./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:53:49,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:53:49,447 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-01-09 21:53:49,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:53:49,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:53:49,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:53:49,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:53:49,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:53:49,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 21:53:49,477 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 21:53:49,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:53:49,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:53:49,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:53:49,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:53:49,479 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:53:49,480 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:53:49,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:53:49,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:53:49,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:53:49,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:53:49,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:53:49,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:53:49,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:53:49,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:53:49,483 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2025-01-09 21:53:49,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:53:49,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:53:49,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:53:49,710 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:53:49,710 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:53:49,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-01-09 21:53:50,814 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a331c0156/ce59cb84d65a4ea4bcae777e541d1d0e/FLAG6118c961a [2025-01-09 21:53:51,129 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:53:51,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-01-09 21:53:51,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a331c0156/ce59cb84d65a4ea4bcae777e541d1d0e/FLAG6118c961a [2025-01-09 21:53:51,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a331c0156/ce59cb84d65a4ea4bcae777e541d1d0e [2025-01-09 21:53:51,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:53:51,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:53:51,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:53:51,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:53:51,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:53:51,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:53:51" (1/1) ... [2025-01-09 21:53:51,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1689b7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:51, skipping insertion in model container [2025-01-09 21:53:51,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:53:51" (1/1) ... [2025-01-09 21:53:51,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:53:51,433 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,463 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,465 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,469 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,473 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,494 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,494 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,495 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,495 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,497 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,498 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,499 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,499 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:51,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:53:51,520 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) [2025-01-09 21:53:51,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b815012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:51, skipping insertion in model container [2025-01-09 21:53:51,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:53:51,521 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-01-09 21:53:51,522 INFO L158 Benchmark]: Toolchain (without parser) took 357.29ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 91.4MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:53:51,522 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:53:51,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.42ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 91.4MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:53:51,525 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 226.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.42ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 91.4MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:53:53,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:53:53,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-01-09 21:53:53,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:53:53,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:53:53,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:53:53,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:53:53,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:53:53,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 21:53:53,220 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 21:53:53,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:53:53,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:53:53,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:53:53,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:53:53,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:53:53,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:53:53,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:53:53,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:53:53,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:53:53,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:53:53,223 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2025-01-09 21:53:53,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:53:53,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:53:53,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:53:53,449 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:53:53,449 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:53:53,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-01-09 21:53:54,621 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44a936c0c/15b8cced05d3461ca12fd93a90fdfb09/FLAG43f7c6cba [2025-01-09 21:53:54,876 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:53:54,879 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2025-01-09 21:53:54,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44a936c0c/15b8cced05d3461ca12fd93a90fdfb09/FLAG43f7c6cba [2025-01-09 21:53:55,188 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44a936c0c/15b8cced05d3461ca12fd93a90fdfb09 [2025-01-09 21:53:55,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:53:55,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:53:55,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:53:55,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:53:55,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:53:55,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549975e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55, skipping insertion in model container [2025-01-09 21:53:55,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:53:55,461 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,483 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,486 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,489 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,497 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,532 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,532 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,534 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,535 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,536 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,538 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,539 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,540 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:53:55,567 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-01-09 21:53:55,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:53:55,612 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,626 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,632 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,633 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,636 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,647 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,647 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,648 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,649 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,650 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,650 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,650 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,651 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 21:53:55,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:53:55,657 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:53:55,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:53:55,741 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:53:55,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55 WrapperNode [2025-01-09 21:53:55,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:53:55,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:53:55,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:53:55,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:53:55,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,812 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 976 [2025-01-09 21:53:55,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:53:55,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:53:55,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:53:55,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:53:55,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,877 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-01-09 21:53:55,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,913 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:53:55,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:53:55,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:53:55,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:53:55,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (1/1) ... [2025-01-09 21:53:55,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:53:55,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:53:55,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:53:55,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-09 21:53:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 21:53:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 21:53:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 21:53:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 21:53:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 21:53:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 21:53:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 21:53:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 21:53:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 21:53:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 21:53:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 21:53:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-01-09 21:53:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 21:53:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:53:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:53:56,173 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:53:56,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:54:03,032 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-01-09 21:54:03,032 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:54:03,041 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:54:03,042 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2025-01-09 21:54:03,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:54:03 BoogieIcfgContainer [2025-01-09 21:54:03,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:54:03,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:54:03,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:54:03,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:54:03,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:53:55" (1/3) ... [2025-01-09 21:54:03,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7e1b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:54:03, skipping insertion in model container [2025-01-09 21:54:03,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:53:55" (2/3) ... [2025-01-09 21:54:03,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7e1b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:54:03, skipping insertion in model container [2025-01-09 21:54:03,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:54:03" (3/3) ... [2025-01-09 21:54:03,051 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2025-01-09 21:54:03,062 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:54:03,063 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test8-1.i that has 7 procedures, 243 locations, 1 initial locations, 37 loop locations, and 2 error locations. [2025-01-09 21:54:03,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:54:03,099 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;@10db17f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:54:03,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 21:54:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 206 states have (on average 1.6553398058252426) internal successors, (341), 225 states have internal predecessors, (341), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 21:54:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-09 21:54:03,107 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:03,108 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:03,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:03,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1624912129, now seen corresponding path program 1 times [2025-01-09 21:54:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148311073] [2025-01-09 21:54:03,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:03,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:03,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:03,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:03,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 21:54:03,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 21:54:03,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 21:54:03,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:03,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:03,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 21:54:03,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:54:03,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:03,283 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:03,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148311073] [2025-01-09 21:54:03,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148311073] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:03,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:03,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:54:03,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044902875] [2025-01-09 21:54:03,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:03,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:54:03,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:03,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:54:03,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:54:03,306 INFO L87 Difference]: Start difference. First operand has 235 states, 206 states have (on average 1.6553398058252426) internal successors, (341), 225 states have internal predecessors, (341), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:54:03,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:03,336 INFO L93 Difference]: Finished difference Result 233 states and 318 transitions. [2025-01-09 21:54:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:54:03,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-09 21:54:03,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:03,345 INFO L225 Difference]: With dead ends: 233 [2025-01-09 21:54:03,345 INFO L226 Difference]: Without dead ends: 231 [2025-01-09 21:54:03,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:54:03,350 INFO L435 NwaCegarLoop]: 318 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, 318 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 [2025-01-09 21:54:03,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 21:54:03,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-01-09 21:54:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-01-09 21:54:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 204 states have (on average 1.3431372549019607) internal successors, (274), 221 states have internal predecessors, (274), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 21:54:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 316 transitions. [2025-01-09 21:54:03,390 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 316 transitions. Word has length 7 [2025-01-09 21:54:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:03,390 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 316 transitions. [2025-01-09 21:54:03,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:54:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 316 transitions. [2025-01-09 21:54:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-09 21:54:03,392 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:03,392 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:03,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 21:54:03,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:03,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:03,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:03,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1590834173, now seen corresponding path program 1 times [2025-01-09 21:54:03,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:03,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747630894] [2025-01-09 21:54:03,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:03,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:03,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:03,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:03,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 21:54:03,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-09 21:54:03,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-09 21:54:03,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:03,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:03,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 21:54:03,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:03,737 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 21:54:03,739 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 21:54:03,739 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 21:54:03,747 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 [2025-01-09 21:54:03,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-09 21:54:03,807 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 [2025-01-09 21:54:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:54:03,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:03,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:03,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747630894] [2025-01-09 21:54:03,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747630894] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:03,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:03,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:54:03,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293198476] [2025-01-09 21:54:03,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:03,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:54:03,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:03,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:54:03,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:54:03,822 INFO L87 Difference]: Start difference. First operand 231 states and 316 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:54:04,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:04,260 INFO L93 Difference]: Finished difference Result 411 states and 553 transitions. [2025-01-09 21:54:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:54:04,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-09 21:54:04,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:04,262 INFO L225 Difference]: With dead ends: 411 [2025-01-09 21:54:04,262 INFO L226 Difference]: Without dead ends: 411 [2025-01-09 21:54:04,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:54:04,263 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 223 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 21:54:04,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 879 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 21:54:04,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-01-09 21:54:04,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 233. [2025-01-09 21:54:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 206 states have (on average 1.3398058252427185) internal successors, (276), 223 states have internal predecessors, (276), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 21:54:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 318 transitions. [2025-01-09 21:54:04,280 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 318 transitions. Word has length 9 [2025-01-09 21:54:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:04,280 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 318 transitions. [2025-01-09 21:54:04,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:54:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 318 transitions. [2025-01-09 21:54:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-09 21:54:04,281 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:04,281 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:04,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 21:54:04,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:04,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:04,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:04,486 INFO L85 PathProgramCache]: Analyzing trace with hash 830715985, now seen corresponding path program 1 times [2025-01-09 21:54:04,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:04,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192315435] [2025-01-09 21:54:04,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:04,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:04,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:04,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:04,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 21:54:04,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-09 21:54:04,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-09 21:54:04,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:04,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:04,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:54:04,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:54:04,986 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:04,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:04,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192315435] [2025-01-09 21:54:04,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192315435] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:04,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:04,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:54:04,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662244186] [2025-01-09 21:54:04,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:04,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:54:04,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:04,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:54:04,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:54:04,988 INFO L87 Difference]: Start difference. First operand 233 states and 318 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2025-01-09 21:54:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:05,347 INFO L93 Difference]: Finished difference Result 344 states and 463 transitions. [2025-01-09 21:54:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:54:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 67 [2025-01-09 21:54:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:05,349 INFO L225 Difference]: With dead ends: 344 [2025-01-09 21:54:05,349 INFO L226 Difference]: Without dead ends: 344 [2025-01-09 21:54:05,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:54:05,350 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 103 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 21:54:05,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 655 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 21:54:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-01-09 21:54:05,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 339. [2025-01-09 21:54:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 311 states have (on average 1.3344051446945338) internal successors, (415), 328 states have internal predecessors, (415), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-09 21:54:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 459 transitions. [2025-01-09 21:54:05,360 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 459 transitions. Word has length 67 [2025-01-09 21:54:05,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:05,360 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 459 transitions. [2025-01-09 21:54:05,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2025-01-09 21:54:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 459 transitions. [2025-01-09 21:54:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-09 21:54:05,361 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:05,361 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:05,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 21:54:05,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:05,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:05,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:05,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1126980817, now seen corresponding path program 1 times [2025-01-09 21:54:05,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:05,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768323880] [2025-01-09 21:54:05,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:05,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:05,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 21:54:05,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-09 21:54:05,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-09 21:54:05,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:05,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:05,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:54:05,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 21:54:05,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:05,874 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:05,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768323880] [2025-01-09 21:54:05,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768323880] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:05,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:05,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:54:05,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123389330] [2025-01-09 21:54:05,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:05,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:54:05,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:05,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:54:05,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:54:05,876 INFO L87 Difference]: Start difference. First operand 339 states and 459 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:05,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:05,978 INFO L93 Difference]: Finished difference Result 379 states and 499 transitions. [2025-01-09 21:54:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:54:05,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-01-09 21:54:05,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:05,980 INFO L225 Difference]: With dead ends: 379 [2025-01-09 21:54:05,980 INFO L226 Difference]: Without dead ends: 379 [2025-01-09 21:54:05,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:54:05,980 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 8 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 577 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 [2025-01-09 21:54:05,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 577 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:54:05,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-01-09 21:54:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2025-01-09 21:54:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 351 states have (on average 1.2962962962962963) internal successors, (455), 368 states have internal predecessors, (455), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-09 21:54:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 499 transitions. [2025-01-09 21:54:05,998 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 499 transitions. Word has length 82 [2025-01-09 21:54:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:05,999 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 499 transitions. [2025-01-09 21:54:05,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 499 transitions. [2025-01-09 21:54:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-09 21:54:06,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:06,002 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:06,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 21:54:06,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:06,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash 566281039, now seen corresponding path program 1 times [2025-01-09 21:54:06,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884113938] [2025-01-09 21:54:06,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:06,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:06,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:06,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:06,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 21:54:06,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-09 21:54:06,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-09 21:54:06,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:06,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:06,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:54:06,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 21:54:06,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:06,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884113938] [2025-01-09 21:54:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884113938] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:06,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:06,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:54:06,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038521438] [2025-01-09 21:54:06,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:06,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:54:06,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:06,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:54:06,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:54:06,513 INFO L87 Difference]: Start difference. First operand 379 states and 499 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:06,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:06,589 INFO L93 Difference]: Finished difference Result 345 states and 443 transitions. [2025-01-09 21:54:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:54:06,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-01-09 21:54:06,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:06,591 INFO L225 Difference]: With dead ends: 345 [2025-01-09 21:54:06,591 INFO L226 Difference]: Without dead ends: 345 [2025-01-09 21:54:06,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 21:54:06,591 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 32 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 838 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 [2025-01-09 21:54:06,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 838 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:54:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-01-09 21:54:06,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2025-01-09 21:54:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 317 states have (on average 1.2586750788643533) internal successors, (399), 334 states have internal predecessors, (399), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-09 21:54:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 443 transitions. [2025-01-09 21:54:06,599 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 443 transitions. Word has length 82 [2025-01-09 21:54:06,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:06,599 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 443 transitions. [2025-01-09 21:54:06,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 443 transitions. [2025-01-09 21:54:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-09 21:54:06,600 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:06,600 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:06,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-09 21:54:06,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:06,801 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:06,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1691151523, now seen corresponding path program 1 times [2025-01-09 21:54:06,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:06,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784324837] [2025-01-09 21:54:06,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:06,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:06,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:06,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:06,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 21:54:06,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-09 21:54:07,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-09 21:54:07,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:07,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:07,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 21:54:07,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 21:54:07,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 21:54:07,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:07,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784324837] [2025-01-09 21:54:07,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784324837] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:54:07,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:54:07,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:54:07,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620720479] [2025-01-09 21:54:07,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:54:07,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:54:07,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:07,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:54:07,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:54:07,114 INFO L87 Difference]: Start difference. First operand 345 states and 443 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:07,148 INFO L93 Difference]: Finished difference Result 348 states and 447 transitions. [2025-01-09 21:54:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 21:54:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2025-01-09 21:54:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:07,150 INFO L225 Difference]: With dead ends: 348 [2025-01-09 21:54:07,151 INFO L226 Difference]: Without dead ends: 348 [2025-01-09 21:54:07,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:54:07,151 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 0 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 21:54:07,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 902 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 21:54:07,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-01-09 21:54:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2025-01-09 21:54:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 319 states have (on average 1.2601880877742946) internal successors, (402), 337 states have internal predecessors, (402), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2025-01-09 21:54:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 447 transitions. [2025-01-09 21:54:07,159 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 447 transitions. Word has length 82 [2025-01-09 21:54:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:07,159 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 447 transitions. [2025-01-09 21:54:07,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 21:54:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 447 transitions. [2025-01-09 21:54:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-09 21:54:07,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:07,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:07,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-09 21:54:07,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:07,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:07,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1139350043, now seen corresponding path program 1 times [2025-01-09 21:54:07,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:07,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254647134] [2025-01-09 21:54:07,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:54:07,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:07,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:07,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:07,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 21:54:07,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 21:54:07,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 21:54:07,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:54:07,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:54:07,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 21:54:07,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 21:54:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 21:54:07,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 21:54:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 21:54:07,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 21:54:07,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254647134] [2025-01-09 21:54:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254647134] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 21:54:07,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 21:54:07,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-09 21:54:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88624788] [2025-01-09 21:54:07,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 21:54:07,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:54:07,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 21:54:07,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:54:07,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:54:07,790 INFO L87 Difference]: Start difference. First operand 348 states and 447 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 21:54:07,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 21:54:07,944 INFO L93 Difference]: Finished difference Result 359 states and 464 transitions. [2025-01-09 21:54:07,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 21:54:07,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 84 [2025-01-09 21:54:07,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 21:54:07,946 INFO L225 Difference]: With dead ends: 359 [2025-01-09 21:54:07,946 INFO L226 Difference]: Without dead ends: 359 [2025-01-09 21:54:07,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-01-09 21:54:07,948 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 5 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 21:54:07,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 902 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 21:54:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-01-09 21:54:07,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2025-01-09 21:54:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 327 states have (on average 1.27217125382263) internal successors, (416), 345 states have internal predecessors, (416), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2025-01-09 21:54:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 462 transitions. [2025-01-09 21:54:07,959 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 462 transitions. Word has length 84 [2025-01-09 21:54:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 21:54:07,959 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 462 transitions. [2025-01-09 21:54:07,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 21:54:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 462 transitions. [2025-01-09 21:54:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-09 21:54:07,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 21:54:07,960 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:54:07,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-09 21:54:08,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:08,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-01-09 21:54:08,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:54:08,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1237742915, now seen corresponding path program 2 times [2025-01-09 21:54:08,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 21:54:08,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467952092] [2025-01-09 21:54:08,162 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:54:08,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 21:54:08,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:54:08,164 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 21:54:08,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-09 21:54:08,350 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes.