./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:42:22,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:42:22,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-17 11:42:22,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:42:22,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:42:22,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:42:22,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:42:22,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:42:22,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:42:22,170 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:42:22,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:42:22,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:42:22,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:42:22,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:42:22,171 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:42:22,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:42:22,172 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:42:22,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:42:22,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:42:22,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:42:22,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:42:22,175 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 -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2025-03-17 11:42:22,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:42:22,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:42:22,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:42:22,407 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:42:22,408 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:42:22,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-17 11:42:23,528 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841d4a4ed/c6c8e51b54a24802a997a85171f6551c/FLAGcc53409af [2025-03-17 11:42:23,856 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:42:23,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-17 11:42:23,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841d4a4ed/c6c8e51b54a24802a997a85171f6551c/FLAGcc53409af [2025-03-17 11:42:23,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841d4a4ed/c6c8e51b54a24802a997a85171f6551c [2025-03-17 11:42:23,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:42:23,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:42:23,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:42:23,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:42:23,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:42:23,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:42:23" (1/1) ... [2025-03-17 11:42:23,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e265815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:23, skipping insertion in model container [2025-03-17 11:42:23,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:42:23" (1/1) ... [2025-03-17 11:42:23,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:42:24,286 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,313 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,314 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,319 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,326 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,353 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,353 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,355 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,355 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,357 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,358 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,359 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,359 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,362 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:24,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:42:24,387 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-17 11:42:24,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39e69c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:24, skipping insertion in model container [2025-03-17 11:42:24,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:42:24,388 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-17 11:42:24,390 INFO L158 Benchmark]: Toolchain (without parser) took 494.51ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 101.4MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:42:24,391 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:42:24,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.96ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 101.4MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:42:24,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.96ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 101.4MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:42:26,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:42:26,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-17 11:42:26,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:42:26,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:42:26,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:42:26,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:42:26,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:42:26,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:42:26,170 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:42:26,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:42:26,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:42:26,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:42:26,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:42:26,171 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:42:26,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:42:26,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:42:26,171 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 11:42:26,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:42:26,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:42:26,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:42:26,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:42:26,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:42:26,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:42:26,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:42:26,175 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 -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2025-03-17 11:42:26,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:42:26,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:42:26,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:42:26,420 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:42:26,420 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:42:26,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-17 11:42:27,556 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d1fe74f/d1559dc7296b4ca0a7ff34a74e5c337e/FLAG68d0f8936 [2025-03-17 11:42:27,884 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:42:27,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-17 11:42:27,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d1fe74f/d1559dc7296b4ca0a7ff34a74e5c337e/FLAG68d0f8936 [2025-03-17 11:42:28,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d1fe74f/d1559dc7296b4ca0a7ff34a74e5c337e [2025-03-17 11:42:28,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:42:28,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:42:28,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:42:28,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:42:28,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:42:28,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f487b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28, skipping insertion in model container [2025-03-17 11:42:28,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:42:28,492 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,518 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,520 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,522 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,529 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,556 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,556 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,558 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,558 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,561 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,562 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,562 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,563 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,566 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:42:28,585 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-17 11:42:28,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:42:28,651 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,667 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,668 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,670 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,672 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,694 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,694 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,696 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,696 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,697 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,698 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,698 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,698 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,705 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:42:28,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:42:28,710 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:42:28,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:42:28,840 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:42:28,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28 WrapperNode [2025-03-17 11:42:28,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:42:28,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:42:28,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:42:28,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:42:28,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,907 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1026 [2025-03-17 11:42:28,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:42:28,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:42:28,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:42:28,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:42:28,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,985 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2025-03-17 11:42:28,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:28,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:42:29,036 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:42:29,036 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:42:29,036 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:42:29,037 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (1/1) ... [2025-03-17 11:42:29,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:42:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:29,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:42:29,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:42:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 11:42:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-17 11:42:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-17 11:42:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-17 11:42:29,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 11:42:29,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-17 11:42:29,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 11:42:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 11:42:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-17 11:42:29,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-17 11:42:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:42:29,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:42:29,278 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:42:29,280 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:42:29,353 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-17 11:42:33,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-17 11:42:33,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-17 11:42:33,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 11:42:33,114 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2025-03-17 11:42:33,114 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:42:33,126 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:42:33,128 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:42:33,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:42:33 BoogieIcfgContainer [2025-03-17 11:42:33,128 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:42:33,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:42:33,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:42:33,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:42:33,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:42:28" (1/3) ... [2025-03-17 11:42:33,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50302c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:42:33, skipping insertion in model container [2025-03-17 11:42:33,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:42:28" (2/3) ... [2025-03-17 11:42:33,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50302c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:42:33, skipping insertion in model container [2025-03-17 11:42:33,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:42:33" (3/3) ... [2025-03-17 11:42:33,137 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-1.i [2025-03-17 11:42:33,147 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:42:33,148 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test6-1.i that has 6 procedures, 226 locations, 1 initial locations, 34 loop locations, and 2 error locations. [2025-03-17 11:42:33,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:42:33,193 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;@37320fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:42:33,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 11:42:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 201 states have (on average 1.6069651741293531) internal successors, (323), 206 states have internal predecessors, (323), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:42:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 11:42:33,203 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:33,204 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:33,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:33,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash -781790293, now seen corresponding path program 1 times [2025-03-17 11:42:33,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:33,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754311676] [2025-03-17 11:42:33,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:33,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:33,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:33,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:42:33,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 11:42:33,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 11:42:33,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:33,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:33,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 11:42:33,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:33,403 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:33,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754311676] [2025-03-17 11:42:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754311676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:33,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:42:33,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687519474] [2025-03-17 11:42:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:33,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:42:33,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:33,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:42:33,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:42:33,425 INFO L87 Difference]: Start difference. First operand has 226 states, 201 states have (on average 1.6069651741293531) internal successors, (323), 206 states have internal predecessors, (323), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:33,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:33,443 INFO L93 Difference]: Finished difference Result 221 states and 286 transitions. [2025-03-17 11:42:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:42:33,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 11:42:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:33,449 INFO L225 Difference]: With dead ends: 221 [2025-03-17 11:42:33,450 INFO L226 Difference]: Without dead ends: 219 [2025-03-17 11:42:33,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:42:33,453 INFO L435 NwaCegarLoop]: 286 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, 286 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:33,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:42:33,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-03-17 11:42:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2025-03-17 11:42:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 196 states have (on average 1.2959183673469388) internal successors, (254), 201 states have internal predecessors, (254), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 11:42:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 284 transitions. [2025-03-17 11:42:33,497 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 284 transitions. Word has length 9 [2025-03-17 11:42:33,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:33,497 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 284 transitions. [2025-03-17 11:42:33,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 284 transitions. [2025-03-17 11:42:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 11:42:33,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:33,499 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:33,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 11:42:33,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:33,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:33,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:33,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1740129208, now seen corresponding path program 1 times [2025-03-17 11:42:33,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:33,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378652447] [2025-03-17 11:42:33,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:33,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:33,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:33,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:42:33,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 11:42:33,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 11:42:33,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:33,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:33,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:42:33,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:33,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:33,938 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378652447] [2025-03-17 11:42:33,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378652447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:33,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:33,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:42:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200151805] [2025-03-17 11:42:33,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:33,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:42:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:33,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:42:33,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:33,939 INFO L87 Difference]: Start difference. First operand 219 states and 284 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:37,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 11:42:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:39,477 INFO L93 Difference]: Finished difference Result 330 states and 431 transitions. [2025-03-17 11:42:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:42:39,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 11:42:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:39,479 INFO L225 Difference]: With dead ends: 330 [2025-03-17 11:42:39,479 INFO L226 Difference]: Without dead ends: 330 [2025-03-17 11:42:39,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:39,480 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 134 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:39,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 767 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2025-03-17 11:42:39,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-03-17 11:42:39,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 326. [2025-03-17 11:42:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 303 states have (on average 1.306930693069307) internal successors, (396), 308 states have internal predecessors, (396), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 11:42:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 426 transitions. [2025-03-17 11:42:39,502 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 426 transitions. Word has length 11 [2025-03-17 11:42:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:39,502 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 426 transitions. [2025-03-17 11:42:39,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 426 transitions. [2025-03-17 11:42:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 11:42:39,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:39,503 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:39,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 11:42:39,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:39,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:39,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:39,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1227442875, now seen corresponding path program 1 times [2025-03-17 11:42:39,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:39,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877955512] [2025-03-17 11:42:39,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:39,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:39,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:39,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:39,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:42:39,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 11:42:39,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 11:42:39,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:39,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:39,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 11:42:39,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:39,840 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:39,840 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:39,841 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:39,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:42:39,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:42:39,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:42:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:39,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:39,925 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:39,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877955512] [2025-03-17 11:42:39,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877955512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:39,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:39,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:42:39,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184364425] [2025-03-17 11:42:39,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:39,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:42:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:39,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:42:39,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:39,926 INFO L87 Difference]: Start difference. First operand 326 states and 426 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:40,358 INFO L93 Difference]: Finished difference Result 501 states and 661 transitions. [2025-03-17 11:42:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:42:40,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-17 11:42:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:40,362 INFO L225 Difference]: With dead ends: 501 [2025-03-17 11:42:40,362 INFO L226 Difference]: Without dead ends: 501 [2025-03-17 11:42:40,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:42:40,363 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 224 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:40,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 845 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 11:42:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-03-17 11:42:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 325. [2025-03-17 11:42:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 302 states have (on average 1.304635761589404) internal successors, (394), 307 states have internal predecessors, (394), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 11:42:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 424 transitions. [2025-03-17 11:42:40,379 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 424 transitions. Word has length 14 [2025-03-17 11:42:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:40,379 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 424 transitions. [2025-03-17 11:42:40,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 424 transitions. [2025-03-17 11:42:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:42:40,381 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:40,381 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:40,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 11:42:40,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:40,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:40,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1346643987, now seen corresponding path program 1 times [2025-03-17 11:42:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:40,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443885165] [2025-03-17 11:42:40,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:40,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:40,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:40,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:40,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:42:40,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:42:40,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:42:40,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:40,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:40,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:42:40,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:40,824 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:40,824 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:40,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443885165] [2025-03-17 11:42:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443885165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:40,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:40,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:42:40,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613678239] [2025-03-17 11:42:40,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:40,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 11:42:40,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:40,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 11:42:40,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:42:40,825 INFO L87 Difference]: Start difference. First operand 325 states and 424 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:40,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:40,906 INFO L93 Difference]: Finished difference Result 331 states and 414 transitions. [2025-03-17 11:42:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 11:42:40,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2025-03-17 11:42:40,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:40,908 INFO L225 Difference]: With dead ends: 331 [2025-03-17 11:42:40,908 INFO L226 Difference]: Without dead ends: 331 [2025-03-17 11:42:40,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:42:40,909 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 33 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:40,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 746 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:42:40,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-03-17 11:42:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2025-03-17 11:42:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 308 states have (on average 1.2467532467532467) internal successors, (384), 313 states have internal predecessors, (384), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 11:42:40,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 414 transitions. [2025-03-17 11:42:40,928 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 414 transitions. Word has length 47 [2025-03-17 11:42:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:40,928 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 414 transitions. [2025-03-17 11:42:40,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 414 transitions. [2025-03-17 11:42:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:42:40,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:40,929 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:40,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:42:41,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:41,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash -593356185, now seen corresponding path program 1 times [2025-03-17 11:42:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984990699] [2025-03-17 11:42:41,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:41,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:41,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:41,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:41,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 11:42:41,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:42:41,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:42:41,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:41,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:41,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 11:42:41,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:41,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:41,456 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:41,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984990699] [2025-03-17 11:42:41,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984990699] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:41,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:41,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 11:42:41,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725838072] [2025-03-17 11:42:41,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:41,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:42:41,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:41,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:42:41,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:42:41,458 INFO L87 Difference]: Start difference. First operand 331 states and 414 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:41,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:41,585 INFO L93 Difference]: Finished difference Result 340 states and 424 transitions. [2025-03-17 11:42:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 11:42:41,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2025-03-17 11:42:41,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:41,590 INFO L225 Difference]: With dead ends: 340 [2025-03-17 11:42:41,590 INFO L226 Difference]: Without dead ends: 340 [2025-03-17 11:42:41,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 11:42:41,591 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:41,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1631 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:42:41,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-03-17 11:42:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 339. [2025-03-17 11:42:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 313 states have (on average 1.2428115015974441) internal successors, (389), 319 states have internal predecessors, (389), 19 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 11:42:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 423 transitions. [2025-03-17 11:42:41,598 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 423 transitions. Word has length 47 [2025-03-17 11:42:41,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:41,598 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 423 transitions. [2025-03-17 11:42:41,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:42:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 423 transitions. [2025-03-17 11:42:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 11:42:41,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:41,600 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:41,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 11:42:41,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:41,800 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:41,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:41,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1179125414, now seen corresponding path program 1 times [2025-03-17 11:42:41,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:41,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515478742] [2025-03-17 11:42:41,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:41,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:41,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:41,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 11:42:41,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 11:42:42,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 11:42:42,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:42,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:42,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:42:42,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:42:42,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:42,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:42,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515478742] [2025-03-17 11:42:42,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515478742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:42,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:42,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:42:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602700520] [2025-03-17 11:42:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:42,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:42:42,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:42,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:42:42,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:42,093 INFO L87 Difference]: Start difference. First operand 339 states and 423 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:42:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:42,293 INFO L93 Difference]: Finished difference Result 895 states and 1136 transitions. [2025-03-17 11:42:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:42:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2025-03-17 11:42:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:42,297 INFO L225 Difference]: With dead ends: 895 [2025-03-17 11:42:42,297 INFO L226 Difference]: Without dead ends: 895 [2025-03-17 11:42:42,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:42,300 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 498 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:42,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1405 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 11:42:42,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-03-17 11:42:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 841. [2025-03-17 11:42:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 795 states have (on average 1.261635220125786) internal successors, (1003), 802 states have internal predecessors, (1003), 33 states have call successors, (33), 12 states have call predecessors, (33), 11 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32) [2025-03-17 11:42:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1068 transitions. [2025-03-17 11:42:42,331 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1068 transitions. Word has length 66 [2025-03-17 11:42:42,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:42,332 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1068 transitions. [2025-03-17 11:42:42,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:42:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1068 transitions. [2025-03-17 11:42:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 11:42:42,334 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:42,335 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:42,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 11:42:42,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:42,535 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:42,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash -931706012, now seen corresponding path program 1 times [2025-03-17 11:42:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:42,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625257201] [2025-03-17 11:42:42,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:42,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:42,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:42,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:42,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 11:42:42,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 11:42:42,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 11:42:42,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:42,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:42,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:42:42,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 11:42:42,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:42,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625257201] [2025-03-17 11:42:42,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625257201] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:42,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:42,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:42:42,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722354447] [2025-03-17 11:42:42,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:42,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:42:42,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:42,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:42:42,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:42,893 INFO L87 Difference]: Start difference. First operand 841 states and 1068 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:42:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:42,926 INFO L93 Difference]: Finished difference Result 850 states and 1080 transitions. [2025-03-17 11:42:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:42:42,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2025-03-17 11:42:42,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:42,929 INFO L225 Difference]: With dead ends: 850 [2025-03-17 11:42:42,929 INFO L226 Difference]: Without dead ends: 850 [2025-03-17 11:42:42,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:42,930 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:42,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 803 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:42:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2025-03-17 11:42:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2025-03-17 11:42:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 801 states have (on average 1.2634207240948814) internal successors, (1012), 811 states have internal predecessors, (1012), 33 states have call successors, (33), 12 states have call predecessors, (33), 14 states have return successors, (35), 26 states have call predecessors, (35), 29 states have call successors, (35) [2025-03-17 11:42:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1080 transitions. [2025-03-17 11:42:42,948 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1080 transitions. Word has length 91 [2025-03-17 11:42:42,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:42,948 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1080 transitions. [2025-03-17 11:42:42,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:42:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1080 transitions. [2025-03-17 11:42:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 11:42:42,950 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:42,951 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:42,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 11:42:43,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:43,151 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:43,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash 127307358, now seen corresponding path program 1 times [2025-03-17 11:42:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192010614] [2025-03-17 11:42:43,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:43,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:43,154 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 11:42:43,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 11:42:43,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 11:42:43,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:43,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:43,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 11:42:43,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:42:43,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:42:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 11:42:43,914 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:43,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192010614] [2025-03-17 11:42:43,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192010614] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:42:43,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:42:43,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-17 11:42:43,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811910881] [2025-03-17 11:42:43,915 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:42:43,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 11:42:43,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:43,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 11:42:43,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-17 11:42:43,917 INFO L87 Difference]: Start difference. First operand 850 states and 1080 transitions. Second operand has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:42:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:45,616 INFO L93 Difference]: Finished difference Result 3219 states and 4116 transitions. [2025-03-17 11:42:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-17 11:42:45,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 93 [2025-03-17 11:42:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:45,629 INFO L225 Difference]: With dead ends: 3219 [2025-03-17 11:42:45,630 INFO L226 Difference]: Without dead ends: 3219 [2025-03-17 11:42:45,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-17 11:42:45,632 INFO L435 NwaCegarLoop]: 937 mSDtfsCounter, 2713 mSDsluCounter, 7503 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 8440 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:45,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 8440 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 11:42:45,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2025-03-17 11:42:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 2376. [2025-03-17 11:42:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2276 states have (on average 1.2693321616871704) internal successors, (2889), 2294 states have internal predecessors, (2889), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-17 11:42:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3032 transitions. [2025-03-17 11:42:45,683 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3032 transitions. Word has length 93 [2025-03-17 11:42:45,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:45,683 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3032 transitions. [2025-03-17 11:42:45,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:42:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3032 transitions. [2025-03-17 11:42:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 11:42:45,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:45,685 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:45,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 11:42:45,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:45,885 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:45,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:45,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1766872033, now seen corresponding path program 1 times [2025-03-17 11:42:45,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:45,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021798807] [2025-03-17 11:42:45,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:45,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:45,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:45,888 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:45,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 11:42:46,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 11:42:46,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 11:42:46,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:46,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:46,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 11:42:46,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:46,251 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:46,251 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:46,251 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:42:46,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:42:46,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:42:46,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:42:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 11:42:46,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:42:46,293 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:46,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021798807] [2025-03-17 11:42:46,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021798807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:42:46,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:42:46,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:42:46,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257245630] [2025-03-17 11:42:46,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:42:46,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:42:46,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:46,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:42:46,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:42:46,293 INFO L87 Difference]: Start difference. First operand 2376 states and 3032 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:42:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:46,701 INFO L93 Difference]: Finished difference Result 3351 states and 4333 transitions. [2025-03-17 11:42:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:42:46,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 101 [2025-03-17 11:42:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:46,710 INFO L225 Difference]: With dead ends: 3351 [2025-03-17 11:42:46,710 INFO L226 Difference]: Without dead ends: 3351 [2025-03-17 11:42:46,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:42:46,710 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 209 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:46,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 745 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 11:42:46,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3351 states. [2025-03-17 11:42:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3351 to 2392. [2025-03-17 11:42:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2292 states have (on average 1.2674520069808028) internal successors, (2905), 2310 states have internal predecessors, (2905), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-17 11:42:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3048 transitions. [2025-03-17 11:42:46,745 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3048 transitions. Word has length 101 [2025-03-17 11:42:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:46,745 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3048 transitions. [2025-03-17 11:42:46,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:42:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3048 transitions. [2025-03-17 11:42:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 11:42:46,746 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:46,746 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:46,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 11:42:46,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:46,947 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:46,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:46,947 INFO L85 PathProgramCache]: Analyzing trace with hash -366669286, now seen corresponding path program 1 times [2025-03-17 11:42:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:46,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523530667] [2025-03-17 11:42:46,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:42:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:46,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:46,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:46,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 11:42:47,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 11:42:47,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 11:42:47,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:42:47,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:42:47,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 11:42:47,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:42:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 11:42:47,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:42:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-17 11:42:47,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:42:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523530667] [2025-03-17 11:42:47,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523530667] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:42:47,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:42:47,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 11:42:47,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123987245] [2025-03-17 11:42:47,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:42:47,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:42:47,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:42:47,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:42:47,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:42:47,471 INFO L87 Difference]: Start difference. First operand 2392 states and 3048 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:42:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:42:47,592 INFO L93 Difference]: Finished difference Result 2458 states and 3150 transitions. [2025-03-17 11:42:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:42:47,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2025-03-17 11:42:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:42:47,600 INFO L225 Difference]: With dead ends: 2458 [2025-03-17 11:42:47,600 INFO L226 Difference]: Without dead ends: 2458 [2025-03-17 11:42:47,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 11:42:47,601 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 4 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:42:47,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1332 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:42:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2025-03-17 11:42:47,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2446. [2025-03-17 11:42:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 2340 states have (on average 1.2773504273504273) internal successors, (2989), 2358 states have internal predecessors, (2989), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (80), 55 states have call predecessors, (80), 65 states have call successors, (80) [2025-03-17 11:42:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3138 transitions. [2025-03-17 11:42:47,640 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3138 transitions. Word has length 107 [2025-03-17 11:42:47,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:42:47,640 INFO L471 AbstractCegarLoop]: Abstraction has 2446 states and 3138 transitions. [2025-03-17 11:42:47,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:42:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3138 transitions. [2025-03-17 11:42:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 11:42:47,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:42:47,641 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:42:47,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 11:42:47,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:47,842 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:42:47,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:42:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1798609280, now seen corresponding path program 2 times [2025-03-17 11:42:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:42:47,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958758369] [2025-03-17 11:42:47,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:42:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:42:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:42:47,846 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:42:47,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 11:42:48,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes.