length 6 [2025-03-17 11:36:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:24,033 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 311 transitions. [2025-03-17 11:36:24,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:36:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 311 transitions. [2025-03-17 11:36:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 11:36:24,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:24,034 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:24,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 11:36:24,235 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 [2025-03-17 11:36:24,235 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash -933781335, now seen corresponding path program 1 times [2025-03-17 11:36:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432330585] [2025-03-17 11:36:24,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:24,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:24,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:24,241 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) [2025-03-17 11:36:24,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:36:24,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 11:36:24,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 11:36:24,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:24,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:24,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:36:24,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:24,401 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:36:24,402 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:36:24,402 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:36:24,410 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 [2025-03-17 11:36:24,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:36:24,483 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 [2025-03-17 11:36:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:36:24,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:24,505 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:24,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432330585] [2025-03-17 11:36:24,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432330585] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:24,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:24,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:36:24,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863572856] [2025-03-17 11:36:24,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:24,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:36:24,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:24,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:36:24,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:36:24,506 INFO L87 Difference]: Start difference. First operand 226 states and 311 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:36:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:24,925 INFO L93 Difference]: Finished difference Result 402 states and 544 transitions. [2025-03-17 11:36:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:36:24,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-17 11:36:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:24,928 INFO L225 Difference]: With dead ends: 402 [2025-03-17 11:36:24,928 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 11:36:24,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:36:24,929 INFO L435 NwaCegarLoop]: 317 mSDtfsCounter, 219 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:36:24,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 916 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 11:36:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 11:36:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 228. [2025-03-17 11:36:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.3482587064676617) internal successors, (271), 218 states have internal predecessors, (271), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:36:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 313 transitions. [2025-03-17 11:36:24,949 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 313 transitions. Word has length 8 [2025-03-17 11:36:24,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:24,949 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 313 transitions. [2025-03-17 11:36:24,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:36:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 313 transitions. [2025-03-17 11:36:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 11:36:24,962 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:24,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:24,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 11:36:25,162 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 [2025-03-17 11:36:25,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:25,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1379401467, now seen corresponding path program 1 times [2025-03-17 11:36:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:25,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043575662] [2025-03-17 11:36:25,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:25,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:25,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:25,166 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) [2025-03-17 11:36:25,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:36:25,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 11:36:25,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 11:36:25,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:25,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:25,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:36:25,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:36:25,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:25,595 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:25,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043575662] [2025-03-17 11:36:25,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043575662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:25,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:25,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:36:25,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797053588] [2025-03-17 11:36:25,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:25,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:36:25,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:25,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:36:25,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:36:25,597 INFO L87 Difference]: Start difference. First operand 228 states and 313 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) [2025-03-17 11:36:26,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:26,096 INFO L93 Difference]: Finished difference Result 336 states and 455 transitions. [2025-03-17 11:36:26,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:36:26,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 64 [2025-03-17 11:36:26,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:26,102 INFO L225 Difference]: With dead ends: 336 [2025-03-17 11:36:26,102 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 11:36:26,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:36:26,102 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 102 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 11:36:26,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 644 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 11:36:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 11:36:26,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2025-03-17 11:36:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 303 states have (on average 1.3432343234323432) internal successors, (407), 320 states have internal predecessors, (407), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:36:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 451 transitions. [2025-03-17 11:36:26,114 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 451 transitions. Word has length 64 [2025-03-17 11:36:26,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:26,114 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 451 transitions. [2025-03-17 11:36:26,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) [2025-03-17 11:36:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 451 transitions. [2025-03-17 11:36:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:36:26,116 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:26,116 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:26,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 11:36:26,320 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 [2025-03-17 11:36:26,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:26,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1096153342, now seen corresponding path program 1 times [2025-03-17 11:36:26,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:26,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091984429] [2025-03-17 11:36:26,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:26,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:26,324 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) [2025-03-17 11:36:26,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:36:26,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:36:26,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:36:26,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:26,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:26,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:36:26,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:36:26,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:26,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:26,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091984429] [2025-03-17 11:36:26,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091984429] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:26,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:26,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:36:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818856772] [2025-03-17 11:36:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:26,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:36:26,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:26,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:36:26,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:36:26,645 INFO L87 Difference]: Start difference. First operand 331 states and 451 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:26,735 INFO L93 Difference]: Finished difference Result 371 states and 491 transitions. [2025-03-17 11:36:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:36:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:36:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:26,737 INFO L225 Difference]: With dead ends: 371 [2025-03-17 11:36:26,738 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 11:36:26,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:36:26,739 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 8 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 567 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 [2025-03-17 11:36:26,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 567 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:36:26,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 11:36:26,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-17 11:36:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 343 states have (on average 1.3032069970845481) internal successors, (447), 360 states have internal predecessors, (447), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:36:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 491 transitions. [2025-03-17 11:36:26,748 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 491 transitions. Word has length 79 [2025-03-17 11:36:26,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:26,749 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 491 transitions. [2025-03-17 11:36:26,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 491 transitions. [2025-03-17 11:36:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:36:26,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:26,750 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:26,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:36:26,951 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 [2025-03-17 11:36:26,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:26,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash 815803453, now seen corresponding path program 1 times [2025-03-17 11:36:26,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:26,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292288285] [2025-03-17 11:36:26,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:26,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:26,954 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) [2025-03-17 11:36:26,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 11:36:27,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:36:27,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:36:27,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:27,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:27,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:36:27,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:36:27,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:27,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292288285] [2025-03-17 11:36:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292288285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:27,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:27,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:36:27,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283964602] [2025-03-17 11:36:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:27,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:36:27,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:27,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:36:27,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:36:27,267 INFO L87 Difference]: Start difference. First operand 371 states and 491 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:27,351 INFO L93 Difference]: Finished difference Result 337 states and 435 transitions. [2025-03-17 11:36:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 11:36:27,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:36:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:27,353 INFO L225 Difference]: With dead ends: 337 [2025-03-17 11:36:27,353 INFO L226 Difference]: Without dead ends: 337 [2025-03-17 11:36:27,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:36:27,355 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 32 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 823 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 [2025-03-17 11:36:27,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 823 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:36:27,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-17 11:36:27,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2025-03-17 11:36:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 326 states have internal predecessors, (391), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:36:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 435 transitions. [2025-03-17 11:36:27,370 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 435 transitions. Word has length 79 [2025-03-17 11:36:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:27,370 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 435 transitions. [2025-03-17 11:36:27,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 435 transitions. [2025-03-17 11:36:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:36:27,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:27,372 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:27,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 11:36:27,572 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 [2025-03-17 11:36:27,572 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:27,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:27,574 INFO L85 PathProgramCache]: Analyzing trace with hash -312912828, now seen corresponding path program 1 times [2025-03-17 11:36:27,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:27,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792759911] [2025-03-17 11:36:27,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:27,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:27,576 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) [2025-03-17 11:36:27,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 11:36:27,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:36:27,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:36:27,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:27,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:27,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:36:27,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 11:36:27,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:36:27,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792759911] [2025-03-17 11:36:27,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792759911] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:36:27,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:36:27,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:36:27,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621753527] [2025-03-17 11:36:27,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:36:27,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:36:27,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:27,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:36:27,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:36:27,886 INFO L87 Difference]: Start difference. First operand 337 states and 435 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:27,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:27,919 INFO L93 Difference]: Finished difference Result 340 states and 439 transitions. [2025-03-17 11:36:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:36:27,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:36:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:27,921 INFO L225 Difference]: With dead ends: 340 [2025-03-17 11:36:27,921 INFO L226 Difference]: Without dead ends: 340 [2025-03-17 11:36:27,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:36:27,922 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:36:27,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 887 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:36:27,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-03-17 11:36:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2025-03-17 11:36:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 311 states have (on average 1.2668810289389068) internal successors, (394), 329 states have internal predecessors, (394), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2025-03-17 11:36:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 439 transitions. [2025-03-17 11:36:27,932 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 439 transitions. Word has length 79 [2025-03-17 11:36:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:27,932 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 439 transitions. [2025-03-17 11:36:27,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:36:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 439 transitions. [2025-03-17 11:36:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-17 11:36:27,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:27,933 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:27,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 11:36:28,140 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 [2025-03-17 11:36:28,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:28,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash 374177512, now seen corresponding path program 1 times [2025-03-17 11:36:28,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:28,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120188594] [2025-03-17 11:36:28,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:36:28,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:28,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:28,143 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) [2025-03-17 11:36:28,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 11:36:28,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-17 11:36:28,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 11:36:28,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:36:28,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:36:28,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:36:28,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:36:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 11:36:28,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:36:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 11:36:28,534 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:36:28,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120188594] [2025-03-17 11:36:28,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120188594] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:36:28,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:36:28,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 11:36:28,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179657196] [2025-03-17 11:36:28,534 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:36:28,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:36:28,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:36:28,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:36:28,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:36:28,538 INFO L87 Difference]: Start difference. First operand 340 states and 439 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 11:36:28,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:36:28,649 INFO L93 Difference]: Finished difference Result 351 states and 456 transitions. [2025-03-17 11:36:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:36:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 81 [2025-03-17 11:36:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:36:28,655 INFO L225 Difference]: With dead ends: 351 [2025-03-17 11:36:28,655 INFO L226 Difference]: Without dead ends: 351 [2025-03-17 11:36:28,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 11:36:28,656 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 4 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:36:28,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1472 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:36:28,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-03-17 11:36:28,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2025-03-17 11:36:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 319 states have (on average 1.2789968652037618) internal successors, (408), 337 states have internal predecessors, (408), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2025-03-17 11:36:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 454 transitions. [2025-03-17 11:36:28,666 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 454 transitions. Word has length 81 [2025-03-17 11:36:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:36:28,666 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 454 transitions. [2025-03-17 11:36:28,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 11:36:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 454 transitions. [2025-03-17 11:36:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 11:36:28,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:36:28,668 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:36:28,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 11:36:28,868 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 [2025-03-17 11:36:28,868 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:36:28,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:36:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash -489553436, now seen corresponding path program 2 times [2025-03-17 11:36:28,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:36:28,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651831425] [2025-03-17 11:36:28,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:36:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:36:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:36:28,871 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) [2025-03-17 11:36:28,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 11:36:29,065 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes.