./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-fpi/indp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/array-fpi/indp1.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 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:30:18,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:30:18,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 06:30:18,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:30:18,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:30:18,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:30:18,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:30:18,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:30:18,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:30:18,635 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:30:18,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:30:18,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:30:18,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:30:18,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:30:18,639 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:30:18,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:30:18,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:30:18,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:30:18,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:30:18,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:30:18,640 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:30:18,641 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:30:18,641 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 06:30:18,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:30:18,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:30:18,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:30:18,642 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:30:18,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:30:18,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:30:18,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:30:18,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:30:18,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:30:18,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:30:18,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:30:18,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:30:18,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:30:18,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:30:18,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:30:18,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:30:18,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:30:18,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:30:18,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:30:18,646 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f [2024-11-19 06:30:18,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:30:18,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:30:18,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:30:18,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:30:18,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:30:18,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp1.c [2024-11-19 06:30:20,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:30:20,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:30:20,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp1.c [2024-11-19 06:30:20,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f51951739/1fe5f05f48ce4c73bf8a3238a7a9efa3/FLAG874146df9 [2024-11-19 06:30:20,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f51951739/1fe5f05f48ce4c73bf8a3238a7a9efa3 [2024-11-19 06:30:20,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:30:20,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:30:20,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:30:20,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:30:20,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:30:20,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:30:20" (1/1) ... [2024-11-19 06:30:20,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf27c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:20, skipping insertion in model container [2024-11-19 06:30:20,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:30:20" (1/1) ... [2024-11-19 06:30:20,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:30:21,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:30:21,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:30:21,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:30:21,300 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:30:21,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21 WrapperNode [2024-11-19 06:30:21,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:30:21,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:30:21,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:30:21,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:30:21,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,338 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2024-11-19 06:30:21,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:30:21,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:30:21,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:30:21,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:30:21,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,361 INFO L175 MemorySlicer]: Split 16 memory accesses to 3 slices as follows [2, 8, 6]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 3 writes are split as follows [0, 0, 3]. [2024-11-19 06:30:21,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:30:21,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:30:21,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:30:21,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:30:21,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (1/1) ... [2024-11-19 06:30:21,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:30:21,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:30:21,478 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) [2024-11-19 06:30:21,487 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 [2024-11-19 06:30:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:30:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:30:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 06:30:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 06:30:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 06:30:21,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:30:21,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:30:21,799 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-19 06:30:21,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:30:21,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:30:21,816 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 06:30:21,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:30:21 BoogieIcfgContainer [2024-11-19 06:30:21,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:30:21,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:30:21,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:30:21,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:30:21,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:30:20" (1/3) ... [2024-11-19 06:30:21,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b59d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:30:21, skipping insertion in model container [2024-11-19 06:30:21,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:30:21" (2/3) ... [2024-11-19 06:30:21,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b59d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:30:21, skipping insertion in model container [2024-11-19 06:30:21,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:30:21" (3/3) ... [2024-11-19 06:30:21,822 INFO L112 eAbstractionObserver]: Analyzing ICFG indp1.c [2024-11-19 06:30:21,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:30:21,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-19 06:30:21,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:30:21,879 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;@ab95d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:30:21,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-19 06:30:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 47 states have internal predecessors, (58), 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) [2024-11-19 06:30:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 06:30:21,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:30:21,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 06:30:21,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-19 06:30:21,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:30:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash 925704, now seen corresponding path program 1 times [2024-11-19 06:30:21,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:30:21,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704614082] [2024-11-19 06:30:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:30:21,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:30:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:30:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:30:22,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:30:22,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704614082] [2024-11-19 06:30:22,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704614082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:30:22,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:30:22,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:30:22,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922378969] [2024-11-19 06:30:22,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:30:22,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:30:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:30:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:30:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:30:22,047 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 47 states have internal predecessors, (58), 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) [2024-11-19 06:30:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:30:22,084 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2024-11-19 06:30:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:30:22,086 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 [2024-11-19 06:30:22,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:30:22,091 INFO L225 Difference]: With dead ends: 48 [2024-11-19 06:30:22,092 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 06:30:22,093 INFO L431 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 [2024-11-19 06:30:22,096 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:30:22,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 80 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:30:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 06:30:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-19 06:30:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 44 states have internal predecessors, (48), 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) [2024-11-19 06:30:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2024-11-19 06:30:22,121 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 4 [2024-11-19 06:30:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:30:22,121 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2024-11-19 06:30:22,121 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) [2024-11-19 06:30:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2024-11-19 06:30:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 06:30:22,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:30:22,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:30:22,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:30:22,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-19 06:30:22,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:30:22,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1806904936, now seen corresponding path program 1 times [2024-11-19 06:30:22,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:30:22,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877428648] [2024-11-19 06:30:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:30:22,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:30:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:30:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:30:22,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:30:22,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877428648] [2024-11-19 06:30:22,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877428648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:30:22,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:30:22,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:30:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279142778] [2024-11-19 06:30:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:30:22,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:30:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:30:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:30:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:30:22,228 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-19 06:30:22,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:30:22,265 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2024-11-19 06:30:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:30:22,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-19 06:30:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:30:22,266 INFO L225 Difference]: With dead ends: 39 [2024-11-19 06:30:22,266 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 06:30:22,266 INFO L431 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 [2024-11-19 06:30:22,267 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:30:22,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 31 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:30:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 06:30:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-19 06:30:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 38 states have internal predecessors, (42), 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) [2024-11-19 06:30:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2024-11-19 06:30:22,283 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 7 [2024-11-19 06:30:22,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:30:22,283 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2024-11-19 06:30:22,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-19 06:30:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2024-11-19 06:30:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 06:30:22,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:30:22,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:30:22,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:30:22,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-19 06:30:22,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:30:22,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1806904937, now seen corresponding path program 1 times [2024-11-19 06:30:22,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:30:22,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191248628] [2024-11-19 06:30:22,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:30:22,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:30:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:30:22,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:30:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:30:22,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:30:22,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:30:22,361 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 14 remaining) [2024-11-19 06:30:22,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 14 remaining) [2024-11-19 06:30:22,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 14 remaining) [2024-11-19 06:30:22,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 14 remaining) [2024-11-19 06:30:22,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 14 remaining) [2024-11-19 06:30:22,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 14 remaining) [2024-11-19 06:30:22,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 14 remaining) [2024-11-19 06:30:22,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (1 of 14 remaining) [2024-11-19 06:30:22,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK (0 of 14 remaining) [2024-11-19 06:30:22,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:30:22,368 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 06:30:22,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 06:30:22,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:30:22 BoogieIcfgContainer [2024-11-19 06:30:22,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 06:30:22,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 06:30:22,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 06:30:22,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 06:30:22,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:30:21" (3/4) ... [2024-11-19 06:30:22,401 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 06:30:22,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 06:30:22,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 06:30:22,437 INFO L158 Benchmark]: Toolchain (without parser) took 1505.92ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 90.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,437 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 131.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:30:22,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.42ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 92.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,438 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 176.2MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,438 INFO L158 Benchmark]: RCFGBuilder took 436.65ms. Allocated memory is still 176.2MB. Free memory was 88.2MB in the beginning and 132.2MB in the end (delta: -44.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,439 INFO L158 Benchmark]: TraceAbstraction took 581.20ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 92.2MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,439 INFO L158 Benchmark]: Witness Printer took 36.86ms. Allocated memory is still 176.2MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:30:22,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 131.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.42ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 92.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 176.2MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.65ms. Allocated memory is still 176.2MB. Free memory was 88.2MB in the beginning and 132.2MB in the end (delta: -44.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * TraceAbstraction took 581.20ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 92.2MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 36.86ms. Allocated memory is still 176.2MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. 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: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] long long i; [L28] long long *a = malloc(sizeof(int)*N); [L30] i=0 VAL [N=1, a={-1:0}, i=0] [L30] COND TRUE i