./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.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 d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:25:56,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:25:56,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-17 11:25:56,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:25:56,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:25:56,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:25:56,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:25:56,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:25:56,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:25:56,655 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:25:56,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:25:56,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:25:56,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:25:56,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:25:56,656 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:25:56,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:25:56,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:25:56,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:25:56,659 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:25:56,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:25:56,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:25:56,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:25:56,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:25:56,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:25:56,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:25:56,660 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 -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2025-03-17 11:25:56,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:25:56,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:25:56,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:25:56,896 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:25:56,897 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:25:56,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-17 11:25:57,985 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e6ffcb/50fb249dac27442790ed818ded307815/FLAG8e49b3ec1 [2025-03-17 11:25:58,272 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:25:58,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-17 11:25:58,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e6ffcb/50fb249dac27442790ed818ded307815/FLAG8e49b3ec1 [2025-03-17 11:25:58,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e6ffcb/50fb249dac27442790ed818ded307815 [2025-03-17 11:25:58,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:25:58,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:25:58,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:25:58,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:25:58,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:25:58,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:25:58" (1/1) ... [2025-03-17 11:25:58,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b71c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:25:58, skipping insertion in model container [2025-03-17 11:25:58,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:25:58" (1/1) ... [2025-03-17 11:25:58,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:25:58,951 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:58,975 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:58,978 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:58,980 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:58,985 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,010 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,011 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,014 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,015 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,015 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,015 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,018 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,019 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,021 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,022 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,022 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,022 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,027 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:25:59,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:25:59,046 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-17 11:25:59,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65a14d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:25:59, skipping insertion in model container [2025-03-17 11:25:59,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:25:59,047 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-17 11:25:59,048 INFO L158 Benchmark]: Toolchain (without parser) took 499.65ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 81.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:25:59,049 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:25:59,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.98ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 81.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:25:59,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.98ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 81.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.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 d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:26:00,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:26:00,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-17 11:26:00,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:26:00,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:26:00,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:26:00,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:26:00,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:26:00,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:26:00,766 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:26:00,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:26:00,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:26:00,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:26:00,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:26:00,767 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:26:00,768 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:26:00,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:26:00,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:26:00,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:26:00,769 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 -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2025-03-17 11:26:00,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:26:00,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:26:00,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:26:00,993 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:26:00,993 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:26:00,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-17 11:26:02,145 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb0b87c2/672699dffb624598a5e63479e5eaf650/FLAG8d1913fd8 [2025-03-17 11:26:02,452 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:26:02,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-17 11:26:02,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb0b87c2/672699dffb624598a5e63479e5eaf650/FLAG8d1913fd8 [2025-03-17 11:26:02,473 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb0b87c2/672699dffb624598a5e63479e5eaf650 [2025-03-17 11:26:02,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:26:02,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:26:02,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:02,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:26:02,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:26:02,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:02" (1/1) ... [2025-03-17 11:26:02,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a98188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:02, skipping insertion in model container [2025-03-17 11:26:02,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:02" (1/1) ... [2025-03-17 11:26:02,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:26:02,800 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,826 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,828 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,830 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,835 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,872 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,872 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,874 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,874 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,879 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,880 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,881 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,886 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,892 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,893 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,895 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,895 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,896 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,896 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,903 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:02,920 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-17 11:26:02,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:26:02,963 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,978 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,981 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,982 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:02,987 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,004 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,007 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,010 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,010 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,011 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,012 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,015 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,017 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,018 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,021 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,022 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,022 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,023 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:03,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:03,035 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:26:03,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:03,164 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:26:03,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03 WrapperNode [2025-03-17 11:26:03,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:03,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:26:03,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:26:03,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:26:03,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,233 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1181 [2025-03-17 11:26:03,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:26:03,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:26:03,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:26:03,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:26:03,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,322 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2025-03-17 11:26:03,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:26:03,381 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:26:03,382 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:26:03,382 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:26:03,383 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (1/1) ... [2025-03-17 11:26:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:26:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:03,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:26:03,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 11:26:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-17 11:26:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-17 11:26:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-17 11:26:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 11:26:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:26:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-17 11:26:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-17 11:26:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 11:26:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 11:26:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 11:26:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 11:26:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-17 11:26:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-17 11:26:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:26:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:26:03,631 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:26:03,634 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:26:03,724 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-17 11:26:10,382 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-17 11:26:10,382 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-17 11:26:10,382 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 11:26:10,428 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2025-03-17 11:26:10,428 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:26:10,440 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:26:10,440 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:26:10,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:26:10 BoogieIcfgContainer [2025-03-17 11:26:10,441 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:26:10,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:26:10,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:26:10,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:26:10,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:26:02" (1/3) ... [2025-03-17 11:26:10,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f046d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:26:10, skipping insertion in model container [2025-03-17 11:26:10,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:03" (2/3) ... [2025-03-17 11:26:10,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f046d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:26:10, skipping insertion in model container [2025-03-17 11:26:10,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:26:10" (3/3) ... [2025-03-17 11:26:10,450 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-2.i [2025-03-17 11:26:10,460 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:26:10,461 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test6-2.i that has 6 procedures, 259 locations, 1 initial locations, 39 loop locations, and 2 error locations. [2025-03-17 11:26:10,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:26:10,504 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;@7eba0c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:26:10,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 11:26:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 232 states have (on average 1.6077586206896552) internal successors, (373), 237 states have internal predecessors, (373), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:26:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 11:26:10,516 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:10,516 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:10,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:10,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:10,521 INFO L85 PathProgramCache]: Analyzing trace with hash 595575395, now seen corresponding path program 1 times [2025-03-17 11:26:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:10,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722102691] [2025-03-17 11:26:10,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:10,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:10,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:26:10,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 11:26:10,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 11:26:10,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:10,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:10,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 11:26:10,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:10,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:10,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722102691] [2025-03-17 11:26:10,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722102691] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:10,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:10,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:26:10,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069566932] [2025-03-17 11:26:10,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:10,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:26:10,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:10,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:26:10,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:26:10,765 INFO L87 Difference]: Start difference. First operand has 259 states, 232 states have (on average 1.6077586206896552) internal successors, (373), 237 states have internal predecessors, (373), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:10,794 INFO L93 Difference]: Finished difference Result 254 states and 332 transitions. [2025-03-17 11:26:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:26:10,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 11:26:10,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:10,804 INFO L225 Difference]: With dead ends: 254 [2025-03-17 11:26:10,805 INFO L226 Difference]: Without dead ends: 252 [2025-03-17 11:26:10,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:26:10,809 INFO L435 NwaCegarLoop]: 332 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, 332 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:10,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:26:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-17 11:26:10,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2025-03-17 11:26:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 227 states have (on average 1.303964757709251) internal successors, (296), 232 states have internal predecessors, (296), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 11:26:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 330 transitions. [2025-03-17 11:26:10,856 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 330 transitions. Word has length 9 [2025-03-17 11:26:10,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:10,860 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 330 transitions. [2025-03-17 11:26:10,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 330 transitions. [2025-03-17 11:26:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 11:26:10,860 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:10,860 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:10,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 11:26:11,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:11,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:11,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash -943721344, now seen corresponding path program 1 times [2025-03-17 11:26:11,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:11,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043260331] [2025-03-17 11:26:11,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:11,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:11,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:11,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:11,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:26:11,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 11:26:11,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 11:26:11,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:11,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:11,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:26:11,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:11,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:11,298 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043260331] [2025-03-17 11:26:11,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043260331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:11,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:11,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:26:11,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862669754] [2025-03-17 11:26:11,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:11,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:11,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:11,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:11,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:11,300 INFO L87 Difference]: Start difference. First operand 252 states and 330 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:14,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 11:26:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:15,616 INFO L93 Difference]: Finished difference Result 401 states and 528 transitions. [2025-03-17 11:26:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 11:26:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:15,619 INFO L225 Difference]: With dead ends: 401 [2025-03-17 11:26:15,619 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 11:26:15,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:15,619 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 179 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:15,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 941 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2025-03-17 11:26:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 11:26:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 366. [2025-03-17 11:26:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 338 states have (on average 1.3076923076923077) internal successors, (442), 343 states have internal predecessors, (442), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:26:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 482 transitions. [2025-03-17 11:26:15,639 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 482 transitions. Word has length 11 [2025-03-17 11:26:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:15,639 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 482 transitions. [2025-03-17 11:26:15,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 482 transitions. [2025-03-17 11:26:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 11:26:15,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:15,640 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:15,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 11:26:15,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:15,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:15,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1664402235, now seen corresponding path program 1 times [2025-03-17 11:26:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:15,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [922289257] [2025-03-17 11:26:15,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:15,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:15,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:15,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:15,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:26:15,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 11:26:15,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 11:26:15,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:15,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:15,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 11:26:15,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:15,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:15,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:16,000 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:16,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:26:16,057 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:26:16,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:26:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:16,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:16,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:16,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922289257] [2025-03-17 11:26:16,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922289257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:16,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:16,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:26:16,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514236358] [2025-03-17 11:26:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:16,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:16,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:16,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:16,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:16,072 INFO L87 Difference]: Start difference. First operand 366 states and 482 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:16,630 INFO L93 Difference]: Finished difference Result 574 states and 763 transitions. [2025-03-17 11:26:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-17 11:26:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:16,632 INFO L225 Difference]: With dead ends: 574 [2025-03-17 11:26:16,633 INFO L226 Difference]: Without dead ends: 574 [2025-03-17 11:26:16,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:16,635 INFO L435 NwaCegarLoop]: 361 mSDtfsCounter, 266 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:16,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1016 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 11:26:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-03-17 11:26:16,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 365. [2025-03-17 11:26:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 337 states have (on average 1.3056379821958457) internal successors, (440), 342 states have internal predecessors, (440), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:26:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 480 transitions. [2025-03-17 11:26:16,647 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 480 transitions. Word has length 14 [2025-03-17 11:26:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:16,648 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 480 transitions. [2025-03-17 11:26:16,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 480 transitions. [2025-03-17 11:26:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:26:16,648 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:16,649 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] [2025-03-17 11:26:16,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 11:26:16,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:16,849 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:16,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1582896138, now seen corresponding path program 1 times [2025-03-17 11:26:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711733904] [2025-03-17 11:26:16,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:16,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:16,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:16,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:16,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:26:16,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:26:17,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:26:17,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:17,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:17,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:26:17,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:17,070 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:17,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:17,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711733904] [2025-03-17 11:26:17,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711733904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:17,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:17,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:17,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996416069] [2025-03-17 11:26:17,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:17,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:17,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:17,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:17,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:17,071 INFO L87 Difference]: Start difference. First operand 365 states and 480 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:17,174 INFO L93 Difference]: Finished difference Result 371 states and 470 transitions. [2025-03-17 11:26:17,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 11:26:17,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 47 [2025-03-17 11:26:17,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:17,176 INFO L225 Difference]: With dead ends: 371 [2025-03-17 11:26:17,176 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 11:26:17,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:17,177 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 30 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:17,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 884 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 11:26:17,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-17 11:26:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 343 states have (on average 1.2536443148688046) internal successors, (430), 348 states have internal predecessors, (430), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:26:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 470 transitions. [2025-03-17 11:26:17,185 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 470 transitions. Word has length 47 [2025-03-17 11:26:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:17,185 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 470 transitions. [2025-03-17 11:26:17,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 470 transitions. [2025-03-17 11:26:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:26:17,186 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:17,186 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] [2025-03-17 11:26:17,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:26:17,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:17,387 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:17,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash -325979357, now seen corresponding path program 1 times [2025-03-17 11:26:17,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:17,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429233056] [2025-03-17 11:26:17,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:17,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:17,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 11:26:17,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:26:17,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:26:17,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:17,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:17,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 11:26:17,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:17,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:17,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:17,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429233056] [2025-03-17 11:26:17,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429233056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:17,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:17,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 11:26:17,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972550808] [2025-03-17 11:26:17,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:17,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:26:17,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:17,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:26:17,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:26:17,746 INFO L87 Difference]: Start difference. First operand 371 states and 470 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:17,856 INFO L93 Difference]: Finished difference Result 380 states and 480 transitions. [2025-03-17 11:26:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 11:26:17,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2025-03-17 11:26:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:17,858 INFO L225 Difference]: With dead ends: 380 [2025-03-17 11:26:17,858 INFO L226 Difference]: Without dead ends: 380 [2025-03-17 11:26:17,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 11:26:17,859 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 8 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:17,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1907 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:17,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-17 11:26:17,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 379. [2025-03-17 11:26:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 348 states have (on average 1.25) internal successors, (435), 354 states have internal predecessors, (435), 24 states have call successors, (24), 7 states have call predecessors, (24), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:26:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 479 transitions. [2025-03-17 11:26:17,871 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 479 transitions. Word has length 47 [2025-03-17 11:26:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:17,871 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 479 transitions. [2025-03-17 11:26:17,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 479 transitions. [2025-03-17 11:26:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 11:26:17,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:17,872 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] [2025-03-17 11:26:17,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 11:26:18,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:18,073 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:18,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:18,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1640233494, now seen corresponding path program 1 times [2025-03-17 11:26:18,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:18,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274541886] [2025-03-17 11:26:18,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:18,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:18,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:18,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:18,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 11:26:18,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 11:26:18,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 11:26:18,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:18,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:18,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:26:18,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:18,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:18,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:18,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274541886] [2025-03-17 11:26:18,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274541886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:18,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:18,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:18,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566439525] [2025-03-17 11:26:18,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:18,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:18,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:18,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:18,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:18,376 INFO L87 Difference]: Start difference. First operand 379 states and 479 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:26:18,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:18,599 INFO L93 Difference]: Finished difference Result 1011 states and 1299 transitions. [2025-03-17 11:26:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:18,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2025-03-17 11:26:18,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:18,603 INFO L225 Difference]: With dead ends: 1011 [2025-03-17 11:26:18,603 INFO L226 Difference]: Without dead ends: 1011 [2025-03-17 11:26:18,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:18,604 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 583 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:18,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1624 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 11:26:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-03-17 11:26:18,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 929. [2025-03-17 11:26:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 867 states have (on average 1.2675893886966552) internal successors, (1099), 877 states have internal predecessors, (1099), 48 states have call successors, (48), 13 states have call predecessors, (48), 12 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2025-03-17 11:26:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1194 transitions. [2025-03-17 11:26:18,623 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1194 transitions. Word has length 66 [2025-03-17 11:26:18,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:18,623 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1194 transitions. [2025-03-17 11:26:18,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:26:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1194 transitions. [2025-03-17 11:26:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 11:26:18,628 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:18,628 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:18,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 11:26:18,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:18,829 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:18,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:18,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1424865488, now seen corresponding path program 1 times [2025-03-17 11:26:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:18,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823239218] [2025-03-17 11:26:18,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:18,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:18,832 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:18,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 11:26:19,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 11:26:19,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 11:26:19,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:19,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:19,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:26:19,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 11:26:19,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:19,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:19,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823239218] [2025-03-17 11:26:19,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823239218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:19,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:19,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:19,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898612726] [2025-03-17 11:26:19,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:19,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:19,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:19,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:19,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:19,188 INFO L87 Difference]: Start difference. First operand 929 states and 1194 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:26:19,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:19,223 INFO L93 Difference]: Finished difference Result 938 states and 1206 transitions. [2025-03-17 11:26:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:19,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2025-03-17 11:26:19,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:19,228 INFO L225 Difference]: With dead ends: 938 [2025-03-17 11:26:19,229 INFO L226 Difference]: Without dead ends: 938 [2025-03-17 11:26:19,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:19,230 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 0 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:19,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 941 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:26:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-03-17 11:26:19,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2025-03-17 11:26:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 873 states have (on average 1.2691867124856815) internal successors, (1108), 886 states have internal predecessors, (1108), 48 states have call successors, (48), 13 states have call predecessors, (48), 15 states have return successors, (50), 38 states have call predecessors, (50), 44 states have call successors, (50) [2025-03-17 11:26:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1206 transitions. [2025-03-17 11:26:19,249 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1206 transitions. Word has length 91 [2025-03-17 11:26:19,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:19,249 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1206 transitions. [2025-03-17 11:26:19,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:26:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1206 transitions. [2025-03-17 11:26:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 11:26:19,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:19,250 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:19,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 11:26:19,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:19,451 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:19,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:19,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1643528482, now seen corresponding path program 1 times [2025-03-17 11:26:19,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:19,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128934424] [2025-03-17 11:26:19,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:19,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:19,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:19,453 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:19,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 11:26:19,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 11:26:19,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 11:26:19,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:19,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:19,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 11:26:19,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:26:20,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:26:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 11:26:20,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:20,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128934424] [2025-03-17 11:26:20,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128934424] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:26:20,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:26:20,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-17 11:26:20,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463938526] [2025-03-17 11:26:20,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:26:20,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 11:26:20,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:20,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 11:26:20,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-17 11:26:20,212 INFO L87 Difference]: Start difference. First operand 938 states and 1206 transitions. Second operand has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:26:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:22,041 INFO L93 Difference]: Finished difference Result 3696 states and 4788 transitions. [2025-03-17 11:26:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-17 11:26:22,041 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 93 [2025-03-17 11:26:22,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:22,053 INFO L225 Difference]: With dead ends: 3696 [2025-03-17 11:26:22,053 INFO L226 Difference]: Without dead ends: 3696 [2025-03-17 11:26:22,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-17 11:26:22,054 INFO L435 NwaCegarLoop]: 1121 mSDtfsCounter, 4947 mSDsluCounter, 7240 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4978 SdHoareTripleChecker+Valid, 8361 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:22,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4978 Valid, 8361 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 11:26:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2025-03-17 11:26:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2745. [2025-03-17 11:26:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2577 states have (on average 1.2774544043461389) internal successors, (3292), 2607 states have internal predecessors, (3292), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2025-03-17 11:26:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 3557 transitions. [2025-03-17 11:26:22,109 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 3557 transitions. Word has length 93 [2025-03-17 11:26:22,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:22,109 INFO L471 AbstractCegarLoop]: Abstraction has 2745 states and 3557 transitions. [2025-03-17 11:26:22,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:26:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3557 transitions. [2025-03-17 11:26:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 11:26:22,111 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:22,111 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:22,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 11:26:22,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:22,315 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:22,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1465997473, now seen corresponding path program 1 times [2025-03-17 11:26:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:22,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115860208] [2025-03-17 11:26:22,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:22,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:22,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:22,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:22,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 11:26:22,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 11:26:22,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 11:26:22,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:22,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:22,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 11:26:22,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:22,699 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:22,700 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:22,700 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:22,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:26:22,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:26:22,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:26:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 11:26:22,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:22,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:22,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115860208] [2025-03-17 11:26:22,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115860208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:22,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:22,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:22,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138948613] [2025-03-17 11:26:22,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:22,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:22,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:22,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:22,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:22,751 INFO L87 Difference]: Start difference. First operand 2745 states and 3557 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:26:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:23,092 INFO L93 Difference]: Finished difference Result 3720 states and 4858 transitions. [2025-03-17 11:26:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:23,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 101 [2025-03-17 11:26:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:23,102 INFO L225 Difference]: With dead ends: 3720 [2025-03-17 11:26:23,102 INFO L226 Difference]: Without dead ends: 3720 [2025-03-17 11:26:23,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:23,103 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 209 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:23,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 883 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 11:26:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2025-03-17 11:26:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 2761. [2025-03-17 11:26:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2593 states have (on average 1.275742383339761) internal successors, (3308), 2623 states have internal predecessors, (3308), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2025-03-17 11:26:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3573 transitions. [2025-03-17 11:26:23,158 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3573 transitions. Word has length 101 [2025-03-17 11:26:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:23,158 INFO L471 AbstractCegarLoop]: Abstraction has 2761 states and 3573 transitions. [2025-03-17 11:26:23,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:26:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3573 transitions. [2025-03-17 11:26:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 11:26:23,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:23,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:23,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 11:26:23,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:23,361 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:23,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:23,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1965980530, now seen corresponding path program 1 times [2025-03-17 11:26:23,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:23,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968889897] [2025-03-17 11:26:23,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:23,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:23,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:23,364 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:23,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 11:26:23,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 11:26:23,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 11:26:23,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:23,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:23,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 11:26:23,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 11:26:23,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:26:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-17 11:26:23,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:23,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968889897] [2025-03-17 11:26:23,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968889897] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:26:23,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:26:23,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 11:26:23,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800916846] [2025-03-17 11:26:23,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:26:23,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:26:23,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:23,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:26:23,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:26:23,905 INFO L87 Difference]: Start difference. First operand 2761 states and 3573 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:26:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:24,012 INFO L93 Difference]: Finished difference Result 2827 states and 3675 transitions. [2025-03-17 11:26:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:26:24,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2025-03-17 11:26:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:24,021 INFO L225 Difference]: With dead ends: 2827 [2025-03-17 11:26:24,022 INFO L226 Difference]: Without dead ends: 2827 [2025-03-17 11:26:24,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 11:26:24,022 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 4 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:24,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 940 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2025-03-17 11:26:24,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2815. [2025-03-17 11:26:24,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2641 states have (on average 1.284361984096933) internal successors, (3392), 2671 states have internal predecessors, (3392), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2025-03-17 11:26:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3663 transitions. [2025-03-17 11:26:24,064 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3663 transitions. Word has length 107 [2025-03-17 11:26:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:24,064 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3663 transitions. [2025-03-17 11:26:24,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:26:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3663 transitions. [2025-03-17 11:26:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 11:26:24,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:24,066 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:24,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 11:26:24,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,267 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:24,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash 909901564, now seen corresponding path program 2 times [2025-03-17 11:26:24,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:24,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931688982] [2025-03-17 11:26:24,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:26:24,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:24,270 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:24,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 11:26:24,508 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes.