./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/loops-crafted-1/net_reset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc 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/loops-crafted-1/net_reset.c -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 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 10:44:05,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 10:44:05,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 10:44:05,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 10:44:05,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 10:44:05,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 10:44:05,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 10:44:05,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 10:44:05,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 10:44:05,367 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 10:44:05,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 10:44:05,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 10:44:05,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 10:44:05,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 10:44:05,368 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 10:44:05,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 10:44:05,369 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 10:44:05,370 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 10:44:05,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 10:44:05,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 10:44:05,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 10:44:05,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 10:44:05,372 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 -> 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 [2025-02-06 10:44:05,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 10:44:05,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 10:44:05,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 10:44:05,646 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 10:44:05,647 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 10:44:05,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/net_reset.c [2025-02-06 10:44:06,903 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70bf07c5e/8f7fe6d4514146178e46c85c8c5a7cfc/FLAG2b015d91b [2025-02-06 10:44:07,191 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 10:44:07,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c [2025-02-06 10:44:07,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70bf07c5e/8f7fe6d4514146178e46c85c8c5a7cfc/FLAG2b015d91b [2025-02-06 10:44:07,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70bf07c5e/8f7fe6d4514146178e46c85c8c5a7cfc [2025-02-06 10:44:07,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 10:44:07,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 10:44:07,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 10:44:07,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 10:44:07,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 10:44:07,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 10:44:07" (1/1) ... [2025-02-06 10:44:07,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38864d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:07, skipping insertion in model container [2025-02-06 10:44:07,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 10:44:07" (1/1) ... [2025-02-06 10:44:07,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 10:44:07,424 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:44:07,426 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:44:07,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 10:44:08,628 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 10:44:08,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 10:44:09,610 INFO L204 MainTranslator]: Completed translation [2025-02-06 10:44:09,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09 WrapperNode [2025-02-06 10:44:09,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 10:44:09,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 10:44:09,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 10:44:09,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 10:44:09,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:10,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:12,151 INFO L138 Inliner]: procedures = 18, calls = 92196, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92252 [2025-02-06 10:44:12,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 10:44:12,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 10:44:12,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 10:44:12,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 10:44:12,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:12,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:12,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:13,164 INFO L175 MemorySlicer]: Split 92179 memory accesses to 4 slices as follows [2, 92160, 16, 1]. 100 percent of accesses are in the largest equivalence class. The 92178 initializations are split as follows [2, 92160, 16, 0]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-02-06 10:44:13,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:13,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 10:44:14,953 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 10:44:14,953 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 10:44:14,953 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 10:44:14,954 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:44:09" (1/1) ... [2025-02-06 10:44:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 10:44:14,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 10:44:14,983 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) [2025-02-06 10:44:14,985 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 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 10:44:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 10:44:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 10:44:15,098 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 10:44:15,099 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation