./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/loops/insertion_sort-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:45:50,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:45:50,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 06:45:50,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:45:50,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:45:50,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:45:50,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:45:50,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:45:50,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:45:50,975 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:45:50,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:45:50,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:45:50,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:45:50,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:45:50,976 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:45:50,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:45:50,976 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:45:50,977 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:45:50,977 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:45:50,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:45:50,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:45:50,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:45:50,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:45:50,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:45:50,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:45:50,979 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd [2025-02-08 06:45:51,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:45:51,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:45:51,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:45:51,221 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:45:51,222 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:45:51,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-1.c [2025-02-08 06:45:52,395 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8482e8fa4/d74bd2ac89844e3394b6cf6902b71f31/FLAGb7e2b4046 [2025-02-08 06:45:52,629 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:45:52,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c [2025-02-08 06:45:52,634 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8482e8fa4/d74bd2ac89844e3394b6cf6902b71f31/FLAGb7e2b4046 [2025-02-08 06:45:52,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8482e8fa4/d74bd2ac89844e3394b6cf6902b71f31 [2025-02-08 06:45:52,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:45:52,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:45:52,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:45:52,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:45:52,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:45:52,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:45:52" (1/1) ... [2025-02-08 06:45:52,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e94045c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:52, skipping insertion in model container [2025-02-08 06:45:52,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:45:52" (1/1) ... [2025-02-08 06:45:53,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:45:53,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:45:53,116 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:45:53,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:45:53,136 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:45:53,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53 WrapperNode [2025-02-08 06:45:53,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:45:53,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:45:53,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:45:53,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:45:53,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,166 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-02-08 06:45:53,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:45:53,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:45:53,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:45:53,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:45:53,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,175 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,182 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]. [2025-02-08 06:45:53,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:45:53,192 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:45:53,192 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:45:53,192 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:45:53,193 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (1/1) ... [2025-02-08 06:45:53,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:45:53,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:45:53,221 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 06:45:53,226 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 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:45:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 06:45:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:45:53,293 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:45:53,294 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:45:53,533 INFO L1324 $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; [2025-02-08 06:45:53,534 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L30: havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; [2025-02-08 06:45:53,547 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-02-08 06:45:53,547 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:45:53,558 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:45:53,558 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 06:45:53,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:45:53 BoogieIcfgContainer [2025-02-08 06:45:53,559 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:45:53,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:45:53,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:45:53,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:45:53,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:45:52" (1/3) ... [2025-02-08 06:45:53,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2d493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:45:53, skipping insertion in model container [2025-02-08 06:45:53,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:45:53" (2/3) ... [2025-02-08 06:45:53,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2d493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:45:53, skipping insertion in model container [2025-02-08 06:45:53,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:45:53" (3/3) ... [2025-02-08 06:45:53,570 INFO L128 eAbstractionObserver]: Analyzing ICFG insertion_sort-1.c [2025-02-08 06:45:53,581 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:45:53,582 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG insertion_sort-1.c that has 1 procedures, 46 locations, 1 initial locations, 4 loop locations, and 18 error locations. [2025-02-08 06:45:53,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:45:53,627 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;@295b1466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:45:53,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-02-08 06:45:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 2.0) internal successors, (52), 45 states have internal predecessors, (52), 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 06:45:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:45:53,636 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:45:53,636 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:45:53,637 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)] === [2025-02-08 06:45:53,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:45:53,640 INFO L85 PathProgramCache]: Analyzing trace with hash 83379, now seen corresponding path program 1 times [2025-02-08 06:45:53,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:45:53,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741679665] [2025-02-08 06:45:53,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:45:53,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:45:53,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:45:53,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:45:53,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:45:53,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:45:53,804 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 06:45:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:45:53,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741679665] [2025-02-08 06:45:53,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741679665] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:45:53,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:45:53,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 06:45:53,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316553301] [2025-02-08 06:45:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:45:53,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:45:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:45:53,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:45:53,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:45:53,829 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 2.0) internal successors, (52), 45 states have internal predecessors, (52), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 06:45:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:45:53,881 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2025-02-08 06:45:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:45:53,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2025-02-08 06:45:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:45:53,887 INFO L225 Difference]: With dead ends: 38 [2025-02-08 06:45:53,888 INFO L226 Difference]: Without dead ends: 35 [2025-02-08 06:45:53,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 06:45:53,892 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 30 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 [2025-02-08 06:45:53,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 30 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 06:45:53,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-02-08 06:45:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-02-08 06:45:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.56) internal successors, (39), 34 states have internal predecessors, (39), 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 06:45:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2025-02-08 06:45:53,919 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 3 [2025-02-08 06:45:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:45:53,919 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2025-02-08 06:45:53,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 06:45:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2025-02-08 06:45:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:45:53,920 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:45:53,920 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:45:53,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 06:45:53,920 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)] === [2025-02-08 06:45:53,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:45:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 83380, now seen corresponding path program 1 times [2025-02-08 06:45:53,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:45:53,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419699316] [2025-02-08 06:45:53,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:45:53,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:45:53,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:45:53,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:45:53,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:45:53,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 06:45:53,948 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 06:45:53,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:45:53,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:45:53,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:45:53,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 06:45:53,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 06:45:53,973 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 06:45:53,974 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2025-02-08 06:45:53,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (16 of 18 remaining) [2025-02-08 06:45:53,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (15 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2025-02-08 06:45:53,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 18 remaining) [2025-02-08 06:45:53,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 18 remaining) [2025-02-08 06:45:53,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 06:45:53,979 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 06:45:53,989 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 06:45:53,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 06:45:53 BoogieIcfgContainer [2025-02-08 06:45:53,991 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 06:45:53,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 06:45:53,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 06:45:53,992 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 06:45:53,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:45:53" (3/4) ... [2025-02-08 06:45:53,993 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-08 06:45:54,016 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 2. [2025-02-08 06:45:54,044 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 06:45:54,044 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 06:45:54,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 06:45:54,045 INFO L158 Benchmark]: Toolchain (without parser) took 1058.47ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 63.3MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 06:45:54,045 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:45:54,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.47ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 112.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 06:45:54,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.55ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:45:54,046 INFO L158 Benchmark]: Boogie Preprocessor took 24.00ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 06:45:54,046 INFO L158 Benchmark]: IcfgBuilder took 367.25ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 93.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 06:45:54,046 INFO L158 Benchmark]: TraceAbstraction took 430.37ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 67.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 06:45:54,046 INFO L158 Benchmark]: Witness Printer took 52.72ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 63.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 06:45:54,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.47ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 112.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.55ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.00ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 367.25ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 93.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 430.37ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 67.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 52.72ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 63.3MB in the end (delta: 4.5MB). There was no memory consumed. 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