./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/loops/insertion_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 23:13:17,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 23:13:17,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-08 23:13:17,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 23:13:17,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 23:13:17,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 23:13:17,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 23:13:17,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 23:13:17,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 23:13:17,692 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 23:13:17,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 23:13:17,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 23:13:17,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 23:13:17,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-08 23:13:17,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 23:13:17,694 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:13:17,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 23:13:17,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 23:13:17,694 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd [2025-03-08 23:13:17,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 23:13:17,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 23:13:17,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 23:13:17,912 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 23:13:17,912 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 23:13:17,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-1.c [2025-03-08 23:13:19,049 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23bb1753/07e14e52876b4cbd85439d24fd671e47/FLAG1d61cd935 [2025-03-08 23:13:19,234 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 23:13:19,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c [2025-03-08 23:13:19,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23bb1753/07e14e52876b4cbd85439d24fd671e47/FLAG1d61cd935 [2025-03-08 23:13:19,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e23bb1753/07e14e52876b4cbd85439d24fd671e47 [2025-03-08 23:13:19,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 23:13:19,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 23:13:19,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 23:13:19,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 23:13:19,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 23:13:19,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8d0687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19, skipping insertion in model container [2025-03-08 23:13:19,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 23:13:19,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:13:19,755 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 23:13:19,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:13:19,780 INFO L204 MainTranslator]: Completed translation [2025-03-08 23:13:19,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19 WrapperNode [2025-03-08 23:13:19,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 23:13:19,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 23:13:19,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 23:13:19,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 23:13:19,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,806 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-03-08 23:13:19,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 23:13:19,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 23:13:19,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 23:13:19,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 23:13:19,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,826 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 3 writes are split as follows [0, 3]. [2025-03-08 23:13:19,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 23:13:19,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 23:13:19,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 23:13:19,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 23:13:19,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (1/1) ... [2025-03-08 23:13:19,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:13:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:13:19,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 23:13:19,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 23:13:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 23:13:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 23:13:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 23:13:19,946 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 23:13:19,947 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 23:13:20,142 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16: call ULTIMATE.dealloc(main_~#v~0#1.base, main_~#v~0#1.offset);havoc main_~#v~0#1.base, main_~#v~0#1.offset; [2025-03-08 23:13:20,151 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-03-08 23:13:20,152 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 23:13:20,160 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 23:13:20,160 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 23:13:20,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:13:20 BoogieIcfgContainer [2025-03-08 23:13:20,160 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 23:13:20,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 23:13:20,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 23:13:20,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 23:13:20,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 11:13:19" (1/3) ... [2025-03-08 23:13:20,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447acca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:13:20, skipping insertion in model container [2025-03-08 23:13:20,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:13:19" (2/3) ... [2025-03-08 23:13:20,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447acca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:13:20, skipping insertion in model container [2025-03-08 23:13:20,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:13:20" (3/3) ... [2025-03-08 23:13:20,171 INFO L128 eAbstractionObserver]: Analyzing ICFG insertion_sort-1.c [2025-03-08 23:13:20,180 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 23:13:20,182 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG insertion_sort-1.c that has 1 procedures, 49 locations, 1 initial locations, 4 loop locations, and 18 error locations. [2025-03-08 23:13:20,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 23:13:20,223 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56deecff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 23:13:20,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-03-08 23:13:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 48 states have internal predecessors, (56), 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) [2025-03-08 23:13:20,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-08 23:13:20,231 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:13:20,231 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-08 23:13:20,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2025-03-08 23:13:20,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:13:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2677182, now seen corresponding path program 1 times [2025-03-08 23:13:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:13:20,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413450126] [2025-03-08 23:13:20,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:13:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:13:20,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-08 23:13:20,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-08 23:13:20,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:13:20,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:13:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:13:20,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:13:20,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413450126] [2025-03-08 23:13:20,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413450126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:13:20,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:13:20,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:13:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254777284] [2025-03-08 23:13:20,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:13:20,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:13:20,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:13:20,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:13:20,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:13:20,436 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 48 states have internal predecessors, (56), 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, 2 states have (on average 2.0) internal successors, (4), 3 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) [2025-03-08 23:13:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:13:20,491 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2025-03-08 23:13:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:13:20,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2025-03-08 23:13:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:13:20,497 INFO L225 Difference]: With dead ends: 40 [2025-03-08 23:13:20,497 INFO L226 Difference]: Without dead ends: 38 [2025-03-08 23:13:20,498 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 [2025-03-08 23:13:20,500 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 23:13:20,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 29 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 23:13:20,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-03-08 23:13:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-03-08 23:13:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 37 states have internal predecessors, (43), 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) [2025-03-08 23:13:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2025-03-08 23:13:20,521 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 4 [2025-03-08 23:13:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:13:20,521 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2025-03-08 23:13:20,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2025-03-08 23:13:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2025-03-08 23:13:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-08 23:13:20,522 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:13:20,522 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-08 23:13:20,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 23:13:20,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2025-03-08 23:13:20,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:13:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2677183, now seen corresponding path program 1 times [2025-03-08 23:13:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:13:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231641270] [2025-03-08 23:13:20,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:13:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:13:20,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-08 23:13:20,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-08 23:13:20,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:13:20,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 23:13:20,553 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 23:13:20,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-08 23:13:20,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-08 23:13:20,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:13:20,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 23:13:20,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 23:13:20,584 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 23:13:20,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (16 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (15 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2025-03-08 23:13:20,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2025-03-08 23:13:20,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2025-03-08 23:13:20,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2025-03-08 23:13:20,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2025-03-08 23:13:20,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 18 remaining) [2025-03-08 23:13:20,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 18 remaining) [2025-03-08 23:13:20,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 23:13:20,592 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 23:13:20,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 23:13:20,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 11:13:20 BoogieIcfgContainer [2025-03-08 23:13:20,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 23:13:20,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 23:13:20,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 23:13:20,605 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 23:13:20,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:13:20" (3/4) ... [2025-03-08 23:13:20,606 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 23:13:20,628 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 2. [2025-03-08 23:13:20,653 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 23:13:20,653 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 23:13:20,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 23:13:20,654 INFO L158 Benchmark]: Toolchain (without parser) took 1031.37ms. Allocated memory is still 201.3MB. Free memory was 159.7MB in the beginning and 99.2MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-08 23:13:20,654 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 23:13:20,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.68ms. Allocated memory is still 201.3MB. Free memory was 159.7MB in the beginning and 148.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 23:13:20,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.31ms. Allocated memory is still 201.3MB. Free memory was 148.6MB in the beginning and 147.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 23:13:20,655 INFO L158 Benchmark]: Boogie Preprocessor took 30.46ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 146.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 23:13:20,655 INFO L158 Benchmark]: IcfgBuilder took 320.90ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 130.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 23:13:20,655 INFO L158 Benchmark]: TraceAbstraction took 440.88ms. Allocated memory is still 201.3MB. Free memory was 129.4MB in the beginning and 104.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 23:13:20,655 INFO L158 Benchmark]: Witness Printer took 49.14ms. Allocated memory is still 201.3MB. Free memory was 104.2MB in the beginning and 99.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 23:13:20,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.68ms. Allocated memory is still 201.3MB. Free memory was 159.7MB in the beginning and 148.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.31ms. Allocated memory is still 201.3MB. Free memory was 148.6MB in the beginning and 147.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.46ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 146.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 320.90ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 130.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 440.88ms. Allocated memory is still 201.3MB. Free memory was 129.4MB in the beginning and 104.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 49.14ms. Allocated memory is still 201.3MB. Free memory was 104.2MB in the beginning and 99.2MB in the end (delta: 5.0MB). 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L14] unsigned int SIZE=__VERIFIER_nondet_uint(); [L15] int i, j, k, key; [L16] int v[SIZE]; [L17] j=0 VAL [SIZE=1073741824, j=0, v={4:0}] [L17] COND TRUE j