./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:07:04,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:07:04,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:07:04,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:07:04,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:07:04,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:07:04,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:07:04,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:07:04,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:07:04,821 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:07:04,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:07:04,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:07:04,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:07:04,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:07:04,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:07:04,823 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:07:04,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:07:04,823 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2025-03-04 07:07:05,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:07:05,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:07:05,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:07:05,066 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:07:05,066 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:07:05,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-04 07:07:06,190 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d751a647/605188db5d794b939db7931d4a551a30/FLAG457e632e3 [2025-03-04 07:07:06,537 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:07:06,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-04 07:07:06,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d751a647/605188db5d794b939db7931d4a551a30/FLAG457e632e3 [2025-03-04 07:07:06,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d751a647/605188db5d794b939db7931d4a551a30 [2025-03-04 07:07:06,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:07:06,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:07:06,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:07:06,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:07:06,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:07:06,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:07:06" (1/1) ... [2025-03-04 07:07:06,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535914c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:06, skipping insertion in model container [2025-03-04 07:07:06,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:07:06" (1/1) ... [2025-03-04 07:07:06,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:07:07,164 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,187 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,189 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,192 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,199 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,233 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,233 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,234 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,235 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,236 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,237 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,241 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,242 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,247 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,248 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,249 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,250 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,250 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,250 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,253 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:07,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:07:07,277 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-04 07:07:07,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b41f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:07, skipping insertion in model container [2025-03-04 07:07:07,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:07:07,278 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:07:07,279 INFO L158 Benchmark]: Toolchain (without parser) took 512.72ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 100.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:07:07,279 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:07:07,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.19ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 100.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:07:07,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.19ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 100.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:07:08,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:07:09,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:07:09,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:07:09,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:07:09,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:07:09,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:07:09,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:07:09,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:07:09,042 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:07:09,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:07:09,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:07:09,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:07:09,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:07:09,043 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:07:09,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:07:09,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:07:09,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:07:09,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:07:09,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:07:09,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:07:09,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:07:09,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:07:09,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:07:09,047 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2025-03-04 07:07:09,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:07:09,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:07:09,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:07:09,278 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:07:09,280 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:07:09,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-04 07:07:10,472 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88d14841/cfdbc8af2cbf4ef7a4c980d1d6606e73/FLAGb521c76a4 [2025-03-04 07:07:10,754 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:07:10,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2025-03-04 07:07:10,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88d14841/cfdbc8af2cbf4ef7a4c980d1d6606e73/FLAGb521c76a4 [2025-03-04 07:07:10,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88d14841/cfdbc8af2cbf4ef7a4c980d1d6606e73 [2025-03-04 07:07:10,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:07:10,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:07:10,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:07:10,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:07:10,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:07:10,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:07:10" (1/1) ... [2025-03-04 07:07:10,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e001476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:10, skipping insertion in model container [2025-03-04 07:07:10,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:07:10" (1/1) ... [2025-03-04 07:07:10,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:07:11,231 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,256 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,258 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,262 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,270 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,299 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,299 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,306 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,308 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,311 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,312 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,314 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,318 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,319 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,320 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,321 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,322 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,322 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,325 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:07:11,343 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:07:11,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:07:11,391 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,399 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,401 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,402 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,410 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,424 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,424 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,429 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,429 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,431 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,431 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,432 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,432 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,433 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,434 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,435 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,436 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,436 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,436 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,438 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:07:11,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:07:11,444 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:07:11,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:07:11,598 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:07:11,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11 WrapperNode [2025-03-04 07:07:11,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:07:11,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:07:11,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:07:11,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:07:11,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,683 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1181 [2025-03-04 07:07:11,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:07:11,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:07:11,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:07:11,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:07:11,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,782 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2025-03-04 07:07:11,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:07:11,845 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:07:11,845 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:07:11,845 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:07:11,846 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (1/1) ... [2025-03-04 07:07:11,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:07:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:11,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 07:07:11,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 07:07:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:07:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:07:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:07:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-04 07:07:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:07:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-04 07:07:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-04 07:07:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-04 07:07:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:07:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:07:12,059 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:07:12,060 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:07:12,127 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-04 07:07:19,116 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-04 07:07:19,116 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-04 07:07:19,116 INFO L1325 $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; [2025-03-04 07:07:19,170 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2025-03-04 07:07:19,170 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:07:19,182 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:07:19,182 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:07:19,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:07:19 BoogieIcfgContainer [2025-03-04 07:07:19,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:07:19,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:07:19,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:07:19,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:07:19,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:07:10" (1/3) ... [2025-03-04 07:07:19,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:07:19, skipping insertion in model container [2025-03-04 07:07:19,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:07:11" (2/3) ... [2025-03-04 07:07:19,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:07:19, skipping insertion in model container [2025-03-04 07:07:19,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:07:19" (3/3) ... [2025-03-04 07:07:19,191 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-2.i [2025-03-04 07:07:19,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:07:19,202 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test6-2.i that has 6 procedures, 262 locations, 1 initial locations, 39 loop locations, and 2 error locations. [2025-03-04 07:07:19,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:07:19,244 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;@5e8bf4f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:07:19,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:07:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 235 states have (on average 1.6) internal successors, (376), 240 states have internal predecessors, (376), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 07:07:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-04 07:07:19,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:19,254 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:19,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:19,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash -596919528, now seen corresponding path program 1 times [2025-03-04 07:07:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:19,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445861278] [2025-03-04 07:07:19,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:19,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:19,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:19,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:19,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:07:19,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 07:07:19,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 07:07:19,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:19,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:19,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:07:19,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:19,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:19,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:19,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445861278] [2025-03-04 07:07:19,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445861278] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:19,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:19,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:07:19,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127446633] [2025-03-04 07:07:19,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:19,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:07:19,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:19,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:07:19,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:07:19,501 INFO L87 Difference]: Start difference. First operand has 262 states, 235 states have (on average 1.6) internal successors, (376), 240 states have internal predecessors, (376), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:07:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:19,527 INFO L93 Difference]: Finished difference Result 257 states and 335 transitions. [2025-03-04 07:07:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:07:19,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 10 [2025-03-04 07:07:19,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:19,533 INFO L225 Difference]: With dead ends: 257 [2025-03-04 07:07:19,533 INFO L226 Difference]: Without dead ends: 255 [2025-03-04 07:07:19,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:07:19,536 INFO L435 NwaCegarLoop]: 335 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, 335 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:19,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:07:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-04 07:07:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-04 07:07:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 230 states have (on average 1.3) internal successors, (299), 235 states have internal predecessors, (299), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 07:07:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 333 transitions. [2025-03-04 07:07:19,574 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 333 transitions. Word has length 10 [2025-03-04 07:07:19,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:19,574 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 333 transitions. [2025-03-04 07:07:19,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:07:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 333 transitions. [2025-03-04 07:07:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 07:07:19,574 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:19,574 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:19,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:07:19,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:19,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:19,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:19,776 INFO L85 PathProgramCache]: Analyzing trace with hash 739244149, now seen corresponding path program 1 times [2025-03-04 07:07:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43448465] [2025-03-04 07:07:19,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:19,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:19,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:19,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:19,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 07:07:19,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 07:07:19,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 07:07:19,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:19,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:19,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:07:19,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:20,042 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:20,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:20,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43448465] [2025-03-04 07:07:20,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43448465] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:20,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:20,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:07:20,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079843050] [2025-03-04 07:07:20,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:20,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:07:20,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:20,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:07:20,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:20,044 INFO L87 Difference]: Start difference. First operand 255 states and 333 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:07:23,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:07:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:26,473 INFO L93 Difference]: Finished difference Result 405 states and 532 transitions. [2025-03-04 07:07:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:07:26,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12 [2025-03-04 07:07:26,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:26,476 INFO L225 Difference]: With dead ends: 405 [2025-03-04 07:07:26,476 INFO L226 Difference]: Without dead ends: 405 [2025-03-04 07:07:26,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:07:26,476 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 180 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:26,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 950 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2025-03-04 07:07:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-04 07:07:26,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 370. [2025-03-04 07:07:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 342 states have (on average 1.304093567251462) internal successors, (446), 347 states have internal predecessors, (446), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:07:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 486 transitions. [2025-03-04 07:07:26,510 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 486 transitions. Word has length 12 [2025-03-04 07:07:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:26,511 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 486 transitions. [2025-03-04 07:07:26,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:07:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 486 transitions. [2025-03-04 07:07:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 07:07:26,511 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:26,511 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:26,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 07:07:26,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:26,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:26,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -555946487, now seen corresponding path program 1 times [2025-03-04 07:07:26,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:26,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179046967] [2025-03-04 07:07:26,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:26,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:26,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:26,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:26,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 07:07:26,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 07:07:26,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 07:07:26,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:26,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:26,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:07:26,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:26,892 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:07:26,892 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:07:26,893 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:07:26,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:07:26,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:07:26,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:07:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:26,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:26,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179046967] [2025-03-04 07:07:26,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179046967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:26,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:26,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:07:26,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205980424] [2025-03-04 07:07:26,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:26,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:07:26,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:26,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:07:26,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:26,978 INFO L87 Difference]: Start difference. First operand 370 states and 486 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-03-04 07:07:27,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:27,401 INFO L93 Difference]: Finished difference Result 580 states and 769 transitions. [2025-03-04 07:07:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:07:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2025-03-04 07:07:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:27,404 INFO L225 Difference]: With dead ends: 580 [2025-03-04 07:07:27,404 INFO L226 Difference]: Without dead ends: 580 [2025-03-04 07:07:27,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:07:27,405 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 267 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:27,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1025 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 07:07:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-03-04 07:07:27,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 369. [2025-03-04 07:07:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 341 states have (on average 1.3020527859237536) internal successors, (444), 346 states have internal predecessors, (444), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:07:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 484 transitions. [2025-03-04 07:07:27,428 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 484 transitions. Word has length 15 [2025-03-04 07:07:27,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:27,428 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 484 transitions. [2025-03-04 07:07:27,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-03-04 07:07:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 484 transitions. [2025-03-04 07:07:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:07:27,429 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:27,429 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:27,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 07:07:27,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:27,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:27,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1096500670, now seen corresponding path program 1 times [2025-03-04 07:07:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:27,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484287147] [2025-03-04 07:07:27,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:27,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:27,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:27,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 07:07:27,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:07:27,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:07:27,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:27,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:27,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:07:27,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:27,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:27,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:27,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484287147] [2025-03-04 07:07:27,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484287147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:27,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:27,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:07:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193783235] [2025-03-04 07:07:27,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:27,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:07:27,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:27,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:07:27,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:07:27,846 INFO L87 Difference]: Start difference. First operand 369 states and 484 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-03-04 07:07:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:27,964 INFO L93 Difference]: Finished difference Result 409 states and 524 transitions. [2025-03-04 07:07:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:07:27,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 48 [2025-03-04 07:07:27,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:27,967 INFO L225 Difference]: With dead ends: 409 [2025-03-04 07:07:27,967 INFO L226 Difference]: Without dead ends: 409 [2025-03-04 07:07:27,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:07:27,968 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 8 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:27,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 611 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:07:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-03-04 07:07:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-03-04 07:07:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 381 states have (on average 1.2703412073490814) internal successors, (484), 386 states have internal predecessors, (484), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:07:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 524 transitions. [2025-03-04 07:07:27,977 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 524 transitions. Word has length 48 [2025-03-04 07:07:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:27,978 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 524 transitions. [2025-03-04 07:07:27,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-03-04 07:07:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 524 transitions. [2025-03-04 07:07:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:07:27,979 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:27,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:27,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 07:07:28,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:28,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:28,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash 71008671, now seen corresponding path program 1 times [2025-03-04 07:07:28,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:28,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251317839] [2025-03-04 07:07:28,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:28,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:28,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:28,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 07:07:28,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:07:28,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:07:28,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:28,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:28,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:07:28,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:28,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:28,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:28,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251317839] [2025-03-04 07:07:28,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251317839] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:28,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:28,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:07:28,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148993423] [2025-03-04 07:07:28,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:28,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:07:28,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:28,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:07:28,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:28,421 INFO L87 Difference]: Start difference. First operand 409 states and 524 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-03-04 07:07:28,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:28,502 INFO L93 Difference]: Finished difference Result 375 states and 468 transitions. [2025-03-04 07:07:28,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:07:28,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 48 [2025-03-04 07:07:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:28,504 INFO L225 Difference]: With dead ends: 375 [2025-03-04 07:07:28,504 INFO L226 Difference]: Without dead ends: 375 [2025-03-04 07:07:28,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:07:28,504 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 32 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:28,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 889 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:07:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-04 07:07:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2025-03-04 07:07:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 347 states have (on average 1.2334293948126802) internal successors, (428), 352 states have internal predecessors, (428), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:07:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 468 transitions. [2025-03-04 07:07:28,511 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 468 transitions. Word has length 48 [2025-03-04 07:07:28,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:28,511 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 468 transitions. [2025-03-04 07:07:28,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-03-04 07:07:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 468 transitions. [2025-03-04 07:07:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:07:28,512 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:28,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:28,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 07:07:28,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:28,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:28,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1837866824, now seen corresponding path program 1 times [2025-03-04 07:07:28,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:28,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261881508] [2025-03-04 07:07:28,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:28,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:28,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:28,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:28,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 07:07:28,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:07:28,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:07:28,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:28,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:28,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 07:07:28,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:29,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:29,113 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:29,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261881508] [2025-03-04 07:07:29,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261881508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:29,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:29,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 07:07:29,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801671696] [2025-03-04 07:07:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:29,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:07:29,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:29,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:07:29,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:07:29,114 INFO L87 Difference]: Start difference. First operand 375 states and 468 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 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) [2025-03-04 07:07:29,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:29,258 INFO L93 Difference]: Finished difference Result 384 states and 478 transitions. [2025-03-04 07:07:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 07:07:29,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 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 48 [2025-03-04 07:07:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:29,261 INFO L225 Difference]: With dead ends: 384 [2025-03-04 07:07:29,261 INFO L226 Difference]: Without dead ends: 384 [2025-03-04 07:07:29,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-04 07:07:29,262 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 8 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:29,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2191 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:07:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-03-04 07:07:29,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 383. [2025-03-04 07:07:29,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 352 states have (on average 1.2301136363636365) internal successors, (433), 358 states have internal predecessors, (433), 24 states have call successors, (24), 7 states have call predecessors, (24), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 07:07:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 477 transitions. [2025-03-04 07:07:29,274 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 477 transitions. Word has length 48 [2025-03-04 07:07:29,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:29,276 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 477 transitions. [2025-03-04 07:07:29,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 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) [2025-03-04 07:07:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 477 transitions. [2025-03-04 07:07:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-04 07:07:29,277 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:29,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:07:29,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 07:07:29,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:29,478 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:29,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:29,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1271123850, now seen corresponding path program 1 times [2025-03-04 07:07:29,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:29,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887341003] [2025-03-04 07:07:29,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:29,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:29,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:29,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 07:07:29,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 07:07:29,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 07:07:29,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:29,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:29,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:07:29,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:07:29,784 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:29,784 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:29,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887341003] [2025-03-04 07:07:29,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887341003] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:29,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:29,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:07:29,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462287481] [2025-03-04 07:07:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:29,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:07:29,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:29,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:07:29,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:29,785 INFO L87 Difference]: Start difference. First operand 383 states and 477 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2025-03-04 07:07:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:30,016 INFO L93 Difference]: Finished difference Result 1021 states and 1297 transitions. [2025-03-04 07:07:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:07:30,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 68 [2025-03-04 07:07:30,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:30,020 INFO L225 Difference]: With dead ends: 1021 [2025-03-04 07:07:30,020 INFO L226 Difference]: Without dead ends: 1021 [2025-03-04 07:07:30,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:30,021 INFO L435 NwaCegarLoop]: 700 mSDtfsCounter, 586 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:30,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1646 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:07:30,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2025-03-04 07:07:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 939. [2025-03-04 07:07:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 877 states have (on average 1.2508551881413912) internal successors, (1097), 887 states have internal predecessors, (1097), 48 states have call successors, (48), 13 states have call predecessors, (48), 12 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2025-03-04 07:07:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1192 transitions. [2025-03-04 07:07:30,041 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1192 transitions. Word has length 68 [2025-03-04 07:07:30,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:30,041 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1192 transitions. [2025-03-04 07:07:30,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2025-03-04 07:07:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1192 transitions. [2025-03-04 07:07:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 07:07:30,042 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:30,043 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, 1] [2025-03-04 07:07:30,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 07:07:30,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:30,243 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:30,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash -548066280, now seen corresponding path program 1 times [2025-03-04 07:07:30,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:30,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917236945] [2025-03-04 07:07:30,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:30,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:30,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 07:07:30,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 07:07:30,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 07:07:30,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:30,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:30,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:07:30,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 07:07:30,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:07:30,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:30,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917236945] [2025-03-04 07:07:30,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917236945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:07:30,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:07:30,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:07:30,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841466242] [2025-03-04 07:07:30,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:07:30,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:07:30,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:30,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:07:30,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:30,608 INFO L87 Difference]: Start difference. First operand 939 states and 1192 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-04 07:07:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:30,650 INFO L93 Difference]: Finished difference Result 951 states and 1207 transitions. [2025-03-04 07:07:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:07:30,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 94 [2025-03-04 07:07:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:30,658 INFO L225 Difference]: With dead ends: 951 [2025-03-04 07:07:30,658 INFO L226 Difference]: Without dead ends: 951 [2025-03-04 07:07:30,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:07:30,658 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:30,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 949 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:07:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2025-03-04 07:07:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 951. [2025-03-04 07:07:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 886 states have (on average 1.2516930022573363) internal successors, (1109), 899 states have internal predecessors, (1109), 48 states have call successors, (48), 13 states have call predecessors, (48), 15 states have return successors, (50), 38 states have call predecessors, (50), 44 states have call successors, (50) [2025-03-04 07:07:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1207 transitions. [2025-03-04 07:07:30,682 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1207 transitions. Word has length 94 [2025-03-04 07:07:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:30,682 INFO L471 AbstractCegarLoop]: Abstraction has 951 states and 1207 transitions. [2025-03-04 07:07:30,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-04 07:07:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1207 transitions. [2025-03-04 07:07:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 07:07:30,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:30,684 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 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, 1] [2025-03-04 07:07:30,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 07:07:30,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:30,885 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:30,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash -993190908, now seen corresponding path program 1 times [2025-03-04 07:07:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:30,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931287387] [2025-03-04 07:07:30,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:07:30,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:30,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:30,887 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:30,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 07:07:31,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 07:07:31,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 07:07:31,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:07:31,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:31,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:07:31,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 07:07:31,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:07:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 07:07:31,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:31,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931287387] [2025-03-04 07:07:31,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931287387] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:07:31,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:07:31,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:07:31,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130658205] [2025-03-04 07:07:31,396 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:07:31,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:07:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:31,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:07:31,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:07:31,397 INFO L87 Difference]: Start difference. First operand 951 states and 1207 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-04 07:07:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:07:31,562 INFO L93 Difference]: Finished difference Result 990 states and 1264 transitions. [2025-03-04 07:07:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:07:31,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 96 [2025-03-04 07:07:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:07:31,566 INFO L225 Difference]: With dead ends: 990 [2025-03-04 07:07:31,566 INFO L226 Difference]: Without dead ends: 990 [2025-03-04 07:07:31,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-04 07:07:31,567 INFO L435 NwaCegarLoop]: 317 mSDtfsCounter, 5 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:07:31,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1260 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:07:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2025-03-04 07:07:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 981. [2025-03-04 07:07:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 913 states have (on average 1.2639649507119386) internal successors, (1154), 926 states have internal predecessors, (1154), 48 states have call successors, (48), 16 states have call predecessors, (48), 18 states have return successors, (53), 38 states have call predecessors, (53), 44 states have call successors, (53) [2025-03-04 07:07:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1255 transitions. [2025-03-04 07:07:31,586 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1255 transitions. Word has length 96 [2025-03-04 07:07:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:07:31,586 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1255 transitions. [2025-03-04 07:07:31,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-04 07:07:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1255 transitions. [2025-03-04 07:07:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 07:07:31,587 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:07:31,587 INFO L218 NwaCegarLoop]: trace histogram [6, 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, 1] [2025-03-04 07:07:31,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 07:07:31,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:31,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:07:31,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:07:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1943315768, now seen corresponding path program 2 times [2025-03-04 07:07:31,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:07:31,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243900710] [2025-03-04 07:07:31,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:07:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:07:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:07:31,790 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:07:31,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 07:07:32,001 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 07:07:58,256 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 07:07:58,256 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 07:07:58,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:07:58,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 07:07:58,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:07:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 07:07:58,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:07:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-04 07:07:58,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:07:58,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243900710] [2025-03-04 07:07:58,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243900710] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:07:58,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:07:58,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-04 07:07:58,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361153614] [2025-03-04 07:07:58,894 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:07:58,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 07:07:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:07:58,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 07:07:58,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-04 07:07:58,895 INFO L87 Difference]: Start difference. First operand 981 states and 1255 transitions. Second operand has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 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) [2025-03-04 07:08:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:08:00,949 INFO L93 Difference]: Finished difference Result 3795 states and 4890 transitions. [2025-03-04 07:08:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-04 07:08:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 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 100 [2025-03-04 07:08:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:08:00,963 INFO L225 Difference]: With dead ends: 3795 [2025-03-04 07:08:00,963 INFO L226 Difference]: Without dead ends: 3795 [2025-03-04 07:08:00,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-04 07:08:00,965 INFO L435 NwaCegarLoop]: 1126 mSDtfsCounter, 5626 mSDsluCounter, 6411 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5657 SdHoareTripleChecker+Valid, 7537 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 07:08:00,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5657 Valid, 7537 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 07:08:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2025-03-04 07:08:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 2836. [2025-03-04 07:08:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2662 states have (on average 1.2697220135236664) internal successors, (3380), 2692 states have internal predecessors, (3380), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2025-03-04 07:08:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3651 transitions. [2025-03-04 07:08:01,053 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3651 transitions. Word has length 100 [2025-03-04 07:08:01,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:08:01,054 INFO L471 AbstractCegarLoop]: Abstraction has 2836 states and 3651 transitions. [2025-03-04 07:08:01,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 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) [2025-03-04 07:08:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3651 transitions. [2025-03-04 07:08:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-04 07:08:01,056 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:08:01,056 INFO L218 NwaCegarLoop]: trace histogram [6, 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, 1] [2025-03-04 07:08:01,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 07:08:01,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:01,257 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:08:01,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:08:01,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2098657365, now seen corresponding path program 1 times [2025-03-04 07:08:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:08:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704198174] [2025-03-04 07:08:01,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:08:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:08:01,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:08:01,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 07:08:01,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-04 07:08:01,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-04 07:08:01,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:08:01,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:08:01,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 07:08:01,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:08:01,681 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:08:01,681 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:08:01,682 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:08:01,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-04 07:08:01,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:08:01,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:08:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-04 07:08:01,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:08:01,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:08:01,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704198174] [2025-03-04 07:08:01,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704198174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:08:01,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:08:01,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:08:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172225826] [2025-03-04 07:08:01,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:08:01,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:08:01,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:08:01,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:08:01,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:08:01,760 INFO L87 Difference]: Start difference. First operand 2836 states and 3651 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2025-03-04 07:08:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:08:02,147 INFO L93 Difference]: Finished difference Result 3828 states and 4970 transitions. [2025-03-04 07:08:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:08:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 108 [2025-03-04 07:08:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:08:02,159 INFO L225 Difference]: With dead ends: 3828 [2025-03-04 07:08:02,159 INFO L226 Difference]: Without dead ends: 3828 [2025-03-04 07:08:02,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:08:02,160 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 210 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:08:02,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 892 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:08:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2025-03-04 07:08:02,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 2852. [2025-03-04 07:08:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2678 states have (on average 1.2681105302464526) internal successors, (3396), 2708 states have internal predecessors, (3396), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2025-03-04 07:08:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3667 transitions. [2025-03-04 07:08:02,219 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3667 transitions. Word has length 108 [2025-03-04 07:08:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:08:02,219 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 3667 transitions. [2025-03-04 07:08:02,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2025-03-04 07:08:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3667 transitions. [2025-03-04 07:08:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-04 07:08:02,220 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:08:02,220 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 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, 1] [2025-03-04 07:08:02,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 07:08:02,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:02,424 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:08:02,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:08:02,425 INFO L85 PathProgramCache]: Analyzing trace with hash 417400431, now seen corresponding path program 1 times [2025-03-04 07:08:02,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:08:02,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208713203] [2025-03-04 07:08:02,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:08:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:08:02,428 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:08:02,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 07:08:02,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-04 07:08:02,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-04 07:08:02,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:08:02,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:08:02,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 07:08:02,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:08:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:08:02,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:08:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-04 07:08:03,148 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:08:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208713203] [2025-03-04 07:08:03,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208713203] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:08:03,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:08:03,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 07:08:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087059292] [2025-03-04 07:08:03,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:08:03,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 07:08:03,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:08:03,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 07:08:03,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 07:08:03,150 INFO L87 Difference]: Start difference. First operand 2852 states and 3667 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 07:08:03,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:08:03,405 INFO L93 Difference]: Finished difference Result 2912 states and 3739 transitions. [2025-03-04 07:08:03,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 07:08:03,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2025-03-04 07:08:03,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:08:03,412 INFO L225 Difference]: With dead ends: 2912 [2025-03-04 07:08:03,412 INFO L226 Difference]: Without dead ends: 2894 [2025-03-04 07:08:03,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-03-04 07:08:03,413 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 5 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:08:03,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2518 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:08:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2025-03-04 07:08:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2876. [2025-03-04 07:08:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2702 states have (on average 1.2701702442635086) internal successors, (3432), 2732 states have internal predecessors, (3432), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2025-03-04 07:08:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3697 transitions. [2025-03-04 07:08:03,458 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3697 transitions. Word has length 115 [2025-03-04 07:08:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:08:03,458 INFO L471 AbstractCegarLoop]: Abstraction has 2876 states and 3697 transitions. [2025-03-04 07:08:03,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 07:08:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3697 transitions. [2025-03-04 07:08:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 07:08:03,459 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:08:03,459 INFO L218 NwaCegarLoop]: trace histogram [10, 3, 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, 1] [2025-03-04 07:08:03,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 07:08:03,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:03,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:08:03,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:08:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1025939375, now seen corresponding path program 2 times [2025-03-04 07:08:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:08:03,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930417120] [2025-03-04 07:08:03,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:08:03,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:08:03,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:08:03,663 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:08:03,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 07:08:03,916 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes.