./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_12_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_12_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 7b2b0555e220ea8ee12fc94808ee4bb9164aece86daa8070ed5ba9376d8c6191 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:57:53,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:57:54,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 05:57:54,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:57:54,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:57:54,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:57:54,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:57:54,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:57:54,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:57:54,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:57:54,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:57:54,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:57:54,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:57:54,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:57:54,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:57:54,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:57:54,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:57:54,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:57:54,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:57:54,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:57:54,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:57:54,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:57:54,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:57:54,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:57:54,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:57:54,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:57:54,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:57:54,088 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:57:54,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:57:54,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:57:54,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:57:54,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:57:54,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:57:54,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:57:54,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:57:54,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:57:54,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:57:54,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:57:54,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:57:54,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:57:54,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:57:54,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b2b0555e220ea8ee12fc94808ee4bb9164aece86daa8070ed5ba9376d8c6191 [2024-11-17 05:57:54,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:57:54,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:57:54,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:57:54,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:57:54,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:57:54,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:57:55,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:57:56,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:57:56,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:57:56,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea56e6356/3caeceacb7b143e7811883dd4a6c1679/FLAGe4a0fa0d7 [2024-11-17 05:57:56,397 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea56e6356/3caeceacb7b143e7811883dd4a6c1679 [2024-11-17 05:57:56,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:57:56,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:57:56,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:57:56,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:57:56,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:57:56,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:57:56" (1/1) ... [2024-11-17 05:57:56,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a996c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:56, skipping insertion in model container [2024-11-17 05:57:56,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:57:56" (1/1) ... [2024-11-17 05:57:56,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:57:57,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:57:57,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:57:57,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:57:57,394 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:57:57,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57 WrapperNode [2024-11-17 05:57:57,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:57:57,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:57:57,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:57:57,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:57:57,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,446 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-17 05:57:57,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:57:57,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:57:57,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:57:57,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:57:57,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,471 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 05:57:57,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:57:57,487 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:57:57,487 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:57:57,487 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:57:57,488 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (1/1) ... [2024-11-17 05:57:57,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:57:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:57:57,523 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 05:57:57,525 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 05:57:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-17 05:57:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-17 05:57:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-17 05:57:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-17 05:57:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:57:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:57:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:57:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:57:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:57:57,670 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:57:57,672 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:57:57,700 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1520: havoc #t~nondet87; [2024-11-17 05:57:57,750 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-17 05:57:57,750 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:57:57,760 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:57:57,761 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:57:57,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:57:57 BoogieIcfgContainer [2024-11-17 05:57:57,761 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:57:57,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:57:57,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:57:57,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:57:57,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:57:56" (1/3) ... [2024-11-17 05:57:57,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a6247a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:57:57, skipping insertion in model container [2024-11-17 05:57:57,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:57" (2/3) ... [2024-11-17 05:57:57,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a6247a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:57:57, skipping insertion in model container [2024-11-17 05:57:57,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:57:57" (3/3) ... [2024-11-17 05:57:57,768 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:57:57,794 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:57:57,794 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 05:57:57,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:57:57,848 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;@3bf222e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:57:57,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 05:57:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 05:57:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 05:57:57,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:57:57,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:57:57,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 05:57:57,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:57:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 812207241, now seen corresponding path program 1 times [2024-11-17 05:57:57,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:57:57,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883913756] [2024-11-17 05:57:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:57:57,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:57:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:57:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:57:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:57:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 05:57:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:57:58,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:57:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:57:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 05:57:58,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:57:58,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883913756] [2024-11-17 05:57:58,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883913756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:57:58,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:57:58,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:57:58,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173482904] [2024-11-17 05:57:58,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:57:58,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:57:58,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:57:58,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:57:58,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:57:58,251 INFO L87 Difference]: Start difference. First operand has 43 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:57:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:57:58,295 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-17 05:57:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:57:58,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-17 05:57:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:57:58,302 INFO L225 Difference]: With dead ends: 43 [2024-11-17 05:57:58,302 INFO L226 Difference]: Without dead ends: 24 [2024-11-17 05:57:58,305 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 [2024-11-17 05:57:58,308 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:57:58,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:57:58,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-17 05:57:58,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-17 05:57:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-17 05:57:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-17 05:57:58,370 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 21 [2024-11-17 05:57:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:57:58,372 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-17 05:57:58,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:57:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-17 05:57:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 05:57:58,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:57:58,376 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:57:58,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:57:58,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 05:57:58,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:57:58,381 INFO L85 PathProgramCache]: Analyzing trace with hash -591379318, now seen corresponding path program 1 times [2024-11-17 05:57:58,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:57:58,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821800107] [2024-11-17 05:57:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:57:58,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:57:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:57:58,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:57:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:57:58,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 05:57:58,492 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:57:58,494 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 05:57:58,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 05:57:58,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 05:57:58,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 05:57:58,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 05:57:58,500 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:57:58,526 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:57:58,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:57:58 BoogieIcfgContainer [2024-11-17 05:57:58,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:57:58,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:57:58,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:57:58,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:57:58,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:57:57" (3/4) ... [2024-11-17 05:57:58,534 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:57:58,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:57:58,535 INFO L158 Benchmark]: Toolchain (without parser) took 2131.56ms. Allocated memory is still 178.3MB. Free memory was 104.1MB in the beginning and 131.2MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:57:58,536 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:57:58,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.12ms. Allocated memory is still 178.3MB. Free memory was 103.8MB in the beginning and 108.0MB in the end (delta: -4.2MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-11-17 05:57:58,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.54ms. Allocated memory is still 178.3MB. Free memory was 108.0MB in the beginning and 105.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:57:58,538 INFO L158 Benchmark]: Boogie Preprocessor took 39.29ms. Allocated memory is still 178.3MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:57:58,539 INFO L158 Benchmark]: IcfgBuilder took 274.23ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 89.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 05:57:58,539 INFO L158 Benchmark]: TraceAbstraction took 767.91ms. Allocated memory is still 178.3MB. Free memory was 89.0MB in the beginning and 132.2MB in the end (delta: -43.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:57:58,539 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 178.3MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:57:58,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.12ms. Allocated memory is still 178.3MB. Free memory was 103.8MB in the beginning and 108.0MB in the end (delta: -4.2MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.54ms. Allocated memory is still 178.3MB. Free memory was 108.0MB in the beginning and 105.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.29ms. Allocated memory is still 178.3MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 274.23ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 89.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 767.91ms. Allocated memory is still 178.3MB. Free memory was 89.0MB in the beginning and 132.2MB in the end (delta: -43.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 178.3MB. Free memory is still 131.2MB. 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: 1563]: 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 1583. 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] [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE190_Integer_Overflow__int_fscanf_add_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: 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 4 procedures, 43 locations, 4 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 38 mSDtfsCounter, 16 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=43occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 05:57:58,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_12_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 7b2b0555e220ea8ee12fc94808ee4bb9164aece86daa8070ed5ba9376d8c6191 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:58:00,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:58:00,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 05:58:00,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:58:00,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:58:00,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 05:58:00,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:58:00,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:58:00,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:58:00,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:58:00,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:58:00,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:58:00,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:58:00,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:58:00,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:58:00,675 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:58:00,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:58:00,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:58:00,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:58:00,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:58:00,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:58:00,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:58:00,681 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 05:58:00,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 05:58:00,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:58:00,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:58:00,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:58:00,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:58:00,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:58:00,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:00,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:58:00,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:58:00,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:58:00,685 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 05:58:00,686 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 05:58:00,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:58:00,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:58:00,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:58:00,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:58:00,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b2b0555e220ea8ee12fc94808ee4bb9164aece86daa8070ed5ba9376d8c6191 [2024-11-17 05:58:00,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:58:00,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:58:00,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:58:00,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:58:00,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:58:00,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:58:02,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:58:02,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:58:02,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:58:02,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c75ad718/d4b1dab3c429449ba52dae3e3c9d85fe/FLAG7a6d5719d [2024-11-17 05:58:02,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c75ad718/d4b1dab3c429449ba52dae3e3c9d85fe [2024-11-17 05:58:02,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:58:02,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:58:02,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:02,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:58:02,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:58:02,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:02" (1/1) ... [2024-11-17 05:58:02,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757e10bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:02, skipping insertion in model container [2024-11-17 05:58:02,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:02" (1/1) ... [2024-11-17 05:58:02,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:58:03,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:03,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:58:03,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:58:03,685 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:58:03,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03 WrapperNode [2024-11-17 05:58:03,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:58:03,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:03,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:58:03,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:58:03,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,747 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2024-11-17 05:58:03,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:58:03,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:58:03,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:58:03,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:58:03,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,777 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 05:58:03,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:58:03,803 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:58:03,803 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:58:03,803 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:58:03,804 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (1/1) ... [2024-11-17 05:58:03,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:58:03,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:58:03,834 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 05:58:03,837 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 05:58:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-17 05:58:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-17 05:58:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-17 05:58:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-17 05:58:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:58:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:58:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:58:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:58:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:58:04,034 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:58:04,036 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:58:04,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1520: havoc #t~nondet83; [2024-11-17 05:58:04,143 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-17 05:58:04,143 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:58:04,155 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:58:04,155 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:58:04,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:04 BoogieIcfgContainer [2024-11-17 05:58:04,155 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:58:04,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:58:04,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:58:04,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:58:04,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:58:02" (1/3) ... [2024-11-17 05:58:04,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2440bc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:04, skipping insertion in model container [2024-11-17 05:58:04,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:03" (2/3) ... [2024-11-17 05:58:04,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2440bc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:58:04, skipping insertion in model container [2024-11-17 05:58:04,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:04" (3/3) ... [2024-11-17 05:58:04,162 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_12_bad.i [2024-11-17 05:58:04,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:58:04,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 05:58:04,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:58:04,241 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;@70568be8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:58:04,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 05:58:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 05:58:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 05:58:04,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:04,251 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:04,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 05:58:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 732435974, now seen corresponding path program 1 times [2024-11-17 05:58:04,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:58:04,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258509625] [2024-11-17 05:58:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:04,266 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 05:58:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:58:04,270 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 05:58:04,282 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 05:58:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:58:04,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 05:58:04,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:58:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 05:58:04,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:58:04,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 05:58:04,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258509625] [2024-11-17 05:58:04,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258509625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:58:04,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:58:04,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 05:58:04,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124829389] [2024-11-17 05:58:04,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:58:04,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 05:58:04,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 05:58:04,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 05:58:04,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 05:58:04,396 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-17 05:58:04,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:58:04,408 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-17 05:58:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 05:58:04,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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 [2024-11-17 05:58:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:58:04,413 INFO L225 Difference]: With dead ends: 41 [2024-11-17 05:58:04,414 INFO L226 Difference]: Without dead ends: 22 [2024-11-17 05:58:04,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 05:58:04,418 INFO L432 NwaCegarLoop]: 46 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, 46 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 05:58:04,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:58:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-17 05:58:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-17 05:58:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2024-11-17 05:58:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-11-17 05:58:04,441 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 19 [2024-11-17 05:58:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:58:04,442 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-17 05:58:04,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-17 05:58:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-17 05:58:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 05:58:04,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:58:04,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:58:04,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 05:58:04,643 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 05:58:04,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 05:58:04,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:58:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1230678701, now seen corresponding path program 1 times [2024-11-17 05:58:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:58:04,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608770649] [2024-11-17 05:58:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:58:04,646 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 05:58:04,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:58:04,650 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 05:58:04,651 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 05:58:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:04,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:58:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:58:04,737 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 05:58:04,737 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:58:04,739 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 05:58:04,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 05:58:04,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 05:58:04,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 05:58:04,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 05:58:04,943 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 05:58:04,946 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:58:04,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:58:04,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:58:04 BoogieIcfgContainer [2024-11-17 05:58:04,964 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:58:04,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:58:04,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:58:04,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:58:04,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:58:04" (3/4) ... [2024-11-17 05:58:04,967 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:58:04,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:58:04,968 INFO L158 Benchmark]: Toolchain (without parser) took 2276.20ms. Allocated memory was 79.7MB in the beginning and 136.3MB in the end (delta: 56.6MB). Free memory was 40.8MB in the beginning and 67.2MB in the end (delta: -26.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,968 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 79.7MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:58:04,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.84ms. Allocated memory was 79.7MB in the beginning and 136.3MB in the end (delta: 56.6MB). Free memory was 40.6MB in the beginning and 77.0MB in the end (delta: -36.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.24ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 73.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,969 INFO L158 Benchmark]: Boogie Preprocessor took 50.50ms. Allocated memory is still 136.3MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,970 INFO L158 Benchmark]: IcfgBuilder took 352.76ms. Allocated memory is still 136.3MB. Free memory was 71.6MB in the beginning and 99.5MB in the end (delta: -27.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,970 INFO L158 Benchmark]: TraceAbstraction took 807.36ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 68.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 05:58:04,970 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 136.3MB. Free memory was 68.0MB in the beginning and 67.2MB in the end (delta: 865.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:58:04,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 79.7MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.84ms. Allocated memory was 79.7MB in the beginning and 136.3MB in the end (delta: 56.6MB). Free memory was 40.6MB in the beginning and 77.0MB in the end (delta: -36.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.24ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 73.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.50ms. Allocated memory is still 136.3MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 352.76ms. Allocated memory is still 136.3MB. Free memory was 71.6MB in the beginning and 99.5MB in the end (delta: -27.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 807.36ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 68.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 136.3MB. Free memory was 68.0MB in the beginning and 67.2MB in the end (delta: 865.5kB). 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: 1563]: 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 1583. 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] [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE190_Integer_Overflow__int_fscanf_add_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 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, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 05:58:04,993 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