./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml -i ../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:07:08,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:07:08,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:07:08,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:07:08,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:07:08,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:07:08,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:07:08,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:07:08,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:07:08,245 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:07:08,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:07:08,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:07:08,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:07:08,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:07:08,247 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:07:08,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:07:08,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:07:08,247 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:07:08,248 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:07:08,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:07:08,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:07:08,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:07:08,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:07:08,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:07:08,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:07:08,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:07:08,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:07:08,250 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 ! overflow) ) 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 -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2025-02-08 09:07:08,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:07:08,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:07:08,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:07:08,475 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:07:08,475 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:07:08,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2025-02-08 09:07:09,598 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba94d0634/7224d09f22ce4f24b48253bc746cafd6/FLAGbded620e8 [2025-02-08 09:07:09,857 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:07:09,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2025-02-08 09:07:09,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba94d0634/7224d09f22ce4f24b48253bc746cafd6/FLAGbded620e8 [2025-02-08 09:07:10,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba94d0634/7224d09f22ce4f24b48253bc746cafd6 [2025-02-08 09:07:10,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:07:10,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:07:10,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:07:10,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:07:10,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:07:10,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a9161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10, skipping insertion in model container [2025-02-08 09:07:10,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:07:10,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:07:10,451 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:07:10,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:07:10,513 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:07:10,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10 WrapperNode [2025-02-08 09:07:10,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:07:10,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:07:10,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:07:10,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:07:10,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,549 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 328 [2025-02-08 09:07:10,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:07:10,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:07:10,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:07:10,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:07:10,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,588 INFO L175 MemorySlicer]: Split 66 memory accesses to 3 slices as follows [2, 54, 10]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 11 writes are split as follows [0, 6, 5]. [2025-02-08 09:07:10,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:07:10,605 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:07:10,605 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:07:10,605 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:07:10,611 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (1/1) ... [2025-02-08 09:07:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:07:10,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:07:10,634 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 09:07:10,636 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 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 09:07:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 09:07:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:07:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:07:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure append [2025-02-08 09:07:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2025-02-08 09:07:10,763 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:07:10,764 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:07:10,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-1: assume !(0 == main_#t~ret77#1);havoc main_#t~ret77#1; [2025-02-08 09:07:10,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-1: assume 0 == main_#t~ret77#1;havoc main_#t~ret77#1;call main_#t~mem78#1.base, main_#t~mem78#1.offset := read~$Pointer$#1(main_~cursor~0#1.base, 5 + main_~cursor~0#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem78#1.base, main_#t~mem78#1.offset;havoc main_#t~mem78#1.base, main_#t~mem78#1.offset;call ULTIMATE.dealloc(main_~cursor~0#1.base, main_~cursor~0#1.offset);main_~cursor~0#1.base, main_~cursor~0#1.offset := main_~next~0#1.base, main_~next~0#1.offset; [2025-02-08 09:07:10,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L555: havoc containsBody_#t~mem29#1;havoc containsBody_#t~mem30#1.base, containsBody_#t~mem30#1.offset;havoc containsBody_#t~mem31#1;havoc containsBody_#t~short32#1;havoc containsBody_#t~mem33#1.base, containsBody_#t~mem33#1.offset;havoc containsBody_#t~mem34#1.base, containsBody_#t~mem34#1.offset;havoc containsBody_#t~mem35#1;havoc containsBody_#t~short36#1;havoc containsBody_#t~mem37#1.base, containsBody_#t~mem37#1.offset;havoc containsBody_#t~mem38#1.base, containsBody_#t~mem38#1.offset;havoc containsBody_#t~mem39#1.base, containsBody_#t~mem39#1.offset;havoc containsBody_#t~mem40#1;havoc containsBody_#t~short41#1;havoc containsBody_#t~mem42#1.base, containsBody_#t~mem42#1.offset;havoc containsBody_#t~mem43#1.base, containsBody_#t~mem43#1.offset;havoc containsBody_#t~mem44#1.base, containsBody_#t~mem44#1.offset;havoc containsBody_#t~mem45#1.base, containsBody_#t~mem45#1.offset;havoc containsBody_#t~mem46#1;havoc containsBody_#t~short47#1;havoc containsBody_#t~mem48#1.base, containsBody_#t~mem48#1.offset;havoc containsBody_#t~mem49#1.base, containsBody_#t~mem49#1.offset;havoc containsBody_#t~mem50#1.base, containsBody_#t~mem50#1.offset;havoc containsBody_#t~mem51#1.base, containsBody_#t~mem51#1.offset;havoc containsBody_#t~mem52#1.base, containsBody_#t~mem52#1.offset;havoc containsBody_#t~mem53#1;havoc containsBody_#t~short54#1;main_#t~ret77#1 := containsBody_#res#1;havoc containsBody_#t~mem29#1, containsBody_#t~mem30#1.base, containsBody_#t~mem30#1.offset, containsBody_#t~mem31#1, containsBody_#t~short32#1, containsBody_#t~mem33#1.base, containsBody_#t~mem33#1.offset, containsBody_#t~mem34#1.base, containsBody_#t~mem34#1.offset, containsBody_#t~mem35#1, containsBody_#t~short36#1, containsBody_#t~mem37#1.base, containsBody_#t~mem37#1.offset, containsBody_#t~mem38#1.base, containsBody_#t~mem38#1.offset, containsBody_#t~mem39#1.base, containsBody_#t~mem39#1.offset, containsBody_#t~mem40#1, containsBody_#t~short41#1, containsBody_#t~mem42#1.base, containsBody_#t~mem42#1.offset, containsBody_#t~mem43#1.base, containsBody_#t~mem43#1.offset, containsBody_#t~mem44#1.base, containsBody_#t~mem44#1.offset, containsBody_#t~mem45#1.base, containsBody_#t~mem45#1.offset, containsBody_#t~mem46#1, containsBody_#t~short47#1, containsBody_#t~mem48#1.base, containsBody_#t~mem48#1.offset, containsBody_#t~mem49#1.base, containsBody_#t~mem49#1.offset, containsBody_#t~mem50#1.base, containsBody_#t~mem50#1.offset, containsBody_#t~mem51#1.base, containsBody_#t~mem51#1.offset, containsBody_#t~mem52#1.base, containsBody_#t~mem52#1.offset, containsBody_#t~mem53#1, containsBody_#t~short54#1, containsBody_~cursor#1.base, containsBody_~cursor#1.offset;havoc containsBody_#in~cursor#1.base, containsBody_#in~cursor#1.offset;assume { :end_inline_containsBody } true;assume -2147483648 <= main_#t~ret77#1 && main_#t~ret77#1 <= 2147483647; [2025-02-08 09:07:10,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc containsHead_#t~mem3#1;havoc containsHead_#t~mem4#1.base, containsHead_#t~mem4#1.offset;havoc containsHead_#t~mem5#1;havoc containsHead_#t~short6#1;havoc containsHead_#t~mem7#1.base, containsHead_#t~mem7#1.offset;havoc containsHead_#t~mem8#1.base, containsHead_#t~mem8#1.offset;havoc containsHead_#t~mem9#1;havoc containsHead_#t~short10#1;havoc containsHead_#t~mem11#1.base, containsHead_#t~mem11#1.offset;havoc containsHead_#t~mem12#1.base, containsHead_#t~mem12#1.offset;havoc containsHead_#t~mem13#1.base, containsHead_#t~mem13#1.offset;havoc containsHead_#t~mem14#1;havoc containsHead_#t~short15#1;havoc containsHead_#t~mem16#1.base, containsHead_#t~mem16#1.offset;havoc containsHead_#t~mem17#1.base, containsHead_#t~mem17#1.offset;havoc containsHead_#t~mem18#1.base, containsHead_#t~mem18#1.offset;havoc containsHead_#t~mem19#1.base, containsHead_#t~mem19#1.offset;havoc containsHead_#t~mem20#1;havoc containsHead_#t~short21#1;havoc containsHead_#t~mem22#1.base, containsHead_#t~mem22#1.offset;havoc containsHead_#t~mem23#1.base, containsHead_#t~mem23#1.offset;havoc containsHead_#t~mem24#1.base, containsHead_#t~mem24#1.offset;havoc containsHead_#t~mem25#1.base, containsHead_#t~mem25#1.offset;havoc containsHead_#t~mem26#1.base, containsHead_#t~mem26#1.offset;havoc containsHead_#t~mem27#1;havoc containsHead_#t~short28#1;main_#t~ret73#1 := containsHead_#res#1;havoc containsHead_#t~mem3#1, containsHead_#t~mem4#1.base, containsHead_#t~mem4#1.offset, containsHead_#t~mem5#1, containsHead_#t~short6#1, containsHead_#t~mem7#1.base, containsHead_#t~mem7#1.offset, containsHead_#t~mem8#1.base, containsHead_#t~mem8#1.offset, containsHead_#t~mem9#1, containsHead_#t~short10#1, containsHead_#t~mem11#1.base, containsHead_#t~mem11#1.offset, containsHead_#t~mem12#1.base, containsHead_#t~mem12#1.offset, containsHead_#t~mem13#1.base, containsHead_#t~mem13#1.offset, containsHead_#t~mem14#1, containsHead_#t~short15#1, containsHead_#t~mem16#1.base, containsHead_#t~mem16#1.offset, containsHead_#t~mem17#1.base, containsHead_#t~mem17#1.offset, containsHead_#t~mem18#1.base, containsHead_#t~mem18#1.offset, containsHead_#t~mem19#1.base, containsHead_#t~mem19#1.offset, containsHead_#t~mem20#1, containsHead_#t~short21#1, containsHead_#t~mem22#1.base, containsHead_#t~mem22#1.offset, containsHead_#t~mem23#1.base, containsHead_#t~mem23#1.offset, containsHead_#t~mem24#1.base, containsHead_#t~mem24#1.offset, containsHead_#t~mem25#1.base, containsHead_#t~mem25#1.offset, containsHead_#t~mem26#1.base, containsHead_#t~mem26#1.offset, containsHead_#t~mem27#1, containsHead_#t~short28#1, containsHead_~cursor#1.base, containsHead_~cursor#1.offset;havoc containsHead_#in~cursor#1.base, containsHead_#in~cursor#1.offset;assume { :end_inline_containsHead } true;assume -2147483648 <= main_#t~ret73#1 && main_#t~ret73#1 <= 2147483647; [2025-02-08 09:07:10,984 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-1: assume !(0 == main_#t~ret73#1);havoc main_#t~ret73#1; [2025-02-08 09:07:10,984 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-1: assume 0 == main_#t~ret73#1;havoc main_#t~ret73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$#1(main_~cursor~0#1.base, 5 + main_~cursor~0#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;call ULTIMATE.dealloc(main_~cursor~0#1.base, main_~cursor~0#1.offset);main_~cursor~0#1.base, main_~cursor~0#1.offset := main_~next~0#1.base, main_~next~0#1.offset; [2025-02-08 09:07:11,048 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2025-02-08 09:07:11,048 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:07:11,055 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:07:11,055 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:07:11,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:11 BoogieIcfgContainer [2025-02-08 09:07:11,055 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:07:11,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:07:11,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:07:11,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:07:11,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:07:10" (1/3) ... [2025-02-08 09:07:11,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102a3f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:07:11, skipping insertion in model container [2025-02-08 09:07:11,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:10" (2/3) ... [2025-02-08 09:07:11,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102a3f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:07:11, skipping insertion in model container [2025-02-08 09:07:11,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:11" (3/3) ... [2025-02-08 09:07:11,061 INFO L128 eAbstractionObserver]: Analyzing ICFG split_list_test05-2.i [2025-02-08 09:07:11,074 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:07:11,075 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG split_list_test05-2.i that has 2 procedures, 73 locations, 1 initial locations, 11 loop locations, and 4 error locations. [2025-02-08 09:07:11,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:07:11,121 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=LoopHeads, 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;@110c7052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:07:11,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 09:07:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 50 states have (on average 1.6) internal successors, (80), 58 states have internal predecessors, (80), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:07:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:07:11,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:07:11,133 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:07:11,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:07:11,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:07:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1983493620, now seen corresponding path program 1 times [2025-02-08 09:07:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:07:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138019582] [2025-02-08 09:07:11,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:07:11,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:07:11,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:07:11,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:07:11,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:07:11,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:07:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-08 09:07:11,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:07:11,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138019582] [2025-02-08 09:07:11,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138019582] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:07:11,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:07:11,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:07:11,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440179898] [2025-02-08 09:07:11,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:07:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:07:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:07:11,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:07:11,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:07:11,579 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.6) internal successors, (80), 58 states have internal predecessors, (80), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-08 09:07:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:07:11,593 INFO L93 Difference]: Finished difference Result 113 states and 176 transitions. [2025-02-08 09:07:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:07:11,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2025-02-08 09:07:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:07:11,597 INFO L225 Difference]: With dead ends: 113 [2025-02-08 09:07:11,597 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:07:11,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:07:11,603 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2025-02-08 09:07:11,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:07:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:07:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:07:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-02-08 09:07:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:07:11,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2025-02-08 09:07:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:07:11,623 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:07:11,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-08 09:07:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:07:11,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:07:11,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 09:07:11,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 09:07:11,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 09:07:11,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 09:07:11,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:07:11,627 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 09:07:11,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:07:11,662 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:07:11,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:07:11 BoogieIcfgContainer [2025-02-08 09:07:11,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:07:11,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:07:11,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:07:11,673 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:07:11,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:11" (3/4) ... [2025-02-08 09:07:11,675 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:07:11,677 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure append [2025-02-08 09:07:11,682 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-08 09:07:11,683 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 09:07:11,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:07:11,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:07:11,760 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:07:11,761 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:07:11,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:07:11,762 INFO L158 Benchmark]: Toolchain (without parser) took 1589.45ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 82.6MB in the end (delta: 49.2MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2025-02-08 09:07:11,762 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:11,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.21ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 112.7MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:07:11,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:07:11,764 INFO L158 Benchmark]: Boogie Preprocessor took 54.56ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 106.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:11,764 INFO L158 Benchmark]: IcfgBuilder took 450.05ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 77.6MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 09:07:11,764 INFO L158 Benchmark]: TraceAbstraction took 615.22ms. Allocated memory is still 167.8MB. Free memory was 77.1MB in the beginning and 91.8MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:11,765 INFO L158 Benchmark]: Witness Printer took 88.33ms. Allocated memory is still 167.8MB. Free memory was 90.9MB in the beginning and 82.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:07:11,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.21ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 112.7MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.56ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 106.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 450.05ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 77.6MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 615.22ms. Allocated memory is still 167.8MB. Free memory was 77.1MB in the beginning and 91.8MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.33ms. Allocated memory is still 167.8MB. Free memory was 90.9MB in the beginning and 82.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 330/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 634]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 619]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 629]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 624]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-08 09:07:11,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE