./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/insertion_sort-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/insertion_sort-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6909fdbd47ee7cc9ac1cfcb139a86d0e022eb1f9eab8a625d6818fa3999b29d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:12,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:12,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:46:12,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:12,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:12,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:12,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:12,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:12,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:12,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:12,218 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:12,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:12,220 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:12,225 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:46:12,226 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:12,227 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:12,227 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:46:12,228 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:46:12,228 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:12,229 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:46:12,229 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:46:12,230 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:46:12,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:46:12,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:46:12,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:12,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:46:12,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:46:12,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:46:12,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:12,235 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:46:12,236 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:46:12,236 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:46:12,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:12,237 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:46:12,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:46:12,238 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:46:12,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:12,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:12,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:12,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:12,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:12,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:12,241 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:46:12,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:46:12,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:12,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:12,243 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6909fdbd47ee7cc9ac1cfcb139a86d0e022eb1f9eab8a625d6818fa3999b29d [2023-11-12 00:46:12,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:12,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:12,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:12,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:12,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:12,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/loops/insertion_sort-2.c [2023-11-12 00:46:15,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:16,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:16,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/sv-benchmarks/c/loops/insertion_sort-2.c [2023-11-12 00:46:16,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/data/e01d1af72/01767e0ad5c6485884665ea148bd6682/FLAGd9aac1128 [2023-11-12 00:46:16,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/data/e01d1af72/01767e0ad5c6485884665ea148bd6682 [2023-11-12 00:46:16,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:16,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:16,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:16,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:16,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:16,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48750f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16, skipping insertion in model container [2023-11-12 00:46:16,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:16,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:16,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:16,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:16,615 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:16,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16 WrapperNode [2023-11-12 00:46:16,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:16,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:16,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:16,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:16,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,673 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-11-12 00:46:16,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:16,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:16,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:16,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:16,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:16,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:16,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:16,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:16,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (1/1) ... [2023-11-12 00:46:16,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:16,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:16,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:16,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:46:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:46:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:46:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:46:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:46:16,881 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:16,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:17,254 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:17,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:17,318 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:46:17,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:17 BoogieIcfgContainer [2023-11-12 00:46:17,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:17,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:17,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:17,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:17,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:16" (1/3) ... [2023-11-12 00:46:17,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d50c409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:17, skipping insertion in model container [2023-11-12 00:46:17,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:16" (2/3) ... [2023-11-12 00:46:17,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d50c409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:17, skipping insertion in model container [2023-11-12 00:46:17,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:17" (3/3) ... [2023-11-12 00:46:17,332 INFO L112 eAbstractionObserver]: Analyzing ICFG insertion_sort-2.c [2023-11-12 00:46:17,357 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:17,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-12 00:46:17,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:17,412 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@7ddb9087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:17,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-12 00:46:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 37 states have internal predecessors, (44), 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) [2023-11-12 00:46:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:46:17,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:17,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-12 00:46:17,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-12 00:46:17,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash 144472, now seen corresponding path program 1 times [2023-11-12 00:46:17,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:17,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727955825] [2023-11-12 00:46:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:17,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727955825] [2023-11-12 00:46:17,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727955825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:17,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:17,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:46:17,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794443972] [2023-11-12 00:46:17,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:17,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:17,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:17,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:17,724 INFO L87 Difference]: Start difference. First operand has 38 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 37 states have internal predecessors, (44), 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) [2023-11-12 00:46:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:17,809 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-11-12 00:46:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:17,812 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 [2023-11-12 00:46:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:17,820 INFO L225 Difference]: With dead ends: 30 [2023-11-12 00:46:17,821 INFO L226 Difference]: Without dead ends: 29 [2023-11-12 00:46:17,823 INFO L412 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 [2023-11-12 00:46:17,827 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:17,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 11 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:46:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-12 00:46:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-12 00:46:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.736842105263158) internal successors, (33), 28 states have internal predecessors, (33), 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) [2023-11-12 00:46:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-11-12 00:46:17,864 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 3 [2023-11-12 00:46:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:17,865 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-12 00:46:17,865 INFO L496 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) [2023-11-12 00:46:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-12 00:46:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:46:17,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:17,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-12 00:46:17,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:46:17,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-12 00:46:17,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 144473, now seen corresponding path program 1 times [2023-11-12 00:46:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:17,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068317118] [2023-11-12 00:46:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:17,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:46:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:17,978 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:46:17,979 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:46:17,981 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2023-11-12 00:46:17,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 18 remaining) [2023-11-12 00:46:17,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 18 remaining) [2023-11-12 00:46:17,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2023-11-12 00:46:17,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2023-11-12 00:46:17,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2023-11-12 00:46:17,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2023-11-12 00:46:17,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2023-11-12 00:46:17,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2023-11-12 00:46:17,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2023-11-12 00:46:17,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2023-11-12 00:46:17,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2023-11-12 00:46:17,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2023-11-12 00:46:17,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2023-11-12 00:46:17,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2023-11-12 00:46:17,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2023-11-12 00:46:17,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (1 of 18 remaining) [2023-11-12 00:46:17,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (0 of 18 remaining) [2023-11-12 00:46:17,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:46:17,991 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:46:17,996 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:46:18,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:46:18 BoogieIcfgContainer [2023-11-12 00:46:18,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:46:18,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:46:18,013 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:46:18,013 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:46:18,014 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:17" (3/4) ... [2023-11-12 00:46:18,015 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:46:18,078 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224ef125-4f6f-4b80-9ad9-857dfc585cee/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:46:18,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:46:18,083 INFO L158 Benchmark]: Toolchain (without parser) took 1821.27ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 68.9MB in the end (delta: 24.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-12 00:46:18,083 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:18,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.52ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:46:18,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.37ms. Allocated memory is still 136.3MB. Free memory was 82.9MB in the beginning and 81.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:46:18,085 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 136.3MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:18,087 INFO L158 Benchmark]: RCFGBuilder took 609.40ms. Allocated memory is still 136.3MB. Free memory was 79.7MB in the beginning and 101.1MB in the end (delta: -21.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-12 00:46:18,088 INFO L158 Benchmark]: TraceAbstraction took 687.70ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 70.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:46:18,089 INFO L158 Benchmark]: Witness Printer took 68.06ms. Allocated memory is still 136.3MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:18,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.52ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.37ms. Allocated memory is still 136.3MB. Free memory was 82.9MB in the beginning and 81.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 136.3MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 609.40ms. Allocated memory is still 136.3MB. Free memory was 79.7MB in the beginning and 101.1MB in the end (delta: -21.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 687.70ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 70.3MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 68.06ms. Allocated memory is still 136.3MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.5MB). 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=3221225472, j=0, v={4:0}] [L17] COND TRUE j