./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e2fb8bed 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_JEN_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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:26:03,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:26:03,449 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-08 22:26:03,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:26:03,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:26:03,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:26:03,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:26:03,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:26:03,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 22:26:03,467 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 22:26:03,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:26:03,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:26:03,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:26:03,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:26:03,468 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:26:03,468 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:26:03,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:26:03,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:26:03,469 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 -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2025-03-08 22:26:03,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:26:03,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:26:03,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:26:03,705 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:26:03,705 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:26:03,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-03-08 22:26:04,767 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5290f8a5/11846ca181dc4eecaee84ac38b42800b/FLAG4263ab4f9 [2025-03-08 22:26:05,067 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:26:05,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-03-08 22:26:05,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5290f8a5/11846ca181dc4eecaee84ac38b42800b/FLAG4263ab4f9 [2025-03-08 22:26:05,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5290f8a5/11846ca181dc4eecaee84ac38b42800b [2025-03-08 22:26:05,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:26:05,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:26:05,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:26:05,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:26:05,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:26:05,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:26:05" (1/1) ... [2025-03-08 22:26:05,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaa278c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:05, skipping insertion in model container [2025-03-08 22:26:05,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:26:05" (1/1) ... [2025-03-08 22:26:05,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:26:05,621 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,651 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,654 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,656 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,659 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,684 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,684 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,687 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,687 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,692 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,693 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,693 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,694 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:05,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:26:05,710 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) [2025-03-08 22:26:05,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57292821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:05, skipping insertion in model container [2025-03-08 22:26:05,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:26:05,711 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-08 22:26:05,712 INFO L158 Benchmark]: Toolchain (without parser) took 357.82ms. Allocated memory is still 201.3MB. Free memory was 157.3MB in the beginning and 138.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:26:05,712 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:26:05,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.22ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 138.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:26:05,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.22ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 138.1MB in the end (delta: 18.9MB). 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_JEN_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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:26:07,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:26:07,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-08 22:26:07,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:26:07,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:26:07,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:26:07,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:26:07,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:26:07,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 22:26:07,406 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 22:26:07,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:26:07,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:26:07,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:26:07,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:26:07,408 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:26:07,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:26:07,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:26:07,408 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:26:07,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:26:07,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:26:07,409 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:26:07,410 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:26:07,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:26:07,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:26:07,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:26:07,411 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 22:26:07,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 22:26:07,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:26:07,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:26:07,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:26:07,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:26:07,412 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 -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2025-03-08 22:26:07,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:26:07,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:26:07,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:26:07,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:26:07,677 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:26:07,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-03-08 22:26:08,862 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de6eef1f/f4db3cfd3cba4e42a45d7fe5d3e61857/FLAG4d5962e68 [2025-03-08 22:26:09,079 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:26:09,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-03-08 22:26:09,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de6eef1f/f4db3cfd3cba4e42a45d7fe5d3e61857/FLAG4d5962e68 [2025-03-08 22:26:09,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de6eef1f/f4db3cfd3cba4e42a45d7fe5d3e61857 [2025-03-08 22:26:09,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:26:09,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:26:09,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:26:09,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:26:09,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:26:09,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:09,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe88d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09, skipping insertion in model container [2025-03-08 22:26:09,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:09,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:26:09,671 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,701 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,706 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,711 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,715 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,736 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,736 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,739 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,739 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,741 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,742 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,742 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,743 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:26:09,765 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-08 22:26:09,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:26:09,809 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,824 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,828 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,831 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,835 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,858 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,859 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,860 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,861 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,862 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,862 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,865 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,865 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 22:26:09,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:26:09,871 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:26:09,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:26:09,972 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:26:09,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09 WrapperNode [2025-03-08 22:26:09,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:26:09,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:26:09,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:26:09,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:26:09,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,038 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 976 [2025-03-08 22:26:10,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:26:10,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:26:10,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:26:10,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:26:10,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,118 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-03-08 22:26:10,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:26:10,174 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:26:10,174 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:26:10,174 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:26:10,175 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (1/1) ... [2025-03-08 22:26:10,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:26:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:10,197 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) [2025-03-08 22:26:10,198 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 [2025-03-08 22:26:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-08 22:26:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-08 22:26:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 22:26:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 22:26:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 22:26:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 22:26:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-03-08 22:26:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:26:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-08 22:26:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:26:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:26:10,363 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:26:10,366 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:26:16,970 INFO L1307 $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; [2025-03-08 22:26:17,030 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-03-08 22:26:17,031 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:26:17,044 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:26:17,045 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:26:17,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:26:17 BoogieIcfgContainer [2025-03-08 22:26:17,045 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:26:17,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:26:17,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:26:17,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:26:17,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:26:09" (1/3) ... [2025-03-08 22:26:17,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9d4d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:26:17, skipping insertion in model container [2025-03-08 22:26:17,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:26:09" (2/3) ... [2025-03-08 22:26:17,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9d4d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:26:17, skipping insertion in model container [2025-03-08 22:26:17,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:26:17" (3/3) ... [2025-03-08 22:26:17,053 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2025-03-08 22:26:17,063 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:26:17,064 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test8-1.i that has 7 procedures, 239 locations, 1 initial locations, 35 loop locations, and 2 error locations. [2025-03-08 22:26:17,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:26:17,106 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;@43bf57b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:26:17,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 22:26:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 202 states have (on average 1.6683168316831682) internal successors, (337), 221 states have internal predecessors, (337), 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) [2025-03-08 22:26:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-08 22:26:17,115 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:17,115 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:17,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:17,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:17,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1160802893, now seen corresponding path program 1 times [2025-03-08 22:26:17,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:17,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415477731] [2025-03-08 22:26:17,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:17,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:17,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:17,132 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) [2025-03-08 22:26:17,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 22:26:17,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-08 22:26:17,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-08 22:26:17,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:17,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:17,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 22:26:17,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:26:17,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:17,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:17,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415477731] [2025-03-08 22:26:17,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415477731] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:17,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:17,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:26:17,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933188876] [2025-03-08 22:26:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:17,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 22:26:17,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:17,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 22:26:17,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 22:26:17,335 INFO L87 Difference]: Start difference. First operand has 231 states, 202 states have (on average 1.6683168316831682) internal successors, (337), 221 states have internal predecessors, (337), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-08 22:26:17,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:17,362 INFO L93 Difference]: Finished difference Result 229 states and 314 transitions. [2025-03-08 22:26:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 22:26:17,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2025-03-08 22:26:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:17,370 INFO L225 Difference]: With dead ends: 229 [2025-03-08 22:26:17,371 INFO L226 Difference]: Without dead ends: 227 [2025-03-08 22:26:17,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 22:26:17,376 INFO L435 NwaCegarLoop]: 314 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, 314 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 [2025-03-08 22:26:17,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 22:26:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-08 22:26:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2025-03-08 22:26:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 200 states have (on average 1.35) internal successors, (270), 217 states have internal predecessors, (270), 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) [2025-03-08 22:26:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 312 transitions. [2025-03-08 22:26:17,422 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 312 transitions. Word has length 7 [2025-03-08 22:26:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:17,422 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 312 transitions. [2025-03-08 22:26:17,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-08 22:26:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 312 transitions. [2025-03-08 22:26:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-08 22:26:17,422 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:17,423 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:17,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 22:26:17,627 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 [2025-03-08 22:26:17,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:17,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:17,628 INFO L85 PathProgramCache]: Analyzing trace with hash 162659168, now seen corresponding path program 1 times [2025-03-08 22:26:17,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:17,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713792640] [2025-03-08 22:26:17,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:17,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:17,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:17,630 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) [2025-03-08 22:26:17,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 22:26:17,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-08 22:26:17,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-08 22:26:17,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:17,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:17,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 22:26:17,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:17,776 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-08 22:26:17,777 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-08 22:26:17,777 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-08 22:26:17,784 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 [2025-03-08 22:26:17,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-08 22:26:17,847 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 [2025-03-08 22:26:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:26:17,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:17,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713792640] [2025-03-08 22:26:17,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713792640] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:17,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:17,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:26:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519127616] [2025-03-08 22:26:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:17,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:26:17,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:17,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:26:17,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:26:17,870 INFO L87 Difference]: Start difference. First operand 227 states and 312 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-08 22:26:18,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:18,308 INFO L93 Difference]: Finished difference Result 403 states and 545 transitions. [2025-03-08 22:26:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 22:26:18,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-03-08 22:26:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:18,314 INFO L225 Difference]: With dead ends: 403 [2025-03-08 22:26:18,314 INFO L226 Difference]: Without dead ends: 403 [2025-03-08 22:26:18,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 22:26:18,314 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 219 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 867 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 [2025-03-08 22:26:18,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 867 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 22:26:18,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-08 22:26:18,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 229. [2025-03-08 22:26:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 202 states have (on average 1.3465346534653466) internal successors, (272), 219 states have internal predecessors, (272), 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) [2025-03-08 22:26:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2025-03-08 22:26:18,340 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 9 [2025-03-08 22:26:18,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:18,340 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2025-03-08 22:26:18,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-08 22:26:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2025-03-08 22:26:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-08 22:26:18,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:18,341 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, 1] [2025-03-08 22:26:18,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 22:26:18,542 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 [2025-03-08 22:26:18,542 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:18,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:18,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1759075843, now seen corresponding path program 1 times [2025-03-08 22:26:18,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:18,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885742907] [2025-03-08 22:26:18,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:18,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:18,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:18,548 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) [2025-03-08 22:26:18,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 22:26:18,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 22:26:18,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 22:26:18,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:18,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:18,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 22:26:18,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:26:19,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:19,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:19,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885742907] [2025-03-08 22:26:19,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885742907] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:19,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:19,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:26:19,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592368137] [2025-03-08 22:26:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:19,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:26:19,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:19,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:26:19,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:26:19,035 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-08 22:26:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:19,627 INFO L93 Difference]: Finished difference Result 337 states and 456 transitions. [2025-03-08 22:26:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:26:19,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 65 [2025-03-08 22:26:19,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:19,629 INFO L225 Difference]: With dead ends: 337 [2025-03-08 22:26:19,629 INFO L226 Difference]: Without dead ends: 337 [2025-03-08 22:26:19,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:26:19,629 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 102 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 22:26:19,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 646 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 22:26:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-08 22:26:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 332. [2025-03-08 22:26:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.3421052631578947) internal successors, (408), 321 states have internal predecessors, (408), 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) [2025-03-08 22:26:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 452 transitions. [2025-03-08 22:26:19,650 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 452 transitions. Word has length 65 [2025-03-08 22:26:19,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:19,650 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 452 transitions. [2025-03-08 22:26:19,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-08 22:26:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 452 transitions. [2025-03-08 22:26:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-08 22:26:19,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:19,655 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:19,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 22:26:19,856 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 [2025-03-08 22:26:19,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:19,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1430960104, now seen corresponding path program 1 times [2025-03-08 22:26:19,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:19,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077288055] [2025-03-08 22:26:19,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:19,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:19,860 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) [2025-03-08 22:26:19,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 22:26:20,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 22:26:20,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 22:26:20,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:20,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:20,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 22:26:20,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 22:26:20,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:20,152 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077288055] [2025-03-08 22:26:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077288055] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:20,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:20,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:26:20,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109030817] [2025-03-08 22:26:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:20,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:26:20,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:20,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:26:20,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:26:20,156 INFO L87 Difference]: Start difference. First operand 332 states and 452 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-08 22:26:20,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:20,236 INFO L93 Difference]: Finished difference Result 372 states and 492 transitions. [2025-03-08 22:26:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:26:20,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 80 [2025-03-08 22:26:20,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:20,239 INFO L225 Difference]: With dead ends: 372 [2025-03-08 22:26:20,239 INFO L226 Difference]: Without dead ends: 372 [2025-03-08 22:26:20,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:26:20,241 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 8 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 569 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 [2025-03-08 22:26:20,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 569 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 22:26:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-08 22:26:20,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2025-03-08 22:26:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.302325581395349) internal successors, (448), 361 states have internal predecessors, (448), 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) [2025-03-08 22:26:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 492 transitions. [2025-03-08 22:26:20,255 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 492 transitions. Word has length 80 [2025-03-08 22:26:20,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:20,255 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 492 transitions. [2025-03-08 22:26:20,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-08 22:26:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2025-03-08 22:26:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-08 22:26:20,257 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:20,257 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:20,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 22:26:20,457 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 [2025-03-08 22:26:20,457 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:20,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:20,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1150610215, now seen corresponding path program 1 times [2025-03-08 22:26:20,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:20,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039067264] [2025-03-08 22:26:20,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:20,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:20,460 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) [2025-03-08 22:26:20,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 22:26:20,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 22:26:20,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 22:26:20,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:20,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:20,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 22:26:20,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 22:26:20,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:20,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:20,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039067264] [2025-03-08 22:26:20,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039067264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:20,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:20,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:26:20,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042135133] [2025-03-08 22:26:20,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:20,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:26:20,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:20,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:26:20,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:26:20,780 INFO L87 Difference]: Start difference. First operand 372 states and 492 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2025-03-08 22:26:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:20,866 INFO L93 Difference]: Finished difference Result 338 states and 436 transitions. [2025-03-08 22:26:20,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:26:20,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 80 [2025-03-08 22:26:20,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:20,870 INFO L225 Difference]: With dead ends: 338 [2025-03-08 22:26:20,870 INFO L226 Difference]: Without dead ends: 338 [2025-03-08 22:26:20,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 22:26:20,870 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 32 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 826 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 [2025-03-08 22:26:20,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 826 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 22:26:20,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-08 22:26:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2025-03-08 22:26:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.264516129032258) internal successors, (392), 327 states have internal predecessors, (392), 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) [2025-03-08 22:26:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 436 transitions. [2025-03-08 22:26:20,877 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 436 transitions. Word has length 80 [2025-03-08 22:26:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:20,878 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 436 transitions. [2025-03-08 22:26:20,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2025-03-08 22:26:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 436 transitions. [2025-03-08 22:26:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-08 22:26:20,879 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:20,879 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:20,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-08 22:26:21,080 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 [2025-03-08 22:26:21,080 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:21,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 21893934, now seen corresponding path program 1 times [2025-03-08 22:26:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:21,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753807497] [2025-03-08 22:26:21,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:21,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:21,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:21,083 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) [2025-03-08 22:26:21,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 22:26:21,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 22:26:21,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 22:26:21,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:21,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:21,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 22:26:21,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-08 22:26:21,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 22:26:21,402 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753807497] [2025-03-08 22:26:21,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753807497] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:26:21,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:26:21,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:26:21,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77418349] [2025-03-08 22:26:21,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:26:21,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:26:21,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:21,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:26:21,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:26:21,405 INFO L87 Difference]: Start difference. First operand 338 states and 436 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2025-03-08 22:26:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:21,437 INFO L93 Difference]: Finished difference Result 341 states and 440 transitions. [2025-03-08 22:26:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 22:26:21,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 80 [2025-03-08 22:26:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:21,440 INFO L225 Difference]: With dead ends: 341 [2025-03-08 22:26:21,440 INFO L226 Difference]: Without dead ends: 341 [2025-03-08 22:26:21,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:26:21,441 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 890 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 [2025-03-08 22:26:21,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 890 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 22:26:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-03-08 22:26:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2025-03-08 22:26:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 312 states have (on average 1.266025641025641) internal successors, (395), 330 states have internal predecessors, (395), 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) [2025-03-08 22:26:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 440 transitions. [2025-03-08 22:26:21,452 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 440 transitions. Word has length 80 [2025-03-08 22:26:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:21,453 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 440 transitions. [2025-03-08 22:26:21,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2025-03-08 22:26:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 440 transitions. [2025-03-08 22:26:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-08 22:26:21,454 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:21,454 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:21,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-08 22:26:21,656 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 [2025-03-08 22:26:21,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:21,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -422870894, now seen corresponding path program 1 times [2025-03-08 22:26:21,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:21,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23134064] [2025-03-08 22:26:21,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:26:21,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:21,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:21,660 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) [2025-03-08 22:26:21,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-08 22:26:21,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-08 22:26:21,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-08 22:26:21,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:26:21,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:26:21,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 22:26:21,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 22:26:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-08 22:26:21,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 22:26:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-08 22:26:22,039 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 22:26:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23134064] [2025-03-08 22:26:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23134064] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 22:26:22,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 22:26:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-08 22:26:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550722306] [2025-03-08 22:26:22,039 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 22:26:22,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 22:26:22,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 22:26:22,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 22:26:22,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-08 22:26:22,040 INFO L87 Difference]: Start difference. First operand 341 states and 440 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2025-03-08 22:26:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 22:26:22,148 INFO L93 Difference]: Finished difference Result 352 states and 457 transitions. [2025-03-08 22:26:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 22:26:22,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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 82 [2025-03-08 22:26:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 22:26:22,150 INFO L225 Difference]: With dead ends: 352 [2025-03-08 22:26:22,150 INFO L226 Difference]: Without dead ends: 352 [2025-03-08 22:26:22,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-08 22:26:22,151 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 22:26:22,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 890 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 22:26:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-08 22:26:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 350. [2025-03-08 22:26:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 320 states have (on average 1.278125) internal successors, (409), 338 states have internal predecessors, (409), 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) [2025-03-08 22:26:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 455 transitions. [2025-03-08 22:26:22,158 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 455 transitions. Word has length 82 [2025-03-08 22:26:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 22:26:22,158 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 455 transitions. [2025-03-08 22:26:22,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2025-03-08 22:26:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 455 transitions. [2025-03-08 22:26:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-08 22:26:22,159 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 22:26:22,159 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:26:22,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-08 22:26:22,359 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 [2025-03-08 22:26:22,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-08 22:26:22,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:26:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1486154062, now seen corresponding path program 2 times [2025-03-08 22:26:22,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 22:26:22,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494631291] [2025-03-08 22:26:22,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 22:26:22,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 22:26:22,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:26:22,362 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) [2025-03-08 22:26:22,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-08 22:26:22,555 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes.