./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/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/CWE191_Integer_Underflow__int_fscanf_predec_10_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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:52:05,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:52:05,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:52:05,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:52:05,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:52:05,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:52:05,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:52:05,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:52:05,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:52:05,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:52:05,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:52:05,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:52:05,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:52:05,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:52:05,712 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:52:05,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:52:05,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:52:05,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:52:05,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:52:05,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:52:05,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:52:05,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:52:05,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:52:05,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:52:05,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:52:05,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:52:05,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:52:05,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:52:05,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:52:05,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:52:05,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:52:05,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:52:05,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:52:05,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:52:05,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:52:05,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:52:05,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:52:05,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:52:05,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:52:05,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:52:05,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:52:05,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-10-13 15:52:05,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:52:06,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:52:06,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:52:06,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:52:06,017 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:52:06,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:07,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:52:07,940 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:52:07,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:07,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ce2ddab/a11c586046a14c25be834f2e999f25ae/FLAGecc0e15ea [2024-10-13 15:52:08,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ce2ddab/a11c586046a14c25be834f2e999f25ae [2024-10-13 15:52:08,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:52:08,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:52:08,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:52:08,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:52:08,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:52:08,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:08" (1/1) ... [2024-10-13 15:52:08,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eea4d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:08, skipping insertion in model container [2024-10-13 15:52:08,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:08" (1/1) ... [2024-10-13 15:52:08,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:52:09,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:52:09,012 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:52:09,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:52:09,279 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:52:09,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09 WrapperNode [2024-10-13 15:52:09,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:52:09,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:52:09,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:52:09,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:52:09,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,353 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-13 15:52:09,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:52:09,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:52:09,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:52:09,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:52:09,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,392 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:52:09,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:52:09,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:52:09,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:52:09,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:52:09,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (1/1) ... [2024-10-13 15:52:09,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:52:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:52:09,455 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) [2024-10-13 15:52:09,458 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 [2024-10-13 15:52:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:52:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:52:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:52:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:52:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:52:09,658 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:52:09,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:52:09,773 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-13 15:52:09,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:52:09,812 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:52:09,812 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:52:09,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:09 BoogieIcfgContainer [2024-10-13 15:52:09,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:52:09,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:52:09,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:52:09,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:52:09,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:52:08" (1/3) ... [2024-10-13 15:52:09,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0fb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:09, skipping insertion in model container [2024-10-13 15:52:09,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:09" (2/3) ... [2024-10-13 15:52:09,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0fb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:09, skipping insertion in model container [2024-10-13 15:52:09,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:09" (3/3) ... [2024-10-13 15:52:09,822 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:09,841 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:52:09,841 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:52:09,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:52:09,907 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;@6359c244, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:52:09,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:52:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:52:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 15:52:09,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:52:09,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:52:09,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:52:09,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:52:09,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-13 15:52:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:52:09,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126065544] [2024-10-13 15:52:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:52:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:52:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:52:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:52:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:52:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:52:10,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:52:10,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126065544] [2024-10-13 15:52:10,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126065544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:52:10,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:52:10,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:52:10,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237798362] [2024-10-13 15:52:10,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:52:10,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:52:10,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:52:10,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:52:10,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:52:10,301 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:52:10,342 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-10-13 15:52:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:52:10,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-13 15:52:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:52:10,352 INFO L225 Difference]: With dead ends: 30 [2024-10-13 15:52:10,352 INFO L226 Difference]: Without dead ends: 13 [2024-10-13 15:52:10,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:52:10,358 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:52:10,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:52:10,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-13 