./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d 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/goblint-regression/09-regions_24-evilcollapse_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:29:38,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:29:38,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:29:38,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:29:38,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:29:38,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:29:38,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:29:38,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:29:38,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:29:38,717 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:29:38,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:29:38,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:29:38,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:29:38,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:29:38,718 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:29:38,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:29:38,719 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:29:38,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:29:38,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:29:38,720 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:29:38,721 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:29:38,721 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:29:38,721 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:38,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:29:38,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:29:38,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:29:38,723 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2025-02-08 08:29:38,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:29:38,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:29:39,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:29:39,003 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:29:39,003 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:29:39,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 08:29:40,253 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08f36d610/ad6e95618c3e4040b293e6ed4c0a6bbd/FLAG1755d8e79 [2025-02-08 08:29:40,568 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:29:40,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 08:29:40,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08f36d610/ad6e95618c3e4040b293e6ed4c0a6bbd/FLAG1755d8e79 [2025-02-08 08:29:40,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08f36d610/ad6e95618c3e4040b293e6ed4c0a6bbd [2025-02-08 08:29:40,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:29:40,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:29:40,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:40,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:29:40,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:29:40,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:40" (1/1) ... [2025-02-08 08:29:40,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a4544d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:40, skipping insertion in model container [2025-02-08 08:29:40,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:40" (1/1) ... [2025-02-08 08:29:40,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:29:41,184 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:41,184 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:41,185 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:41,185 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:41,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:41,263 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) [2025-02-08 08:29:41,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@395f14f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:41, skipping insertion in model container [2025-02-08 08:29:41,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:41,266 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-02-08 08:29:41,270 INFO L158 Benchmark]: Toolchain (without parser) took 423.23ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 95.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:29:41,270 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:41,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.93ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 95.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:29:41,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.93ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 95.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: 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/goblint-regression/09-regions_24-evilcollapse_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:29:43,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:29:43,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-02-08 08:29:43,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:29:43,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:29:43,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:29:43,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:29:43,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:29:43,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:29:43,466 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:29:43,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:29:43,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:29:43,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:29:43,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:29:43,468 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:29:43,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 08:29:43,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:29:43,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:43,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:29:43,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:29:43,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:29:43,471 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2025-02-08 08:29:43,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:29:43,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:29:43,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:29:43,770 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:29:43,770 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:29:43,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 08:29:45,108 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74fbaf907/5b52caae3ddf42bda690611f6081667a/FLAGe9a02ff3a [2025-02-08 08:29:45,431 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:29:45,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 08:29:45,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74fbaf907/5b52caae3ddf42bda690611f6081667a/FLAGe9a02ff3a [2025-02-08 08:29:45,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74fbaf907/5b52caae3ddf42bda690611f6081667a [2025-02-08 08:29:45,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:29:45,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:29:45,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:45,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:29:45,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:29:45,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:45" (1/1) ... [2025-02-08 08:29:45,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7864be3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:45, skipping insertion in model container [2025-02-08 08:29:45,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:45" (1/1) ... [2025-02-08 08:29:45,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:29:45,881 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:45,882 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:45,883 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:45,884 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:45,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:45,955 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-02-08 08:29:45,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:29:46,011 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,011 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,011 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,012 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:46,057 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:29:46,108 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,109 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,109 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,111 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 08:29:46,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:46,223 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:29:46,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46 WrapperNode [2025-02-08 08:29:46,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:46,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:29:46,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:29:46,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:29:46,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,291 INFO L138 Inliner]: procedures = 276, calls = 101, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 206 [2025-02-08 08:29:46,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:29:46,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:29:46,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:29:46,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:29:46,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,334 INFO L175 MemorySlicer]: Split 86 memory accesses to 1 slices as follows [86]. 100 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [70]. The 10 writes are split as follows [10]. [2025-02-08 08:29:46,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,348 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:29:46,370 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:29:46,371 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:29:46,372 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:29:46,373 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (1/1) ... [2025-02-08 08:29:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:46,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:29:46,402 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) [2025-02-08 08:29:46,408 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 [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure f [2025-02-08 08:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 08:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 08:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:29:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:29:46,429 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:29:46,584 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:29:46,585 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:29:47,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~post18#1; [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: main_~j~1#1 := ~bvadd~32(1bv32, main_#t~post18#1); [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: assume { :end_inline_list_add } true;main_#t~post18#1 := main_~j~1#1; [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: havoc list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: havoc list_add_#t~mem3#1.base, list_add_#t~mem3#1.offset, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-6: assume { :end_inline_new } true;assume { :begin_inline_list_add } true;list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset := main_#t~ret17#1.base, ~bvadd~32(4bv32, main_#t~ret17#1.offset), ~#c~0.base, ~bvadd~32(~#c~0.offset, ~bvmul~32(8bv32, main_~i~0#1)); [2025-02-08 08:29:47,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-7: havoc new_#in~x#1; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-8: havoc new_#t~malloc2#1.base, new_#t~malloc2#1.offset, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-9: main_#t~ret17#1.base, main_#t~ret17#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: list_add_~head#1.base, list_add_~head#1.offset := list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: list_add_~new#1.base, list_add_~new#1.offset := list_add_#in~new#1.base, list_add_#in~new#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016: havoc list_add_#t~mem3#1.base, list_add_#t~mem3#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: list_add_~next~0#1.base, list_add_~next~0#1.offset := list_add_#t~mem3#1.base, list_add_#t~mem3#1.offset; [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-2: SUMMARY for call list_add_#t~mem3#1.base, list_add_#t~mem3#1.offset := read~$Pointer$#0(list_add_~head#1.base, list_add_~head#1.offset, 4bv32); srcloc: null [2025-02-08 08:29:47,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-2: assume !(1bv1 == #valid[list_add_~head#1.base]); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-2: assume !((~bvule~32(~bvadd~32(4bv32, list_add_~head#1.offset), #length[list_add_~head#1.base]) && ~bvule~32(list_add_~head#1.offset, ~bvadd~32(4bv32, list_add_~head#1.offset))) && ~bvule~32(0bv32, list_add_~head#1.offset)); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: assume { :end_inline_lookup1 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret20#1.base, main_#t~ret20#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-1: havoc lookup1_#in~d#1; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-2: havoc lookup1_#t~nondet4#1, lookup1_#t~mem5#1.base, lookup1_#t~mem5#1.offset, lookup1_~d#1, lookup1_~hvalue1~0#1, lookup1_~p~1#1.base, lookup1_~p~1#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-3: main_#t~ret20#1.base, main_#t~ret20#1.offset := lookup1_#res#1.base, lookup1_#res#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: SUMMARY for call write~$Pointer$#0(list_add_~new#1.base, list_add_~new#1.offset, list_add_~next~0#1.base, ~bvadd~32(4bv32, list_add_~next~0#1.offset), 4bv32); srcloc: null [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume !(1bv1 == #valid[list_add_~next~0#1.base]); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset)), #length[list_add_~next~0#1.base]) && ~bvule~32(~bvadd~32(4bv32, list_add_~next~0#1.offset), ~bvadd~32(4bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: SUMMARY for call write~$Pointer$#0(list_add_~next~0#1.base, list_add_~next~0#1.offset, list_add_~new#1.base, list_add_~new#1.offset, 4bv32); srcloc: null [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !(1bv1 == #valid[list_add_~new#1.base]); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !((~bvule~32(~bvadd~32(4bv32, list_add_~new#1.offset), #length[list_add_~new#1.base]) && ~bvule~32(list_add_~new#1.offset, ~bvadd~32(4bv32, list_add_~new#1.offset))) && ~bvule~32(0bv32, list_add_~new#1.offset)); [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068: assume { :end_inline_lookup2 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret21#1.base, main_#t~ret21#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-1: havoc lookup2_#in~d#1; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-2: havoc lookup2_#t~nondet6#1, lookup2_#t~mem7#1.base, lookup2_#t~mem7#1.offset, lookup2_~d#1, lookup2_~hvalue2~0#1, lookup2_~p~2#1.base, lookup2_~p~2#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-3: main_#t~ret21#1.base, main_#t~ret21#1.offset := lookup2_#res#1.base, lookup2_#res#1.offset; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 08:29:47,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: SUMMARY for call write~$Pointer$#0(list_add_~head#1.base, list_add_~head#1.offset, list_add_~new#1.base, ~bvadd~32(4bv32, list_add_~new#1.offset), 4bv32); srcloc: null [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume !(1bv1 == #valid[list_add_~new#1.base]); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(4bv32, list_add_~new#1.offset)), #length[list_add_~new#1.base]) && ~bvule~32(~bvadd~32(4bv32, list_add_~new#1.offset), ~bvadd~32(4bv32, ~bvadd~32(4bv32, list_add_~new#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069: havoc main_#t~nondet23#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-1: havoc main_#t~pre22#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-2: fork main_#t~pre22#1, 0bv32 f(0bv32, 0bv32); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-3: main_~t1~0#1 := main_#t~pre22#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-5: main_#t~pre22#1 := #pthreadsForks; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc list_add_#t~mem3#1.base, list_add_#t~mem3#1.offset, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: SUMMARY for call write~$Pointer$#0(list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, 4bv32); srcloc: null [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: assume !(1bv1 == #valid[list_add_~head#1.base]); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: assume !((~bvule~32(~bvadd~32(4bv32, list_add_~head#1.offset), #length[list_add_~head#1.base]) && ~bvule~32(list_add_~head#1.offset, ~bvadd~32(4bv32, list_add_~head#1.offset))) && ~bvule~32(0bv32, list_add_~head#1.offset)); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_#t~nondet25#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-1: havoc main_#t~pre24#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-2: fork main_#t~pre24#1, 0bv32, 0bv32 f(0bv32, 0bv32); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-3: main_~t2~0#1 := main_#t~pre24#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-5: main_#t~pre24#1 := #pthreadsForks; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1071: main_#res#1 := ~bvadd~32(main_~pp~0#1.base, main_~pp~0#1.offset); [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: assume #valid == main_old_#valid#1; [2025-02-08 08:29:47,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: assume !(#valid == main_old_#valid#1); [2025-02-08 08:29:47,349 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~nondet16#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_#t~post18#1, main_~j~1#1, main_#t~post19#1, main_~i~0#1, main_#t~ret20#1.base, main_#t~ret20#1.offset, main_#t~ret21#1.base, main_#t~ret21#1.offset, main_#t~pre22#1, main_#t~nondet23#1, main_#t~pre24#1, main_#t~nondet25#1, main_~x~0#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~t1~0#1, main_~t2~0#1;assume { :end_inline_main } true; [2025-02-08 08:29:47,349 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056-1: assume #valid == main_old_#valid#1; [2025-02-08 08:29:47,349 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret26#1 := main_#res#1; [2025-02-08 08:29:47,351 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:29:47,351 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:29:49,019 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:29:49,020 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:29:49,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:29:49 BoogieIcfgContainer [2025-02-08 08:29:49,020 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:29:49,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:29:49,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:29:49,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:29:49,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:29:45" (1/3) ... [2025-02-08 08:29:49,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410b365f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:29:49, skipping insertion in model container [2025-02-08 08:29:49,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:46" (2/3) ... [2025-02-08 08:29:49,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410b365f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:29:49, skipping insertion in model container [2025-02-08 08:29:49,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:29:49" (3/3) ... [2025-02-08 08:29:49,032 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2025-02-08 08:29:49,046 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:29:49,048 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_24-evilcollapse_nr.i that has 2 procedures, 49 locations, 1 initial locations, 4 loop locations, and 33 error locations. [2025-02-08 08:29:49,048 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:29:49,113 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 08:29:49,118 INFO L158 Benchmark]: Toolchain (without parser) took 3640.65ms. Allocated memory was 83.9MB in the beginning and 486.5MB in the end (delta: 402.7MB). Free memory was 57.8MB in the beginning and 444.3MB in the end (delta: -386.6MB). Peak memory consumption was 144.6MB. Max. memory is 16.1GB. [2025-02-08 08:29:49,119 INFO L158 Benchmark]: CDTParser took 2.11ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:49,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.33ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.9MB in the end (delta: 3.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2025-02-08 08:29:49,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.79ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 50.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:49,123 INFO L158 Benchmark]: Boogie Preprocessor took 77.57ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 46.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:29:49,123 INFO L158 Benchmark]: IcfgBuilder took 2650.20ms. Allocated memory was 83.9MB in the beginning and 243.3MB in the end (delta: 159.4MB). Free memory was 46.9MB in the beginning and 91.5MB in the end (delta: -44.6MB). Peak memory consumption was 137.1MB. Max. memory is 16.1GB. [2025-02-08 08:29:49,124 INFO L158 Benchmark]: TraceAbstraction took 93.55ms. Allocated memory was 243.3MB in the beginning and 486.5MB in the end (delta: 243.3MB). Free memory was 91.5MB in the beginning and 444.3MB in the end (delta: -352.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2025-02-08 08:29:49,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.33ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.9MB in the end (delta: 3.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.79ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 50.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.57ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 46.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2650.20ms. Allocated memory was 83.9MB in the beginning and 243.3MB in the end (delta: 159.4MB). Free memory was 46.9MB in the beginning and 91.5MB in the end (delta: -44.6MB). Peak memory consumption was 137.1MB. Max. memory is 16.1GB. * TraceAbstraction took 93.55ms. Allocated memory was 243.3MB in the beginning and 486.5MB in the end (delta: 243.3MB). Free memory was 91.5MB in the beginning and 444.3MB in the end (delta: -352.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 08:29:49,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null