./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:01:42,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:01:42,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 12:01:42,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:01:42,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:01:42,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:01:42,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:01:42,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:01:42,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:01:42,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:01:42,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:01:42,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:01:42,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:01:42,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:01:42,871 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:01:42,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:01:42,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:01:42,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 12:01:42,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:01:42,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:01:42,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:01:42,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:01:42,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:01:42,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:01:42,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:01:42,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:01:42,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:01:42,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:01:42,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:01:42,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:01:42,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:01:42,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:01:42,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:01:42,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:01:42,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:01:42,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 12:01:42,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 12:01:42,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:01:42,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:01:42,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:01:42,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:01:42,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 [2024-11-19 12:01:43,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:01:43,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:01:43,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:01:43,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:01:43,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:01:43,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:44,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:01:45,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:01:45,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:45,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d4c6358/d37e162518e7489f85452a33d1a8265a/FLAG96ca4a1c5 [2024-11-19 12:01:45,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d4c6358/d37e162518e7489f85452a33d1a8265a [2024-11-19 12:01:45,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:01:45,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:01:45,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:01:45,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:01:45,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:01:45,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:01:45" (1/1) ... [2024-11-19 12:01:45,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2527d94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:45, skipping insertion in model container [2024-11-19 12:01:45,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:01:45" (1/1) ... [2024-11-19 12:01:45,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:01:46,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:01:46,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:01:46,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:01:46,353 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:01:46,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46 WrapperNode [2024-11-19 12:01:46,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:01:46,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:01:46,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:01:46,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:01:46,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,413 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-19 12:01:46,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:01:46,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:01:46,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:01:46,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:01:46,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,442 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-19 12:01:46,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:01:46,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:01:46,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:01:46,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:01:46,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (1/1) ... [2024-11-19 12:01:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:01:46,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:01:46,496 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 12:01:46,499 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 12:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:01:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:01:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 12:01:46,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:01:46,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:01:46,809 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-19 12:01:46,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:01:46,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:01:46,830 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 12:01:46,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:46 BoogieIcfgContainer [2024-11-19 12:01:46,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:01:46,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:01:46,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:01:46,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:01:46,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:01:45" (1/3) ... [2024-11-19 12:01:46,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5def649f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:01:46, skipping insertion in model container [2024-11-19 12:01:46,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:46" (2/3) ... [2024-11-19 12:01:46,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5def649f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:01:46, skipping insertion in model container [2024-11-19 12:01:46,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:46" (3/3) ... [2024-11-19 12:01:46,841 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:46,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:01:46,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:01:46,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:01:46,926 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7dbb05a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:01:46,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:01:46,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 12:01:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:01:46,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:01:46,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:01:46,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:01:46,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:01:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash -355581727, now seen corresponding path program 1 times [2024-11-19 12:01:46,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:01:46,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968571821] [2024-11-19 12:01:46,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:01:46,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:01:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:01:47,165 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 12:01:47,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:01:47,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968571821] [2024-11-19 12:01:47,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968571821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:01:47,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:01:47,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 12:01:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526714343] [2024-11-19 12:01:47,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:01:47,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:01:47,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:01:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:01:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:01:47,212 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:01:47,227 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2024-11-19 12:01:47,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:01:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 12:01:47,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:01:47,235 INFO L225 Difference]: With dead ends: 41 [2024-11-19 12:01:47,235 INFO L226 Difference]: Without dead ends: 18 [2024-11-19 12:01:47,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:01:47,240 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:01:47,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:01:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-19 12:01:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-19 12:01:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 12:01:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-19 12:01:47,271 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-11-19 12:01:47,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:01:47,272 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-19 12:01:47,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-19 12:01:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 12:01:47,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:01:47,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:01:47,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 12:01:47,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:01:47,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:01:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1872668636, now seen corresponding path program 1 times [2024-11-19 12:01:47,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:01:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366661271] [2024-11-19 12:01:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:01:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:01:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:01:47,451 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 12:01:47,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:01:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366661271] [2024-11-19 12:01:47,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366661271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:01:47,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:01:47,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 12:01:47,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535080518] [2024-11-19 12:01:47,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:01:47,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 12:01:47,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:01:47,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 12:01:47,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:01:47,456 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:01:47,473 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-19 12:01:47,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 12:01:47,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-19 12:01:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:01:47,478 INFO L225 Difference]: With dead ends: 18 [2024-11-19 12:01:47,478 INFO L226 Difference]: Without dead ends: 17 [2024-11-19 12:01:47,478 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 12:01:47,479 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:01:47,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 26 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:01:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-19 12:01:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-19 12:01:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 12:01:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-19 12:01:47,484 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-19 12:01:47,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:01:47,485 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-19 12:01:47,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-19 12:01:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 12:01:47,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:01:47,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:01:47,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 12:01:47,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:01:47,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:01:47,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2076814353, now seen corresponding path program 1 times [2024-11-19 12:01:47,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:01:47,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831936145] [2024-11-19 12:01:47,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:01:47,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:01:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:01:47,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:01:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:01:47,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 12:01:47,574 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:01:47,576 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:01:47,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:01:47,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 12:01:47,583 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 12:01:47,603 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:01:47,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:01:47 BoogieIcfgContainer [2024-11-19 12:01:47,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:01:47,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:01:47,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:01:47,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:01:47,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:46" (3/4) ... [2024-11-19 12:01:47,612 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:01:47,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:01:47,614 INFO L158 Benchmark]: Toolchain (without parser) took 2307.75ms. Allocated memory was 176.2MB in the beginning and 234.9MB in the end (delta: 58.7MB). Free memory was 115.0MB in the beginning and 113.9MB in the end (delta: 1.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,615 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:01:47,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.95ms. Allocated memory was 176.2MB in the beginning and 234.9MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 178.9MB in the end (delta: -64.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 234.9MB. Free memory was 178.9MB in the beginning and 175.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,619 INFO L158 Benchmark]: Boogie Preprocessor took 47.84ms. Allocated memory is still 234.9MB. Free memory was 175.7MB in the beginning and 173.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,620 INFO L158 Benchmark]: RCFGBuilder took 365.28ms. Allocated memory is still 234.9MB. Free memory was 173.6MB in the beginning and 158.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,620 INFO L158 Benchmark]: TraceAbstraction took 772.07ms. Allocated memory is still 234.9MB. Free memory was 158.9MB in the beginning and 113.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-19 12:01:47,620 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 234.9MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:01:47,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.95ms. Allocated memory was 176.2MB in the beginning and 234.9MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 178.9MB in the end (delta: -64.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.01ms. Allocated memory is still 234.9MB. Free memory was 178.9MB in the beginning and 175.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.84ms. Allocated memory is still 234.9MB. Free memory was 175.7MB in the beginning and 173.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.28ms. Allocated memory is still 234.9MB. Free memory was 173.6MB in the beginning and 158.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 772.07ms. Allocated memory is still 234.9MB. Free memory was 158.9MB in the beginning and 113.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 234.9MB. Free memory is still 113.9MB. 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 45 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 12:01:47,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:01:49,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:01:50,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 12:01:50,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:01:50,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:01:50,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 12:01:50,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:01:50,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:01:50,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:01:50,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:01:50,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:01:50,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:01:50,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:01:50,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:01:50,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:01:50,108 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:01:50,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:01:50,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:01:50,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:01:50,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:01:50,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:01:50,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:01:50,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 12:01:50,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 12:01:50,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:01:50,115 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:01:50,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 12:01:50,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:01:50,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:01:50,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:01:50,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:01:50,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:01:50,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:01:50,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:01:50,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:01:50,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:01:50,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:01:50,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:01:50,120 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 12:01:50,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 12:01:50,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:01:50,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:01:50,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:01:50,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:01:50,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 [2024-11-19 12:01:50,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:01:50,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:01:50,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:01:50,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:01:50,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:01:50,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:51,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:01:52,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:01:52,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:52,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320ed33b5/3ca63157eea04dc09b949b8e9328265f/FLAGa69c8681f [2024-11-19 12:01:52,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320ed33b5/3ca63157eea04dc09b949b8e9328265f [2024-11-19 12:01:52,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:01:52,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:01:52,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:01:52,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:01:52,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:01:52,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:01:52" (1/1) ... [2024-11-19 12:01:52,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df50bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:52, skipping insertion in model container [2024-11-19 12:01:52,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:01:52" (1/1) ... [2024-11-19 12:01:52,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:01:53,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:01:53,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:01:53,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:01:53,656 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:01:53,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53 WrapperNode [2024-11-19 12:01:53,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:01:53,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:01:53,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:01:53,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:01:53,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,725 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-19 12:01:53,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:01:53,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:01:53,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:01:53,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:01:53,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,758 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-19 12:01:53,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:01:53,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:01:53,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:01:53,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:01:53,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (1/1) ... [2024-11-19 12:01:53,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:01:53,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:01:53,815 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 12:01:53,824 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 12:01:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:01:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:01:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 12:01:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:01:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:01:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:01:54,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:01:54,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:01:54,143 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-19 12:01:54,143 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:01:54,157 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:01:54,157 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 12:01:54,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:54 BoogieIcfgContainer [2024-11-19 12:01:54,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:01:54,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:01:54,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:01:54,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:01:54,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:01:52" (1/3) ... [2024-11-19 12:01:54,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45591b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:01:54, skipping insertion in model container [2024-11-19 12:01:54,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:01:53" (2/3) ... [2024-11-19 12:01:54,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45591b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:01:54, skipping insertion in model container [2024-11-19 12:01:54,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:54" (3/3) ... [2024-11-19 12:01:54,173 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-19 12:01:54,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:01:54,191 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:01:54,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:01:54,279 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e938090, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:01:54,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:01:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 12:01:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:01:54,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:01:54,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:01:54,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:01:54,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:01:54,307 INFO L85 PathProgramCache]: Analyzing trace with hash -355581727, now seen corresponding path program 1 times [2024-11-19 12:01:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:01:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563152146] [2024-11-19 12:01:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:01:54,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 12:01:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:01:54,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 12:01:54,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 12:01:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:01:54,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 12:01:54,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 12:01:54,483 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 12:01:54,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 12:01:54,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 12:01:54,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563152146] [2024-11-19 12:01:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563152146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:01:54,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:01:54,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 12:01:54,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293108175] [2024-11-19 12:01:54,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:01:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:01:54,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 12:01:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:01:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:01:54,519 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:01:54,536 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2024-11-19 12:01:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:01:54,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 12:01:54,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:01:54,546 INFO L225 Difference]: With dead ends: 40 [2024-11-19 12:01:54,546 INFO L226 Difference]: Without dead ends: 17 [2024-11-19 12:01:54,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:01:54,553 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:01:54,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:01:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-19 12:01:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-19 12:01:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 12:01:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-19 12:01:54,585 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2024-11-19 12:01:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:01:54,587 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-19 12:01:54,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:01:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-19 12:01:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 12:01:54,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:01:54,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:01:54,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-19 12:01:54,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 12:01:54,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:01:54,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:01:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2076814353, now seen corresponding path program 1 times [2024-11-19 12:01:54,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:01:54,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626986711] [2024-11-19 12:01:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:01:54,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 12:01:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:01:54,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 12:01:54,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-19 12:01:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:01:54,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:01:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:01:54,992 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 12:01:54,992 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:01:54,994 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:01:54,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:01:55,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 12:01:55,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 12:01:55,200 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 12:01:55,219 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:01:55,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:01:55 BoogieIcfgContainer [2024-11-19 12:01:55,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:01:55,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:01:55,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:01:55,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:01:55,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:01:54" (3/4) ... [2024-11-19 12:01:55,228 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:01:55,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:01:55,231 INFO L158 Benchmark]: Toolchain (without parser) took 2875.79ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 49.7MB in the end (delta: -6.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-19 12:01:55,232 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:01:55,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1302.19ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 38.5MB in the end (delta: 4.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-19 12:01:55,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 56.6MB in the end (delta: -18.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:01:55,237 INFO L158 Benchmark]: Boogie Preprocessor took 52.59ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 53.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:01:55,238 INFO L158 Benchmark]: RCFGBuilder took 384.45ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 38.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 12:01:55,238 INFO L158 Benchmark]: TraceAbstraction took 1058.19ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 50.2MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:01:55,239 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 86.0MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:01:55,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1302.19ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 38.5MB in the end (delta: 4.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 56.6MB in the end (delta: -18.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.59ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 53.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.45ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 38.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1058.19ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 50.2MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 86.0MB. Free memory is still 49.7MB. 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 12:01:55,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample