./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:12:46,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:12:46,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:12:46,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:12:46,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:12:46,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:12:46,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:12:46,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:12:46,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:12:46,898 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:12:46,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:12:46,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:12:46,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:12:46,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:12:46,899 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:12:46,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:12:46,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:12:46,901 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:12:46,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:12:46,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:12:46,901 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2025-03-04 07:12:47,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:12:47,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:12:47,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:12:47,134 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:12:47,134 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:12:47,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-04 07:12:48,236 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5387df5ff/9e8b7b7702d3410b83cb4ffb3acccb48/FLAG2087a3a2a [2025-03-04 07:12:48,620 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:12:48,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-04 07:12:48,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5387df5ff/9e8b7b7702d3410b83cb4ffb3acccb48/FLAG2087a3a2a [2025-03-04 07:12:48,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5387df5ff/9e8b7b7702d3410b83cb4ffb3acccb48 [2025-03-04 07:12:48,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:12:48,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:12:48,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:12:48,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:12:48,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:12:48,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:12:48" (1/1) ... [2025-03-04 07:12:48,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:48, skipping insertion in model container [2025-03-04 07:12:48,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:12:48" (1/1) ... [2025-03-04 07:12:48,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:12:49,139 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,168 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,172 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,176 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,183 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,204 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,207 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,209 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,210 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,213 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,216 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,216 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,217 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,220 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,221 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,222 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,223 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,223 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,223 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,226 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:49,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:12:49,246 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-04 07:12:49,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@675bca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:49, skipping insertion in model container [2025-03-04 07:12:49,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:12:49,248 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:12:49,250 INFO L158 Benchmark]: Toolchain (without parser) took 435.24ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 83.0MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 07:12:49,250 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:12:49,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.65ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 83.0MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 07:12:49,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.65ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 83.0MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 747]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:12:50,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:12:51,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:12:51,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:12:51,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:12:51,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:12:51,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:12:51,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:12:51,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:12:51,069 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:12:51,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:12:51,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:12:51,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:12:51,070 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:12:51,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:12:51,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:12:51,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:12:51,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:12:51,072 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2025-03-04 07:12:51,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:12:51,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:12:51,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:12:51,336 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:12:51,337 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:12:51,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-04 07:12:52,552 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839e19691/5461ae97751147198ba40582178dc37b/FLAG77dad99a2 [2025-03-04 07:12:52,865 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:12:52,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-04 07:12:52,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839e19691/5461ae97751147198ba40582178dc37b/FLAG77dad99a2 [2025-03-04 07:12:53,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839e19691/5461ae97751147198ba40582178dc37b [2025-03-04 07:12:53,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:12:53,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:12:53,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:12:53,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:12:53,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:12:53,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c724b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53, skipping insertion in model container [2025-03-04 07:12:53,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:12:53,452 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,486 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,490 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,492 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,496 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,516 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,517 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,518 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,519 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,520 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,522 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,523 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,523 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,526 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,527 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,528 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,529 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,529 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,530 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,532 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:12:53,546 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:12:53,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:12:53,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,601 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,603 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,604 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,613 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,630 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,631 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,632 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,632 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,634 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,634 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,635 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,635 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,637 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,637 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,638 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,639 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,639 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,640 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,642 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:12:53,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:12:53,647 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:12:53,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:12:53,762 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:12:53,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53 WrapperNode [2025-03-04 07:12:53,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:12:53,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:12:53,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:12:53,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:12:53,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,829 INFO L138 Inliner]: procedures = 180, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1156 [2025-03-04 