15:52:10,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-13 15:52:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-13 15:52:10,388 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2024-10-13 15:52:10,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:52:10,389 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-13 15:52:10,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-13 15:52:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 15:52:10,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:52:10,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:52:10,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:52:10,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:52:10,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:52:10,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2024-10-13 15:52:10,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:52:10,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885115161] [2024-10-13 15:52:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:52:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:52:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:52:10,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:52:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:52:10,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 15:52:10,462 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:52:10,465 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:52:10,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:52:10,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:52:10,474 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 15:52:10,494 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:52:10,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:52:10 BoogieIcfgContainer [2024-10-13 15:52:10,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:52:10,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:52:10,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:52:10,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:52:10,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:09" (3/4) ... [2024-10-13 15:52:10,504 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:52:10,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:52:10,506 INFO L158 Benchmark]: Toolchain (without parser) took 2378.55ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 86.8MB in the beginning and 89.4MB in the end (delta: -2.5MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,506 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:52:10,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1152.55ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 86.8MB in the beginning and 140.7MB in the end (delta: -53.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.00ms. Allocated memory is still 209.7MB. Free memory was 140.7MB in the beginning and 137.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,510 INFO L158 Benchmark]: Boogie Preprocessor took 58.62ms. Allocated memory is still 209.7MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,511 INFO L158 Benchmark]: RCFGBuilder took 398.77ms. Allocated memory is still 209.7MB. Free memory was 135.5MB in the beginning and 121.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,511 INFO L158 Benchmark]: TraceAbstraction took 683.77ms. Allocated memory is still 209.7MB. Free memory was 119.8MB in the beginning and 89.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 15:52:10,511 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 209.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:52:10,516 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 146.8MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1152.55ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 86.8MB in the beginning and 140.7MB in the end (delta: -53.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.00ms. Allocated memory is still 209.7MB. Free memory was 140.7MB in the beginning and 137.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.62ms. Allocated memory is still 209.7MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.77ms. Allocated memory is still 209.7MB. Free memory was 135.5MB in the beginning and 121.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 683.77ms. Allocated memory is still 209.7MB. Free memory was 119.8MB in the beginning and 89.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 209.7MB. Free memory is still 89.4MB. 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 15:52:10,548 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/CWE191_Integer_Underflow__int_fscanf_predec_10_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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:52:12,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:52:12,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:52:12,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:52:12,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:52:12,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:52:12,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:52:12,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:52:12,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:52:12,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:52:12,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:52:12,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:52:12,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:52:12,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:52:12,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:52:12,964 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:52:12,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:52:12,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:52:12,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:52:12,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:52:12,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:52:12,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:52:12,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:52:12,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:52:12,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:52:12,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:52:12,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:52:12,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:52:12,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:52:12,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:52:12,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:52:12,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:52:12,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:52:12,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:52:12,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:52:12,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:52:12,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:52:12,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:52:12,979 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:52:12,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:52:12,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:52:12,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:52:12,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:52:12,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:52:12,982 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:52:12,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-10-13 15:52:13,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:52:13,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:52:13,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:52:13,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:52:13,328 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:52:13,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:14,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:52:15,247 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:52:15,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:15,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03393e98/cf208d02edf64a50b007897e3675be37/FLAG48b17004e [2024-10-13 15:52:15,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03393e98/cf208d02edf64a50b007897e3675be37 [2024-10-13 15:52:15,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:52:15,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:52:15,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:52:15,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:52:15,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:52:15,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:15" (1/1) ... [2024-10-13 15:52:15,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495fd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:15, skipping insertion in model container [2024-10-13 15:52:15,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:15" (1/1) ... [2024-10-13 15:52:15,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:52:16,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:52:16,503 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:52:16,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:52:16,747 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:52:16,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16 WrapperNode [2024-10-13 15:52:16,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:52:16,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:52:16,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:52:16,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:52:16,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,821 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-10-13 15:52:16,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:52:16,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:52:16,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:52:16,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:52:16,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,849 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:52:16,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:52:16,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:52:16,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:52:16,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:52:16,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (1/1) ... [2024-10-13 15:52:16,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:52:16,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:52:16,903 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) [2024-10-13 15:52:16,905 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 [2024-10-13 15:52:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:52:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:52:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:52:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:52:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:52:17,105 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:52:17,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:52:17,259 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 15:52:17,259 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:52:17,302 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:52:17,302 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:52:17,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:17 BoogieIcfgContainer [2024-10-13 15:52:17,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:52:17,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:52:17,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:52:17,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:52:17,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:52:15" (1/3) ... [2024-10-13 15:52:17,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c43e4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:17, skipping insertion in model container [2024-10-13 15:52:17,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:16" (2/3) ... [2024-10-13 15:52:17,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c43e4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:17, skipping insertion in model container [2024-10-13 15:52:17,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:17" (3/3) ... [2024-10-13 15:52:17,315 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-10-13 15:52:17,333 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:52:17,333 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:52:17,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:52:17,408 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;@6b3e1a79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:52:17,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:52:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:52:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 15:52:17,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:52:17,421 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:52:17,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:52:17,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:52:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-13 15:52:17,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:52:17,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169271788] [2024-10-13 15:52:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:52:17,442 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 [2024-10-13 15:52:17,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:52:17,445 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) [2024-10-13 15:52:17,446 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 [2024-10-13 15:52:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:52:17,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:52:17,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:52:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:52:17,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:52:17,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:52:17,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169271788] [2024-10-13 15:52:17,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169271788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:52:17,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:52:17,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:52:17,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181683645] [2024-10-13 15:52:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:52:17,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:52:17,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:52:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:52:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:52:17,632 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:52:17,688 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-10-13 15:52:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:52:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-13 15:52:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:52:17,697 INFO L225 Difference]: With dead ends: 29 [2024-10-13 15:52:17,697 INFO L226 Difference]: Without dead ends: 11 [2024-10-13 15:52:17,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:52:17,705 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:52:17,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:52:17,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-10-13 15:52:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-13 15:52:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-13 15:52:17,750 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 10 [2024-10-13 15:52:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:52:17,750 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-13 15:52:17,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:52:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-13 15:52:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 15:52:17,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:52:17,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:52:17,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-13 15:52:17,955 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 [2024-10-13 15:52:17,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:52:17,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:52:17,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2024-10-13 15:52:17,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:52:17,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85351240] [2024-10-13 15:52:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:52:17,957 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 [2024-10-13 15:52:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:52:17,960 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) [2024-10-13 15:52:17,961 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 [2024-10-13 15:52:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:52:18,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:52:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:52:18,106 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 15:52:18,107 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:52:18,109 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:52:18,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:52:18,118 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 [2024-10-13 15:52:18,311 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 [2024-10-13 15:52:18,315 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 15:52:18,347 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:52:18,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:52:18 BoogieIcfgContainer [2024-10-13 15:52:18,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:52:18,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:52:18,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:52:18,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:52:18,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:17" (3/4) ... [2024-10-13 15:52:18,369 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:52:18,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:52:18,375 INFO L158 Benchmark]: Toolchain (without parser) took 2891.49ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 46.1MB in the beginning and 82.9MB in the end (delta: -36.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,376 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 50.3MB. Free memory was 25.3MB in the beginning and 25.2MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:52:18,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.56ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 47.9MB in the end (delta: -2.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.75ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,380 INFO L158 Benchmark]: Boogie Preprocessor took 42.45ms. Allocated memory is still 88.1MB. Free memory was 45.0MB in the beginning and 42.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,395 INFO L158 Benchmark]: RCFGBuilder took 435.89ms. Allocated memory is still 88.1MB. Free memory was 42.4MB in the beginning and 51.0MB in the end (delta: -8.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,396 INFO L158 Benchmark]: TraceAbstraction took 1054.73ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 82.9MB in the end (delta: -32.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-10-13 15:52:18,400 INFO L158 Benchmark]: Witness Printer took 13.66ms. Allocated memory is still 113.2MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:52:18,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 50.3MB. Free memory was 25.3MB in the beginning and 25.2MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.56ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 47.9MB in the end (delta: -2.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.75ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.45ms. Allocated memory is still 88.1MB. Free memory was 45.0MB in the beginning and 42.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.89ms. Allocated memory is still 88.1MB. Free memory was 42.4MB in the beginning and 51.0MB in the end (delta: -8.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1054.73ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 82.9MB in the end (delta: -32.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 13.66ms. Allocated memory is still 113.2MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 15:52:18,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample