./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_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 3b00addf4a4f81c1a39d2fbae6d24bab30942cb90949ce6b89238e634c57584d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:42:31,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:42:31,395 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 21:42:31,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:42:31,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:42:31,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:42:31,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:42:31,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:42:31,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:42:31,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:42:31,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:42:31,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:42:31,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:42:31,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:42:31,439 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:42:31,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:42:31,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:42:31,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 21:42:31,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:42:31,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:42:31,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:42:31,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:42:31,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:42:31,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:42:31,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:42:31,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:42:31,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:42:31,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:42:31,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:42:31,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:42:31,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:42:31,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:42:31,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:42:31,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:42:31,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:42:31,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 21:42:31,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 21:42:31,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:42:31,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:42:31,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:42:31,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:42:31,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b00addf4a4f81c1a39d2fbae6d24bab30942cb90949ce6b89238e634c57584d [2024-10-24 21:42:31,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:42:31,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:42:31,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:42:31,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:42:31,751 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:42:31,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:33,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:42:33,534 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:42:33,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:33,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b11d69a0/06c1fc3a5d894b8aaeb19e7ee1eb96fc/FLAG13a755eaf [2024-10-24 21:42:33,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b11d69a0/06c1fc3a5d894b8aaeb19e7ee1eb96fc [2024-10-24 21:42:33,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:42:33,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:42:33,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:42:33,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:42:33,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:42:33,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:42:33" (1/1) ... [2024-10-24 21:42:33,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e034936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:33, skipping insertion in model container [2024-10-24 21:42:33,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:42:33" (1/1) ... [2024-10-24 21:42:33,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:42:34,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:42:34,378 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:42:34,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:42:34,594 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:42:34,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34 WrapperNode [2024-10-24 21:42:34,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:42:34,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:42:34,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:42:34,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:42:34,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,651 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-10-24 21:42:34,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:42:34,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:42:34,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:42:34,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:42:34,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,673 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:42:34,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:42:34,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:42:34,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:42:34,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:42:34,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (1/1) ... [2024-10-24 21:42:34,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:42:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:42:34,716 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) [2024-10-24 21:42:34,721 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 [2024-10-24 21:42:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:42:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:42:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:42:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:42:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:42:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-24 21:42:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-24 21:42:34,884 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:42:34,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:42:34,979 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 21:42:34,980 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:42:35,013 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:42:35,014 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:42:35,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:35 BoogieIcfgContainer [2024-10-24 21:42:35,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:42:35,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:42:35,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:42:35,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:42:35,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:42:33" (1/3) ... [2024-10-24 21:42:35,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60932497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:42:35, skipping insertion in model container [2024-10-24 21:42:35,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:34" (2/3) ... [2024-10-24 21:42:35,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60932497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:42:35, skipping insertion in model container [2024-10-24 21:42:35,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:35" (3/3) ... [2024-10-24 21:42:35,022 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:35,039 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:42:35,039 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:42:35,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:42:35,116 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;@2fb11eee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:42:35,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:42:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 21:42:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 21:42:35,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:42:35,130 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:42:35,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:42:35,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:42:35,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2020065621, now seen corresponding path program 1 times [2024-10-24 21:42:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:42:35,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332350450] [2024-10-24 21:42:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:42:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:42:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:42:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 21:42:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:42:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 21:42:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:42:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 21:42:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:42:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 21:42:35,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 21:42:35,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332350450] [2024-10-24 21:42:35,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332350450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:42:35,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:42:35,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 21:42:35,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369103787] [2024-10-24 21:42:35,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:42:35,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:42:35,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 21:42:35,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:42:35,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:42:35,513 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 21:42:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:42:35,553 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2024-10-24 21:42:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:42:35,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2024-10-24 21:42:35,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:42:35,578 INFO L225 Difference]: With dead ends: 24 [2024-10-24 21:42:35,578 INFO L226 Difference]: Without dead ends: 19 [2024-10-24 21:42:35,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:42:35,588 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:42:35,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:42:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-24 21:42:35,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-24 21:42:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 21:42:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-24 21:42:35,653 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 19 [2024-10-24 21:42:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:42:35,655 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-24 21:42:35,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 21:42:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-10-24 21:42:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 21:42:35,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:42:35,660 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:42:35,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 21:42:35,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:42:35,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:42:35,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1802475251, now seen corresponding path program 1 times [2024-10-24 21:42:35,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:42:35,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25128395] [2024-10-24 21:42:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:42:35,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:42:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:42:35,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:42:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:42:35,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 21:42:35,745 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:42:35,746 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:42:35,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:42:35,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 21:42:35,751 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 21:42:35,777 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:42:35,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:42:35 BoogieIcfgContainer [2024-10-24 21:42:35,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:42:35,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:42:35,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:42:35,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:42:35,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:35" (3/4) ... [2024-10-24 21:42:35,783 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:42:35,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:42:35,785 INFO L158 Benchmark]: Toolchain (without parser) took 2203.16ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 83.0MB in the beginning and 162.5MB in the end (delta: -79.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:35,785 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:35,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.70ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 82.8MB in the beginning and 139.9MB in the end (delta: -57.1MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-10-24 21:42:35,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.57ms. Allocated memory is still 209.7MB. Free memory was 139.9MB in the beginning and 136.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 21:42:35,786 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 209.7MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:35,787 INFO L158 Benchmark]: RCFGBuilder took 329.49ms. Allocated memory is still 209.7MB. Free memory was 134.6MB in the beginning and 121.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 21:42:35,787 INFO L158 Benchmark]: TraceAbstraction took 764.29ms. Allocated memory is still 209.7MB. Free memory was 120.0MB in the beginning and 162.5MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:35,787 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 209.7MB. Free memory is still 162.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:35,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.70ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 82.8MB in the beginning and 139.9MB in the end (delta: -57.1MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.57ms. Allocated memory is still 209.7MB. Free memory was 139.9MB in the beginning and 136.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 209.7MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.49ms. Allocated memory is still 209.7MB. Free memory was 134.6MB in the beginning and 121.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 764.29ms. Allocated memory is still 209.7MB. Free memory was 120.0MB in the beginning and 162.5MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 209.7MB. Free memory is still 162.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fscanf_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2024-10-24 21:42:35,823 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_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 3b00addf4a4f81c1a39d2fbae6d24bab30942cb90949ce6b89238e634c57584d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:42:38,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:42:38,141 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 21:42:38,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:42:38,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:42:38,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 21:42:38,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:42:38,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:42:38,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:42:38,182 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:42:38,182 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:42:38,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:42:38,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:42:38,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:42:38,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:42:38,186 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:42:38,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:42:38,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:42:38,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:42:38,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:42:38,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:42:38,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:42:38,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 21:42:38,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 21:42:38,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:42:38,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:42:38,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 21:42:38,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:42:38,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:42:38,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:42:38,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:42:38,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:42:38,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:42:38,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:42:38,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:42:38,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:42:38,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:42:38,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:42:38,206 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 21:42:38,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 21:42:38,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:42:38,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:42:38,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:42:38,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:42:38,208 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 21:42:38,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b00addf4a4f81c1a39d2fbae6d24bab30942cb90949ce6b89238e634c57584d [2024-10-24 21:42:38,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:42:38,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:42:38,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:42:38,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:42:38,551 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:42:38,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:40,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:42:40,579 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:42:40,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:40,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84874623/7a89046ba02a4adfb0a857c9c7866be7/FLAG702094139 [2024-10-24 21:42:40,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84874623/7a89046ba02a4adfb0a857c9c7866be7 [2024-10-24 21:42:40,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:42:40,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:42:40,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:42:40,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:42:40,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:42:40,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:42:40" (1/1) ... [2024-10-24 21:42:40,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@953eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:40, skipping insertion in model container [2024-10-24 21:42:40,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:42:40" (1/1) ... [2024-10-24 21:42:40,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:42:41,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:42:41,355 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:42:41,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:42:41,594 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:42:41,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41 WrapperNode [2024-10-24 21:42:41,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:42:41,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:42:41,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:42:41,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:42:41,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,660 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-10-24 21:42:41,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:42:41,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:42:41,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:42:41,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:42:41,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,703 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:42:41,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:42:41,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:42:41,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:42:41,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:42:41,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (1/1) ... [2024-10-24 21:42:41,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:42:41,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:42:41,754 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) [2024-10-24 21:42:41,758 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 [2024-10-24 21:42:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:42:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:42:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:42:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:42:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:42:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-24 21:42:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-24 21:42:41,958 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:42:41,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:42:42,094 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 21:42:42,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:42:42,134 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:42:42,136 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:42:42,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:42 BoogieIcfgContainer [2024-10-24 21:42:42,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:42:42,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:42:42,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:42:42,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:42:42,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:42:40" (1/3) ... [2024-10-24 21:42:42,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672d651a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:42:42, skipping insertion in model container [2024-10-24 21:42:42,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:42:41" (2/3) ... [2024-10-24 21:42:42,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672d651a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:42:42, skipping insertion in model container [2024-10-24 21:42:42,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:42" (3/3) ... [2024-10-24 21:42:42,146 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_08_bad.i [2024-10-24 21:42:42,162 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:42:42,162 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:42:42,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:42:42,239 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;@71328b08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:42:42,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:42:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 21:42:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 21:42:42,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:42:42,251 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:42:42,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:42:42,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:42:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1263099548, now seen corresponding path program 1 times [2024-10-24 21:42:42,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:42:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495451360] [2024-10-24 21:42:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:42:42,279 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 [2024-10-24 21:42:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:42:42,282 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) [2024-10-24 21:42:42,284 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 [2024-10-24 21:42:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:42:42,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 21:42:42,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:42:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 21:42:42,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:42:42,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:42:42,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495451360] [2024-10-24 21:42:42,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495451360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:42:42,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:42:42,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 21:42:42,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191211642] [2024-10-24 21:42:42,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:42:42,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:42:42,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:42:42,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:42:42,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:42:42,481 INFO L87 Difference]: Start difference. First operand has 22 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 21:42:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:42:42,523 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-10-24 21:42:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:42:42,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2024-10-24 21:42:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:42:42,533 INFO L225 Difference]: With dead ends: 22 [2024-10-24 21:42:42,533 INFO L226 Difference]: Without dead ends: 17 [2024-10-24 21:42:42,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:42:42,541 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:42:42,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:42:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-24 21:42:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-24 21:42:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 21:42:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-10-24 21:42:42,573 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 17 [2024-10-24 21:42:42,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:42:42,575 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-10-24 21:42:42,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 21:42:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-10-24 21:42:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 21:42:42,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:42:42,576 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:42:42,581 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 [2024-10-24 21:42:42,780 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 [2024-10-24 21:42:42,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:42:42,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:42:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 501380384, now seen corresponding path program 1 times [2024-10-24 21:42:42,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:42:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001579515] [2024-10-24 21:42:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:42:42,782 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 [2024-10-24 21:42:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:42:42,902 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) [2024-10-24 21:42:42,903 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 [2024-10-24 21:42:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:42:42,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:42:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:42:43,006 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 21:42:43,006 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:42:43,008 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:42:43,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:42:43,014 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 [2024-10-24 21:42:43,210 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 [2024-10-24 21:42:43,213 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 21:42:43,238 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:42:43,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:42:43 BoogieIcfgContainer [2024-10-24 21:42:43,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:42:43,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:42:43,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:42:43,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:42:43,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:42:42" (3/4) ... [2024-10-24 21:42:43,245 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:42:43,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:42:43,246 INFO L158 Benchmark]: Toolchain (without parser) took 2615.35ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 34.2MB in the beginning and 36.4MB in the end (delta: -2.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,247 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 25.4MB in the beginning and 25.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:43,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.35ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 34.0MB in the beginning and 33.6MB in the end (delta: 324.1kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.86ms. Allocated memory is still 75.5MB. Free memory was 33.3MB in the beginning and 30.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,248 INFO L158 Benchmark]: Boogie Preprocessor took 57.29ms. Allocated memory is still 75.5MB. Free memory was 30.5MB in the beginning and 46.9MB in the end (delta: -16.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,255 INFO L158 Benchmark]: RCFGBuilder took 417.59ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 31.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,256 INFO L158 Benchmark]: TraceAbstraction took 1102.72ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.9MB in the beginning and 36.4MB in the end (delta: -5.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-10-24 21:42:43,258 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 92.3MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:42:43,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 25.4MB in the beginning and 25.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.35ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 34.0MB in the beginning and 33.6MB in the end (delta: 324.1kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.86ms. Allocated memory is still 75.5MB. Free memory was 33.3MB in the beginning and 30.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.29ms. Allocated memory is still 75.5MB. Free memory was 30.5MB in the beginning and 46.9MB in the end (delta: -16.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.59ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 31.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.72ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.9MB in the beginning and 36.4MB in the end (delta: -5.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 92.3MB. Free memory is still 36.4MB. 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fscanf_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 15 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, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2024-10-24 21:42:43,296 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