./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.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/list-simple/sll2n_update_all.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 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:10:33,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:10:33,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:10:33,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:10:33,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:10:33,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:10:33,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:10:33,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:10:33,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:10:33,899 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:10:33,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:10:33,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:10:33,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:10:33,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:10:33,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:10:33,900 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:10:33,901 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:10:33,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:10:33,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:10:33,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:10:33,902 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 -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2025-02-08 09:10:34,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:10:34,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:10:34,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:10:34,144 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:10:34,144 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:10:34,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2025-02-08 09:10:35,320 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c235b5760/739f391f01784338b24f9614b670c209/FLAG8ff21b317 [2025-02-08 09:10:35,600 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:10:35,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2025-02-08 09:10:35,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c235b5760/739f391f01784338b24f9614b670c209/FLAG8ff21b317 [2025-02-08 09:10:35,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c235b5760/739f391f01784338b24f9614b670c209 [2025-02-08 09:10:35,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:10:35,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:10:35,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:10:35,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:10:35,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:10:35,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:10:35" (1/1) ... [2025-02-08 09:10:35,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67682a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:35, skipping insertion in model container [2025-02-08 09:10:35,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:10:35" (1/1) ... [2025-02-08 09:10:35,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:10:36,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:10:36,195 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:10:36,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:10:36,253 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:10:36,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36 WrapperNode [2025-02-08 09:10:36,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:10:36,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:10:36,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:10:36,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:10:36,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,283 INFO L138 Inliner]: procedures = 126, calls = 23, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 120 [2025-02-08 09:10:36,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:10:36,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:10:36,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:10:36,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:10:36,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,303 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2025-02-08 09:10:36,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:10:36,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:10:36,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:10:36,316 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:10:36,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (1/1) ... [2025-02-08 09:10:36,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:10:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:36,343 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 09:10:36,346 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 09:10:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 09:10:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 09:10:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 09:10:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 09:10:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:10:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:10:36,491 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:10:36,493 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L630: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;main_#res#1 := 1; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L630-1: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-1: assume 1 + main_#t~post15#1 <= 2147483647;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-1: assume !(1 + main_#t~post15#1 <= 2147483647); [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-2: assume 1 + main_#t~post15#1 >= -2147483648; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-2: assume !(1 + main_#t~post15#1 >= -2147483648); [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585-1: assume sll_create_#t~post5#1 - 1 <= 2147483647;sll_create_~len#1 := sll_create_#t~post5#1 - 1;havoc sll_create_#t~post5#1; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585-1: assume !(sll_create_#t~post5#1 - 1 <= 2147483647); [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585-2: assume sll_create_#t~post5#1 - 1 >= -2147483648; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585-2: assume !(sll_create_#t~post5#1 - 1 >= -2147483648); [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L577: havoc myexit_~s#1;havoc myexit_#in~s#1;assume { :end_inline_myexit } true; [2025-02-08 09:10:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L12: assume false; [2025-02-08 09:10:36,670 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L12: assume !false;assume false; [2025-02-08 09:10:36,670 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L586: sll_create_#t~ret4#1.base, sll_create_#t~ret4#1.offset := node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;havoc node_create_#in~data#1;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret4#1.base, sll_create_#t~ret4#1.offset;havoc sll_create_#t~ret4#1.base, sll_create_#t~ret4#1.offset;call write~$Pointer$#1(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4);sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;havoc sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;sll_create_#t~post5#1 := sll_create_~len#1; [2025-02-08 09:10:36,670 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L624: assume main_~expected~0#1 != main_#t~ret14#1;havoc main_#t~ret14#1; [2025-02-08 09:10:36,670 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L624: assume !(main_~expected~0#1 != main_#t~ret14#1);havoc main_#t~ret14#1;havoc main_~expected~0#1;main_#t~post15#1 := main_~i~0#1; [2025-02-08 09:10:36,670 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L604: havoc sll_get_data_at_#t~mem9#1;main_#t~ret14#1 := sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;havoc sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1;assume { :end_inline_sll_get_data_at } true;assume -2147483648 <= main_#t~ret14#1 && main_#t~ret14#1 <= 2147483647; [2025-02-08 09:10:36,689 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2025-02-08 09:10:36,689 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:10:36,694 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:10:36,695 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:10:36,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:10:36 BoogieIcfgContainer [2025-02-08 09:10:36,695 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:10:36,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:10:36,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:10:36,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:10:36,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:10:35" (1/3) ... [2025-02-08 09:10:36,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56c4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:10:36, skipping insertion in model container [2025-02-08 09:10:36,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:36" (2/3) ... [2025-02-08 09:10:36,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56c4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:10:36, skipping insertion in model container [2025-02-08 09:10:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:10:36" (3/3) ... [2025-02-08 09:10:36,703 INFO L128 eAbstractionObserver]: Analyzing ICFG sll2n_update_all.i [2025-02-08 09:10:36,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:10:36,719 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sll2n_update_all.i that has 1 procedures, 35 locations, 1 initial locations, 6 loop locations, and 14 error locations. [2025-02-08 09:10:36,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:10:36,769 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;@47aa2a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:10:36,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2025-02-08 09:10:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 34 states have internal predecessors, (38), 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 09:10:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:10:36,776 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:36,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:10:36,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-02-08 09:10:36,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:36,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2788403, now seen corresponding path program 1 times [2025-02-08 09:10:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:36,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491343692] [2025-02-08 09:10:36,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:36,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:36,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:10:36,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:10:36,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:36,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:36,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:36,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491343692] [2025-02-08 09:10:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491343692] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:36,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:36,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:10:36,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784334569] [2025-02-08 09:10:36,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:36,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:10:36,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:36,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:10:36,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:36,980 INFO L87 Difference]: Start difference. First operand has 35 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 34 states have internal predecessors, (38), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 09:10:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:36,991 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2025-02-08 09:10:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:10:36,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:10:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:36,995 INFO L225 Difference]: With dead ends: 35 [2025-02-08 09:10:36,996 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:10:36,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:36,999 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:37,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:37,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:10:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:10:37,014 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 09:10:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:10:37,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2025-02-08 09:10:37,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:37,019 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:10:37,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 09:10:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:10:37,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:10:37,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2025-02-08 09:10:37,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2025-02-08 09:10:37,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2025-02-08 09:10:37,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:10:37,025 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 09:10:37,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:10:37,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:10:37,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:10:37 BoogieIcfgContainer [2025-02-08 09:10:37,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:10:37,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:10:37,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:10:37,054 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:10:37,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:10:36" (3/4) ... [2025-02-08 09:10:37,056 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:10:37,061 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-08 09:10:37,061 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 09:10:37,061 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:10:37,062 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:10:37,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:10:37,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:10:37,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:10:37,121 INFO L158 Benchmark]: Toolchain (without parser) took 1217.97ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 45.7MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,121 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:10:37,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.82ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 94.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.03ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:10:37,122 INFO L158 Benchmark]: Boogie Preprocessor took 31.12ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,122 INFO L158 Benchmark]: IcfgBuilder took 379.81ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 73.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,122 INFO L158 Benchmark]: TraceAbstraction took 356.87ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 52.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,123 INFO L158 Benchmark]: Witness Printer took 66.50ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 45.7MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:10:37,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.82ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 94.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.03ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.12ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 379.81ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 73.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 356.87ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 52.0MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 66.50ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 45.7MB in the end (delta: 6.3MB). 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: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: 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 - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: 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 1 procedures, 35 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 14 specifications checked. All of them hold - InvariantResult [Line: 622]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 600]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 618]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 607]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 593]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 585]: Location Invariant Derived location invariant: (2 == len) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:10:37,141 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