07:12:53,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:12:53,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:12:53,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:12:53,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:12:53,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,931 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 267, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-03-04 07:12:53,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:53,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:12:53,998 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:12:53,998 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:12:53,998 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:12:54,000 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (1/1) ... [2025-03-04 07:12:54,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:12:54,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:12:54,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 07:12:54,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 07:12:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:12:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:12:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:12:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 07:12:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 07:12:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 07:12:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:12:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:12:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:12:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:12:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:12:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:12:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:12:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:12:54,245 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:12:54,247 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:13:01,546 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-04 07:13:01,605 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2025-03-04 07:13:01,606 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:13:01,617 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:13:01,619 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:13:01,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:13:01 BoogieIcfgContainer [2025-03-04 07:13:01,619 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:13:01,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:13:01,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:13:01,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:13:01,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:12:53" (1/3) ... [2025-03-04 07:13:01,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a628fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:13:01, skipping insertion in model container [2025-03-04 07:13:01,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:12:53" (2/3) ... [2025-03-04 07:13:01,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a628fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:13:01, skipping insertion in model container [2025-03-04 07:13:01,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:13:01" (3/3) ... [2025-03-04 07:13:01,626 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2025-03-04 07:13:01,635 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:13:01,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test3-2.i that has 6 procedures, 243 locations, 1 initial locations, 41 loop locations, and 2 error locations. [2025-03-04 07:13:01,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:13:01,675 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;@18b13cab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:13:01,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:13:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 219 states have (on average 1.6621004566210045) internal successors, (364), 228 states have internal predecessors, (364), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 07:13:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-04 07:13:01,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:01,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:01,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:01,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2030207923, now seen corresponding path program 1 times [2025-03-04 07:13:01,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:01,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000878340] [2025-03-04 07:13:01,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:01,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:01,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:01,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:13:01,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 07:13:01,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 07:13:01,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:01,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:01,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:13:01,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:13:01,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:01,877 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:01,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000878340] [2025-03-04 07:13:01,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000878340] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:01,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:01,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:13:01,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607233060] [2025-03-04 07:13:01,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:01,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:13:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:01,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:13:01,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:13:01,901 INFO L87 Difference]: Start difference. First operand has 235 states, 219 states have (on average 1.6621004566210045) internal successors, (364), 228 states have internal predecessors, (364), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-03-04 07:13:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:01,927 INFO L93 Difference]: Finished difference Result 233 states and 309 transitions. [2025-03-04 07:13:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:13:01,928 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2025-03-04 07:13:01,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:01,935 INFO L225 Difference]: With dead ends: 233 [2025-03-04 07:13:01,935 INFO L226 Difference]: Without dead ends: 231 [2025-03-04 07:13:01,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:13:01,939 INFO L435 NwaCegarLoop]: 309 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, 309 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:01,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:13:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-03-04 07:13:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-03-04 07:13:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 217 states have (on average 1.3317972350230414) internal successors, (289), 224 states have internal predecessors, (289), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 07:13:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 307 transitions. [2025-03-04 07:13:01,985 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 307 transitions. Word has length 11 [2025-03-04 07:13:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:01,986 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 307 transitions. [2025-03-04 07:13:01,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-03-04 07:13:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 307 transitions. [2025-03-04 07:13:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 07:13:01,987 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:01,987 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:01,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:13:02,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:02,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:02,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:02,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1773689166, now seen corresponding path program 1 times [2025-03-04 07:13:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:02,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382225606] [2025-03-04 07:13:02,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:02,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:02,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:02,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:02,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 07:13:02,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 07:13:02,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 07:13:02,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:02,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:02,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:13:02,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:13:02,434 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:02,434 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:02,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382225606] [2025-03-04 07:13:02,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382225606] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:02,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:02,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:13:02,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798513030] [2025-03-04 07:13:02,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:02,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:13:02,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:02,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:13:02,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:13:02,435 INFO L87 Difference]: Start difference. First operand 231 states and 307 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:13:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:03,249 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2025-03-04 07:13:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:13:03,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-04 07:13:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:03,255 INFO L225 Difference]: With dead ends: 381 [2025-03-04 07:13:03,255 INFO L226 Difference]: Without dead ends: 381 [2025-03-04 07:13:03,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:13:03,256 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 182 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:03,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 559 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 07:13:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2025-03-04 07:13:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 350. [2025-03-04 07:13:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 331 states have (on average 1.3413897280966767) internal successors, (444), 343 states have internal predecessors, (444), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:13:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 472 transitions. [2025-03-04 07:13:03,275 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 472 transitions. Word has length 13 [2025-03-04 07:13:03,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:03,275 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 472 transitions. [2025-03-04 07:13:03,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:13:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 472 transitions. [2025-03-04 07:13:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 07:13:03,279 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:03,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:03,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 07:13:03,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:03,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:03,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1773659375, now seen corresponding path program 1 times [2025-03-04 07:13:03,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:03,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158790570] [2025-03-04 07:13:03,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:03,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:03,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:03,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:03,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 07:13:03,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 07:13:03,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 07:13:03,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:03,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:03,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:13:03,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:03,626 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:03,627 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:03,627 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:03,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:13:03,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:13:03,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:13:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:13:03,735 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:03,735 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:03,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158790570] [2025-03-04 07:13:03,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158790570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:03,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:03,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:03,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646698954] [2025-03-04 07:13:03,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:03,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:03,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:03,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:03,736 INFO L87 Difference]: Start difference. First operand 350 states and 472 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:13:04,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:04,134 INFO L93 Difference]: Finished difference Result 549 states and 743 transitions. [2025-03-04 07:13:04,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:13:04,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-04 07:13:04,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:04,136 INFO L225 Difference]: With dead ends: 549 [2025-03-04 07:13:04,136 INFO L226 Difference]: Without dead ends: 549 [2025-03-04 07:13:04,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:13:04,137 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 268 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:04,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 853 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:13:04,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2025-03-04 07:13:04,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 349. [2025-03-04 07:13:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 330 states have (on average 1.3393939393939394) internal successors, (442), 342 states have internal predecessors, (442), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:13:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 470 transitions. [2025-03-04 07:13:04,158 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 470 transitions. Word has length 13 [2025-03-04 07:13:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:04,159 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 470 transitions. [2025-03-04 07:13:04,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:13:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 470 transitions. [2025-03-04 07:13:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-04 07:13:04,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:04,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:04,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 07:13:04,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:04,361 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:04,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash -500022500, now seen corresponding path program 1 times [2025-03-04 07:13:04,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:04,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420276888] [2025-03-04 07:13:04,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:04,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:04,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:04,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 07:13:04,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 07:13:04,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 07:13:04,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:04,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:04,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:13:04,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:13:04,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:04,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:04,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420276888] [2025-03-04 07:13:04,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420276888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:04,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:04,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:13:04,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234512226] [2025-03-04 07:13:04,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:04,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:13:04,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:04,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:13:04,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:13:04,702 INFO L87 Difference]: Start difference. First operand 349 states and 470 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:04,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:04,840 INFO L93 Difference]: Finished difference Result 389 states and 510 transitions. [2025-03-04 07:13:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:13:04,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-03-04 07:13:04,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:04,844 INFO L225 Difference]: With dead ends: 389 [2025-03-04 07:13:04,844 INFO L226 Difference]: Without dead ends: 389 [2025-03-04 07:13:04,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:13:04,845 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:04,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 559 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:13:04,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-03-04 07:13:04,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2025-03-04 07:13:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 370 states have (on average 1.3027027027027027) internal successors, (482), 382 states have internal predecessors, (482), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:13:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 510 transitions. [2025-03-04 07:13:04,860 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 510 transitions. Word has length 82 [2025-03-04 07:13:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:04,860 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 510 transitions. [2025-03-04 07:13:04,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2025-03-04 07:13:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-04 07:13:04,863 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:04,863 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:04,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 07:13:05,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:05,068 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:05,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:05,068 INFO L85 PathProgramCache]: Analyzing trace with hash -16347173, now seen corresponding path program 1 times [2025-03-04 07:13:05,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:05,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748532780] [2025-03-04 07:13:05,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:05,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:05,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 07:13:05,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 07:13:05,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 07:13:05,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:05,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:05,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:13:05,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:13:05,594 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:05,594 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:05,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748532780] [2025-03-04 07:13:05,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748532780] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:05,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:05,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:05,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493062584] [2025-03-04 07:13:05,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:05,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:05,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:05,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:05,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:05,595 INFO L87 Difference]: Start difference. First operand 389 states and 510 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:09,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:13:13,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:13:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:16,055 INFO L93 Difference]: Finished difference Result 570 states and 760 transitions. [2025-03-04 07:13:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:13:16,055 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-03-04 07:13:16,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:16,057 INFO L225 Difference]: With dead ends: 570 [2025-03-04 07:13:16,057 INFO L226 Difference]: Without dead ends: 570 [2025-03-04 07:13:16,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:13:16,058 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 632 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:16,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 627 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 122 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2025-03-04 07:13:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2025-03-04 07:13:16,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 488. [2025-03-04 07:13:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 464 states have (on average 1.3125) internal successors, (609), 481 states have internal predecessors, (609), 20 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (18), 6 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:13:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 647 transitions. [2025-03-04 07:13:16,079 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 647 transitions. Word has length 82 [2025-03-04 07:13:16,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:16,079 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 647 transitions. [2025-03-04 07:13:16,079 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 647 transitions. [2025-03-04 07:13:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 07:13:16,080 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:16,080 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:16,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 07:13:16,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:16,280 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:16,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1028825523, now seen corresponding path program 1 times [2025-03-04 07:13:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:16,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628723868] [2025-03-04 07:13:16,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:16,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:16,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:16,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:16,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 07:13:16,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 07:13:16,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 07:13:16,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:16,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:16,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:13:16,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:13:16,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:16,612 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:16,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628723868] [2025-03-04 07:13:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628723868] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:16,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:16,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:16,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819790867] [2025-03-04 07:13:16,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:16,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:16,614 INFO L87 Difference]: Start difference. First operand 488 states and 647 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:16,779 INFO L93 Difference]: Finished difference Result 454 states and 591 transitions. [2025-03-04 07:13:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:13:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-03-04 07:13:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:16,781 INFO L225 Difference]: With dead ends: 454 [2025-03-04 07:13:16,781 INFO L226 Difference]: Without dead ends: 454 [2025-03-04 07:13:16,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:13:16,782 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 32 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:16,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 811 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:13:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-03-04 07:13:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2025-03-04 07:13:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 430 states have (on average 1.286046511627907) internal successors, (553), 447 states have internal predecessors, (553), 20 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (18), 6 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:13:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 591 transitions. [2025-03-04 07:13:16,790 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 591 transitions. Word has length 85 [2025-03-04 07:13:16,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:16,790 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 591 transitions. [2025-03-04 07:13:16,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 591 transitions. [2025-03-04 07:13:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 07:13:16,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:16,791 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:16,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 07:13:16,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:16,992 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:16,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1600070310, now seen corresponding path program 1 times [2025-03-04 07:13:16,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:16,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742194753] [2025-03-04 07:13:16,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:16,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:16,994 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:16,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 07:13:17,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 07:13:17,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 07:13:17,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:17,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:17,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:13:17,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 07:13:17,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:17,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:17,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742194753] [2025-03-04 07:13:17,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742194753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:17,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:17,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:17,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801861536] [2025-03-04 07:13:17,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:17,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:17,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:17,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:17,326 INFO L87 Difference]: Start difference. First operand 454 states and 591 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:17,362 INFO L93 Difference]: Finished difference Result 457 states and 595 transitions. [2025-03-04 07:13:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:13:17,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2025-03-04 07:13:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:17,365 INFO L225 Difference]: With dead ends: 457 [2025-03-04 07:13:17,365 INFO L226 Difference]: Without dead ends: 457 [2025-03-04 07:13:17,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:17,366 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 0 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:17,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 875 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:13:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-03-04 07:13:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2025-03-04 07:13:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 432 states have (on average 1.287037037037037) internal successors, (556), 450 states have internal predecessors, (556), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 6 states have call predecessors, (19), 18 states have call successors, (19) [2025-03-04 07:13:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 595 transitions. [2025-03-04 07:13:17,379 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 595 transitions. Word has length 85 [2025-03-04 07:13:17,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:17,379 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 595 transitions. [2025-03-04 07:13:17,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 595 transitions. [2025-03-04 07:13:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 07:13:17,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:17,380 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:13:17,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 07:13:17,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:17,584 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:17,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2138751746, now seen corresponding path program 1 times [2025-03-04 07:13:17,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:17,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744025605] [2025-03-04 07:13:17,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:17,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:17,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:17,587 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:17,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 07:13:17,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 07:13:17,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 07:13:17,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:17,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:17,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:13:17,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:17,941 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:17,942 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:17,942 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:17,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:13:18,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:13:18,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:13:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 07:13:18,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:18,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744025605] [2025-03-04 07:13:18,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744025605] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:18,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:18,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:18,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832101263] [2025-03-04 07:13:18,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:18,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:18,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:18,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:18,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:18,021 INFO L87 Difference]: Start difference. First operand 457 states and 595 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:18,412 INFO L93 Difference]: Finished difference Result 599 states and 780 transitions. [2025-03-04 07:13:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:13:18,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 87 [2025-03-04 07:13:18,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:18,414 INFO L225 Difference]: With dead ends: 599 [2025-03-04 07:13:18,414 INFO L226 Difference]: Without dead ends: 599 [2025-03-04 07:13:18,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:13:18,415 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 201 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:18,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 865 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 07:13:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-03-04 07:13:18,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 459. [2025-03-04 07:13:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 434 states have (on average 1.2857142857142858) internal successors, (558), 452 states have internal predecessors, (558), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 6 states have call predecessors, (19), 18 states have call successors, (19) [2025-03-04 07:13:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 597 transitions. [2025-03-04 07:13:18,425 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 597 transitions. Word has length 87 [2025-03-04 07:13:18,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:18,426 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 597 transitions. [2025-03-04 07:13:18,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 597 transitions. [2025-03-04 07:13:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 07:13:18,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:18,427 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:18,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 07:13:18,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:18,627 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:18,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:18,628 INFO L85 PathProgramCache]: Analyzing trace with hash -708299168, now seen corresponding path program 1 times [2025-03-04 07:13:18,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:18,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326968650] [2025-03-04 07:13:18,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:18,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:18,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:18,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:18,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 07:13:18,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 07:13:18,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 07:13:18,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:18,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:18,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:13:18,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 07:13:19,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:13:19,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326968650] [2025-03-04 07:13:19,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326968650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:13:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:13:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:13:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955613509] [2025-03-04 07:13:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:13:19,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:13:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:19,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:13:19,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:13:19,007 INFO L87 Difference]: Start difference. First operand 459 states and 597 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:19,093 INFO L93 Difference]: Finished difference Result 468 states and 582 transitions. [2025-03-04 07:13:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:13:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 125 [2025-03-04 07:13:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:19,097 INFO L225 Difference]: With dead ends: 468 [2025-03-04 07:13:19,097 INFO L226 Difference]: Without dead ends: 468 [2025-03-04 07:13:19,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:13:19,097 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 30 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 782 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 [2025-03-04 07:13:19,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 782 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:13:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2025-03-04 07:13:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2025-03-04 07:13:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 443 states have (on average 1.2257336343115124) internal successors, (543), 461 states have internal predecessors, (543), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 6 states have call predecessors, (19), 18 states have call successors, (19) [2025-03-04 07:13:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 582 transitions. [2025-03-04 07:13:19,107 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 582 transitions. Word has length 125 [2025-03-04 07:13:19,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:19,108 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 582 transitions. [2025-03-04 07:13:19,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:13:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 582 transitions. [2025-03-04 07:13:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 07:13:19,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:19,110 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:19,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 07:13:19,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:19,311 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:19,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:19,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1843814727, now seen corresponding path program 1 times [2025-03-04 07:13:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:19,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165944885] [2025-03-04 07:13:19,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:13:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:19,314 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:19,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 07:13:19,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 07:13:19,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 07:13:19,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:13:19,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:19,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:13:19,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 07:13:19,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:13:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 07:13:19,793 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:19,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165944885] [2025-03-04 07:13:19,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165944885] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:13:19,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:13:19,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:13:19,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445708594] [2025-03-04 07:13:19,793 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:13:19,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:13:19,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:19,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:13:19,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:13:19,794 INFO L87 Difference]: Start difference. First operand 468 states and 582 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:13:19,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:19,920 INFO L93 Difference]: Finished difference Result 479 states and 599 transitions. [2025-03-04 07:13:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:13:19,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 125 [2025-03-04 07:13:19,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:19,922 INFO L225 Difference]: With dead ends: 479 [2025-03-04 07:13:19,922 INFO L226 Difference]: Without dead ends: 479 [2025-03-04 07:13:19,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-04 07:13:19,923 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 5 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:19,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1396 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:13:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2025-03-04 07:13:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 477. [2025-03-04 07:13:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 451 states have (on average 1.2350332594235034) internal successors, (557), 469 states have internal predecessors, (557), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 6 states have call predecessors, (20), 18 states have call successors, (20) [2025-03-04 07:13:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 597 transitions. [2025-03-04 07:13:19,931 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 597 transitions. Word has length 125 [2025-03-04 07:13:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:19,931 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 597 transitions. [2025-03-04 07:13:19,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:13:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 597 transitions. [2025-03-04 07:13:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 07:13:19,932 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:19,933 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:19,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 07:13:20,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:20,133 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:20,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:20,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1864556413, now seen corresponding path program 2 times [2025-03-04 07:13:20,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:20,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839573220] [2025-03-04 07:13:20,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:13:20,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:20,140 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:20,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 07:13:20,367 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 07:13:20,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 07:13:20,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 07:13:20,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:20,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:13:20,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-04 07:13:20,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:13:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 07:13:20,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:20,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839573220] [2025-03-04 07:13:20,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839573220] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:13:20,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:13:20,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 07:13:20,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113737336] [2025-03-04 07:13:20,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:13:20,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 07:13:20,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:20,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 07:13:20,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 07:13:20,907 INFO L87 Difference]: Start difference. First operand 477 states and 597 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:13:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:13:21,204 INFO L93 Difference]: Finished difference Result 485 states and 607 transitions. [2025-03-04 07:13:21,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 07:13:21,205 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 129 [2025-03-04 07:13:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:13:21,207 INFO L225 Difference]: With dead ends: 485 [2025-03-04 07:13:21,207 INFO L226 Difference]: Without dead ends: 483 [2025-03-04 07:13:21,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-03-04 07:13:21,207 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 6 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:13:21,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1405 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:13:21,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-04 07:13:21,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-04 07:13:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 455 states have (on average 1.2373626373626374) internal successors, (563), 473 states have internal predecessors, (563), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 18 states have call successors, (19) [2025-03-04 07:13:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 602 transitions. [2025-03-04 07:13:21,217 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 602 transitions. Word has length 129 [2025-03-04 07:13:21,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:13:21,217 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 602 transitions. [2025-03-04 07:13:21,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:13:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 602 transitions. [2025-03-04 07:13:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 07:13:21,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:13:21,218 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:13:21,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 07:13:21,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:21,423 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:13:21,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:13:21,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1867198403, now seen corresponding path program 3 times [2025-03-04 07:13:21,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:13:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143165457] [2025-03-04 07:13:21,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 07:13:21,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:13:21,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:13:21,426 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:13:21,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 07:13:21,671 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 133 statements into 6 equivalence classes. [2025-03-04 07:13:21,858 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 116 of 133 statements. [2025-03-04 07:13:21,858 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 07:13:21,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:13:21,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 07:13:21,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:13:21,880 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:21,880 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:21,881 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:13:21,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:13:23,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:13:23,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 189 treesize of output 87 [2025-03-04 07:13:23,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:13:23,632 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 118 treesize of output 74 [2025-03-04 07:13:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-04 07:13:23,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:13:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-04 07:13:24,212 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:13:24,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143165457] [2025-03-04 07:13:24,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143165457] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:13:24,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:13:24,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-03-04 07:13:24,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645653126] [2025-03-04 07:13:24,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:13:24,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 07:13:24,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:13:24,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 07:13:24,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-04 07:13:24,213 INFO L87 Difference]: Start difference. First operand 481 states and 602 transitions. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:13:28,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:32,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:36,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:41,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:45,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:49,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:53,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:13:57,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:01,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:05,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:09,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:13,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:17,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:21,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:26,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:30,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:14:30,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:30,157 INFO L93 Difference]: Finished difference Result 1194 states and 1489 transitions. [2025-03-04 07:14:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 07:14:30,158 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 133 [2025-03-04 07:14:30,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:30,162 INFO L225 Difference]: With dead ends: 1194 [2025-03-04 07:14:30,162 INFO L226 Difference]: Without dead ends: 1194 [2025-03-04 07:14:30,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 251 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-03-04 07:14:30,162 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 779 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 19 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 3058 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.7s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:30,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 3058 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 233 Invalid, 16 Unknown, 0 Unchecked, 65.7s Time] [2025-03-04 07:14:30,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2025-03-04 07:14:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 689. [2025-03-04 07:14:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 659 states have (on average 1.2169954476479514) internal successors, (802), 677 states have internal predecessors, (802), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 9 states have call predecessors, (22), 21 states have call successors, (22) [2025-03-04 07:14:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 847 transitions. [2025-03-04 07:14:30,175 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 847 transitions. Word has length 133 [2025-03-04 07:14:30,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:30,175 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 847 transitions. [2025-03-04 07:14:30,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:14:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 847 transitions. [2025-03-04 07:14:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-03-04 07:14:30,177 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:30,178 INFO L218 NwaCegarLoop]: trace histogram [10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2025-03-04 07:14:30,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 07:14:30,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:30,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:30,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:30,379 INFO L85 PathProgramCache]: Analyzing trace with hash -563034209, now seen corresponding path program 1 times [2025-03-04 07:14:30,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:30,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568430330] [2025-03-04 07:14:30,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:30,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:30,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:30,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process