./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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_fscanf_add_65_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 eb791e19332b3ab85756d04ad891043371a45da21412233fb20848c4d177dedf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:58:41,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:58:41,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 05:58:41,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:58:41,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:58:41,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:58:41,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:58:41,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:58:41,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:58:41,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:58:41,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:58:41,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:58:41,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:58:41,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:58:41,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:58:41,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:58:41,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:58:41,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:58:41,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:58:41,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:58:41,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:58:41,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:58:41,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:58:41,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:58:41,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:58:41,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:58:41,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:58:41,881 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:58:41,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:58:41,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:58:41,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:58:41,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:41,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:58:41,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:58:41,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:58:41,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:58:41,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:58:41,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:58:41,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:58:41,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:58:41,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:58:41,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb791e19332b3ab85756d04ad891043371a45da21412233fb20848c4d177dedf [2024-11-17 05:58:42,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:58:42,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:58:42,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:58:42,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:58:42,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:58:42,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:43,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:58:43,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:58:43,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:44,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4061a8f6a/df47926f2f9d41bfbb678274813ff06d/FLAG618af5b84 [2024-11-17 05:58:44,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4061a8f6a/df47926f2f9d41bfbb678274813ff06d [2024-11-17 05:58:44,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:58:44,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:58:44,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:44,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:58:44,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:58:44,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:44" (1/1) ... [2024-11-17 05:58:44,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dd7e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:44, skipping insertion in model container [2024-11-17 05:58:44,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:44" (1/1) ... [2024-11-17 05:58:44,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:58:44,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:44,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:58:44,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:45,062 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:58:45,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45 WrapperNode [2024-11-17 05:58:45,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:45,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:45,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:58:45,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:58:45,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,125 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-17 05:58:45,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:45,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:58:45,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:58:45,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:58:45,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,149 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 05:58:45,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:58:45,164 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:58:45,164 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:58:45,165 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:58:45,166 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (1/1) ... [2024-11-17 05:58:45,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:58:45,205 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) [2024-11-17 05:58:45,211 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 [2024-11-17 05:58:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:58:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:58:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:58:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:58:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:58:45,506 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:58:45,508 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:58:45,628 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-17 05:58:45,628 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:58:45,642 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:58:45,643 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:58:45,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:45 BoogieIcfgContainer [2024-11-17 05:58:45,644 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:58:45,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:58:45,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:58:45,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:58:45,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:58:44" (1/3) ... [2024-11-17 05:58:45,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0be7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:45, skipping insertion in model container [2024-11-17 05:58:45,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:45" (2/3) ... [2024-11-17 05:58:45,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0be7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:45, skipping insertion in model container [2024-11-17 05:58:45,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:45" (3/3) ... [2024-11-17 05:58:45,654 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:45,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:58:45,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 05:58:45,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:58:45,743 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;@2173817b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:58:45,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 05:58:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-17 05:58:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 05:58:45,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:45,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:45,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:58:45,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:45,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1768245549, now seen corresponding path program 1 times [2024-11-17 05:58:45,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:58:45,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217578379] [2024-11-17 05:58:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:58:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:58:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:58:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:58:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:58:46,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:58:46,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217578379] [2024-11-17 05:58:46,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217578379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:58:46,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:58:46,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:58:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617018465] [2024-11-17 05:58:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:58:46,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:58:46,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:58:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:58:46,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:58:46,166 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-17 05:58:46,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:58:46,204 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-17 05:58:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:58:46,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2024-11-17 05:58:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:58:46,214 INFO L225 Difference]: With dead ends: 22 [2024-11-17 05:58:46,214 INFO L226 Difference]: Without dead ends: 11 [2024-11-17 05:58:46,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:58:46,223 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:58:46,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:58:46,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-17 05:58:46,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-17 05:58:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2024-11-17 05:58:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-17 05:58:46,256 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-17 05:58:46,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:58:46,256 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-17 05:58:46,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-17 05:58:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-17 05:58:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 05:58:46,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:46,257 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:46,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:58:46,258 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:58:46,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:46,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-17 05:58:46,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:58:46,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869869630] [2024-11-17 05:58:46,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:46,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:58:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:46,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:58:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:46,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 05:58:46,333 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:58:46,335 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 05:58:46,337 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 05:58:46,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 05:58:46,345 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:58:46,368 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:58:46,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:58:46 BoogieIcfgContainer [2024-11-17 05:58:46,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:58:46,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:58:46,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:58:46,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:58:46,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:45" (3/4) ... [2024-11-17 05:58:46,379 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:58:46,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:58:46,382 INFO L158 Benchmark]: Toolchain (without parser) took 2353.15ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 109.6MB in the end (delta: 39.5MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,382 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 76.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:58:46,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.35ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 83.2MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 184.5MB. Free memory was 83.2MB in the beginning and 80.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,387 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 184.5MB. Free memory was 80.0MB in the beginning and 77.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,387 INFO L158 Benchmark]: IcfgBuilder took 480.76ms. Allocated memory is still 184.5MB. Free memory was 77.9MB in the beginning and 145.2MB in the end (delta: -67.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,388 INFO L158 Benchmark]: TraceAbstraction took 727.50ms. Allocated memory is still 184.5MB. Free memory was 144.2MB in the beginning and 110.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-17 05:58:46,388 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 184.5MB. Free memory was 110.6MB in the beginning and 109.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:58:46,390 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 104.9MB. Free memory was 76.9MB in the beginning and 76.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.35ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 83.2MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 184.5MB. Free memory was 83.2MB in the beginning and 80.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 184.5MB. Free memory was 80.0MB in the beginning and 77.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 480.76ms. Allocated memory is still 184.5MB. Free memory was 77.9MB in the beginning and 145.2MB in the end (delta: -67.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 727.50ms. Allocated memory is still 184.5MB. Free memory was 144.2MB in the beginning and 110.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 184.5MB. Free memory was 110.6MB in the beginning and 109.6MB in the end (delta: 1.0MB). 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560. 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] [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] 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] [L1561] CALL CWE190_Integer_Overflow__int_fscanf_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fscanf_add_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] data + 1 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: 1568]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 18 mSDtfsCounter, 7 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=22occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 [2024-11-17 05:58:46,415 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_fscanf_add_65_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 eb791e19332b3ab85756d04ad891043371a45da21412233fb20848c4d177dedf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:58:48,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:58:48,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 05:58:48,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:58:48,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:58:48,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 05:58:48,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:58:48,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:58:48,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:58:48,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:58:48,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:58:48,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:58:48,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:58:48,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:58:48,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:58:48,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:58:48,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:58:48,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:58:48,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:58:48,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:58:48,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:58:48,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:58:48,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 05:58:48,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 05:58:48,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:58:48,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:58:48,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 05:58:48,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:58:48,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:58:48,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:58:48,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:58:48,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:58:48,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:58:48,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:58:48,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:48,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:58:48,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:58:48,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:58:48,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 05:58:48,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 05:58:48,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:58:48,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:58:48,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:58:48,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:58:48,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb791e19332b3ab85756d04ad891043371a45da21412233fb20848c4d177dedf [2024-11-17 05:58:49,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:58:49,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:58:49,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:58:49,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:58:49,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:58:49,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:50,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:58:50,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:58:50,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:51,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578398d2f/6e1ce7946b534b9b94c3d07b2a42339c/FLAG679b9aeb5 [2024-11-17 05:58:51,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578398d2f/6e1ce7946b534b9b94c3d07b2a42339c [2024-11-17 05:58:51,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:58:51,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:58:51,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:51,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:58:51,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:58:51,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:51" (1/1) ... [2024-11-17 05:58:51,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b87c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:51, skipping insertion in model container [2024-11-17 05:58:51,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:51" (1/1) ... [2024-11-17 05:58:51,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:58:52,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:52,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:58:52,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:52,316 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:58:52,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52 WrapperNode [2024-11-17 05:58:52,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:52,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:52,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:58:52,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:58:52,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,383 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2024-11-17 05:58:52,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:52,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:58:52,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:58:52,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:58:52,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,417 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 05:58:52,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:58:52,458 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:58:52,459 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:58:52,459 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:58:52,460 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (1/1) ... [2024-11-17 05:58:52,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:52,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:58:52,492 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) [2024-11-17 05:58:52,494 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 [2024-11-17 05:58:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:58:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:58:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:58:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:58:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:58:52,720 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:58:52,723 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:58:52,863 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-17 05:58:52,864 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:58:52,879 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:58:52,880 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:58:52,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:52 BoogieIcfgContainer [2024-11-17 05:58:52,882 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:58:52,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:58:52,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:58:52,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:58:52,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:58:51" (1/3) ... [2024-11-17 05:58:52,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:52, skipping insertion in model container [2024-11-17 05:58:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:52" (2/3) ... [2024-11-17 05:58:52,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:52, skipping insertion in model container [2024-11-17 05:58:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:52" (3/3) ... [2024-11-17 05:58:52,893 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_65_bad.i [2024-11-17 05:58:52,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:58:52,911 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 05:58:52,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:58:52,991 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;@79ff4225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:58:52,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 05:58:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-17 05:58:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 05:58:53,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:53,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:53,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:58:53,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1768245549, now seen corresponding path program 1 times [2024-11-17 05:58:53,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:58:53,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313161120] [2024-11-17 05:58:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:53,025 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 [2024-11-17 05:58:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:58:53,028 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) [2024-11-17 05:58:53,042 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 [2024-11-17 05:58:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:58:53,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 05:58:53,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:58:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:58:53,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:58:53,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 05:58:53,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313161120] [2024-11-17 05:58:53,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313161120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:58:53,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:58:53,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 05:58:53,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912004694] [2024-11-17 05:58:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:58:53,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 05:58:53,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 05:58:53,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 05:58:53,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 05:58:53,217 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-17 05:58:53,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:58:53,231 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-17 05:58:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 05:58:53,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2024-11-17 05:58:53,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:58:53,239 INFO L225 Difference]: With dead ends: 22 [2024-11-17 05:58:53,239 INFO L226 Difference]: Without dead ends: 11 [2024-11-17 05:58:53,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 05:58:53,247 INFO L432 NwaCegarLoop]: 22 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, 22 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 [2024-11-17 05:58:53,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:58:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-17 05:58:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-17 05:58:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2024-11-17 05:58:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-17 05:58:53,276 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-17 05:58:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:58:53,277 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-17 05:58:53,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-17 05:58:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-17 05:58:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 05:58:53,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:53,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:53,285 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-17 05:58:53,483 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 [2024-11-17 05:58:53,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:58:53,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:53,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-17 05:58:53,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:58:53,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883678165] [2024-11-17 05:58:53,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:53,486 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 [2024-11-17 05:58:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:58:53,504 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) [2024-11-17 05:58:53,506 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 [2024-11-17 05:58:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:53,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:58:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:53,637 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 05:58:53,638 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:58:53,640 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 05:58:53,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 05:58:53,648 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-17 05:58:53,843 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 [2024-11-17 05:58:53,847 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:58:53,869 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:58:53,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:58:53 BoogieIcfgContainer [2024-11-17 05:58:53,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:58:53,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:58:53,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:58:53,874 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:58:53,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:52" (3/4) ... [2024-11-17 05:58:53,877 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:58:53,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:58:53,880 INFO L158 Benchmark]: Toolchain (without parser) took 2649.26ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 24.7MB in the beginning and 29.2MB in the end (delta: -4.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,880 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 41.9MB. Free memory was 17.9MB in the beginning and 17.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:58:53,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.85ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 24.6MB in the beginning and 25.9MB in the end (delta: -1.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.86ms. Allocated memory is still 65.0MB. Free memory was 25.9MB in the beginning and 23.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,882 INFO L158 Benchmark]: Boogie Preprocessor took 73.66ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 23.0MB in the beginning and 51.4MB in the end (delta: -28.4MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,882 INFO L158 Benchmark]: IcfgBuilder took 423.69ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 37.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,882 INFO L158 Benchmark]: TraceAbstraction took 989.49ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 29.6MB in the end (delta: 7.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,883 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 79.7MB. Free memory was 29.6MB in the beginning and 29.2MB in the end (delta: 443.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:53,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 41.9MB. Free memory was 17.9MB in the beginning and 17.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.85ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 24.6MB in the beginning and 25.9MB in the end (delta: -1.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.86ms. Allocated memory is still 65.0MB. Free memory was 25.9MB in the beginning and 23.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.66ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 23.0MB in the beginning and 51.4MB in the end (delta: -28.4MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * IcfgBuilder took 423.69ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 37.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 989.49ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 29.6MB in the end (delta: 7.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 79.7MB. Free memory was 29.6MB in the beginning and 29.2MB in the end (delta: 443.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560. 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] [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] 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] [L1561] CALL CWE190_Integer_Overflow__int_fscanf_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fscanf_add_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] data + 1 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: 1568]: 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, 22 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, 22 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, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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 [2024-11-17 05:58:53,928 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample