./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_min_predec_15_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_min_predec_15_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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:01:04,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:01:04,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:01:04,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:01:04,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:01:04,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:01:04,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:01:04,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:01:04,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:01:04,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:01:04,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:01:04,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:01:04,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:01:04,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:01:04,627 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:01:04,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:01:04,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:01:04,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:01:04,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:01:04,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:01:04,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:01:04,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:01:04,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:01:04,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:01:04,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:01:04,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:01:04,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:01:04,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:01:04,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:01:04,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:01:04,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:01:04,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:04,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:01:04,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:01:04,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:01:04,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:01:04,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:01:04,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:01:04,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:01:04,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:01:04,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:01:04,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-10-13 16:01:04,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:01:04,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:01:04,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:01:04,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:01:04,924 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:01:04,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:06,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:01:06,654 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:01:06,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:06,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2752fb1ab/819e3ef9e4494c01a31caa4668ef3293/FLAG19789da60 [2024-10-13 16:01:06,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2752fb1ab/819e3ef9e4494c01a31caa4668ef3293 [2024-10-13 16:01:06,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:01:06,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:01:06,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:06,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:01:06,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:01:06,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:06" (1/1) ... [2024-10-13 16:01:06,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa84684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:06, skipping insertion in model container [2024-10-13 16:01:06,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:06" (1/1) ... [2024-10-13 16:01:06,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:01:07,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:07,623 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:01:07,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:07,816 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:01:07,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07 WrapperNode [2024-10-13 16:01:07,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:07,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:07,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:01:07,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:01:07,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,879 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-13 16:01:07,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:07,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:01:07,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:01:07,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:01:07,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,916 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:01:07,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:01:07,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:01:07,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:01:07,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:01:07,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (1/1) ... [2024-10-13 16:01:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:07,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:01:07,980 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 16:01:07,987 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 16:01:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:01:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:01:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:01:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:01:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:01:08,182 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:01:08,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:01:08,317 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-13 16:01:08,317 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:01:08,343 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:01:08,344 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:01:08,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:08 BoogieIcfgContainer [2024-10-13 16:01:08,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:01:08,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:01:08,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:01:08,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:01:08,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:01:06" (1/3) ... [2024-10-13 16:01:08,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7a31c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:08, skipping insertion in model container [2024-10-13 16:01:08,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:07" (2/3) ... [2024-10-13 16:01:08,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7a31c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:08, skipping insertion in model container [2024-10-13 16:01:08,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:08" (3/3) ... [2024-10-13 16:01:08,351 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:08,367 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:01:08,368 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:01:08,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:01:08,451 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;@77cff215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:01:08,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:01:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 16:01:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 16:01:08,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:01:08,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:01:08,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:01:08,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:01:08,497 INFO L85 PathProgramCache]: Analyzing trace with hash 640385774, now seen corresponding path program 1 times [2024-10-13 16:01:08,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:01:08,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682878535] [2024-10-13 16:01:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:01:08,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:01:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:08,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:01:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:08,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:01:08,661 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:01:08,661 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:01:08,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:01:08,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:01:08,666 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:01:08,684 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:01:08,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:01:08 BoogieIcfgContainer [2024-10-13 16:01:08,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:01:08,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:01:08,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:01:08,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:01:08,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:08" (3/4) ... [2024-10-13 16:01:08,689 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:01:08,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:01:08,691 INFO L158 Benchmark]: Toolchain (without parser) took 1808.46ms. Allocated memory is still 169.9MB. Free memory was 135.8MB in the beginning and 123.8MB in the end (delta: 12.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-10-13 16:01:08,691 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:08,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 933.88ms. Allocated memory is still 169.9MB. Free memory was 135.8MB in the beginning and 72.3MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-13 16:01:08,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 169.9MB. Free memory was 72.3MB in the beginning and 69.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:01:08,693 INFO L158 Benchmark]: Boogie Preprocessor took 64.01ms. Allocated memory is still 169.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:08,693 INFO L158 Benchmark]: RCFGBuilder took 399.50ms. Allocated memory is still 169.9MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:01:08,694 INFO L158 Benchmark]: TraceAbstraction took 339.93ms. Allocated memory is still 169.9MB. Free memory was 52.4MB in the beginning and 124.8MB in the end (delta: -72.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:08,694 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 123.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:08,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 933.88ms. Allocated memory is still 169.9MB. Free memory was 135.8MB in the beginning and 72.3MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 169.9MB. Free memory was 72.3MB in the beginning and 69.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.01ms. Allocated memory is still 169.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.50ms. Allocated memory is still 169.9MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 339.93ms. Allocated memory is still 169.9MB. Free memory was 52.4MB in the beginning and 124.8MB in the end (delta: -72.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 123.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) 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] [L1563] case 7: 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] [L1565] --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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 16:01:08,732 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_min_predec_15_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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:01:10,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:01:11,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:01:11,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:01:11,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:01:11,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:01:11,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:01:11,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:01:11,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:01:11,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:01:11,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:01:11,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:01:11,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:01:11,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:01:11,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:01:11,052 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:01:11,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:01:11,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:01:11,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:01:11,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:01:11,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:01:11,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:01:11,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:01:11,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:01:11,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:01:11,057 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:01:11,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:01:11,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:01:11,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:01:11,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:01:11,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:01:11,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:01:11,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:01:11,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:01:11,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:11,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:01:11,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:01:11,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:01:11,070 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:01:11,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:01:11,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:01:11,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:01:11,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:01:11,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:01:11,072 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:01:11,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-10-13 16:01:11,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:01:11,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:01:11,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:01:11,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:01:11,404 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:01:11,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:12,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:01:13,270 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:01:13,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:13,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78111e63b/5500f0c70b5f4b9aad78f3e6d5ed95ff/FLAG7b5294869 [2024-10-13 16:01:13,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78111e63b/5500f0c70b5f4b9aad78f3e6d5ed95ff [2024-10-13 16:01:13,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:01:13,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:01:13,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:13,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:01:13,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:01:13,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:13" (1/1) ... [2024-10-13 16:01:13,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd5f28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:13, skipping insertion in model container [2024-10-13 16:01:13,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:13" (1/1) ... [2024-10-13 16:01:13,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:01:14,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:14,379 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:01:14,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:14,611 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:01:14,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14 WrapperNode [2024-10-13 16:01:14,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:14,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:14,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:01:14,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:01:14,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,670 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-13 16:01:14,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:14,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:01:14,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:01:14,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:01:14,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,708 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:01:14,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:01:14,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:01:14,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:01:14,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:01:14,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (1/1) ... [2024-10-13 16:01:14,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:01:14,777 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 16:01:14,784 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 16:01:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:01:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:01:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:01:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:01:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:01:14,981 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:01:14,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:01:15,139 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-13 16:01:15,140 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:01:15,186 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:01:15,187 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:01:15,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:15 BoogieIcfgContainer [2024-10-13 16:01:15,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:01:15,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:01:15,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:01:15,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:01:15,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:01:13" (1/3) ... [2024-10-13 16:01:15,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8405e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:15, skipping insertion in model container [2024-10-13 16:01:15,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:14" (2/3) ... [2024-10-13 16:01:15,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8405e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:15, skipping insertion in model container [2024-10-13 16:01:15,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:15" (3/3) ... [2024-10-13 16:01:15,198 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-10-13 16:01:15,215 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:01:15,216 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:01:15,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:01:15,291 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;@2340e93d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:01:15,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:01:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 16:01:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 16:01:15,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:01:15,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:01:15,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:01:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:01:15,311 INFO L85 PathProgramCache]: Analyzing trace with hash 640385774, now seen corresponding path program 1 times [2024-10-13 16:01:15,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:01:15,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734692701] [2024-10-13 16:01:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:01:15,323 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 16:01:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:01:15,324 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 16:01:15,326 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 16:01:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:15,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:01:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:15,496 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 16:01:15,498 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:01:15,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:01:15,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:01:15,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-13 16:01:15,703 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 16:01:15,706 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:01:15,725 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:01:15,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:01:15 BoogieIcfgContainer [2024-10-13 16:01:15,728 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:01:15,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:01:15,729 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:01:15,729 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:01:15,730 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:15" (3/4) ... [2024-10-13 16:01:15,732 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:01:15,733 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:01:15,734 INFO L158 Benchmark]: Toolchain (without parser) took 2234.94ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 35.7MB in the beginning and 45.3MB in the end (delta: -9.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-10-13 16:01:15,735 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:15,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.26ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 31.5MB in the end (delta: 4.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-10-13 16:01:15,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory is still 73.4MB. Free memory was 31.1MB in the beginning and 28.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:01:15,738 INFO L158 Benchmark]: Boogie Preprocessor took 66.03ms. Allocated memory is still 73.4MB. Free memory was 28.1MB in the beginning and 44.6MB in the end (delta: -16.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:01:15,739 INFO L158 Benchmark]: RCFGBuilder took 450.99ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 27.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 16:01:15,740 INFO L158 Benchmark]: TraceAbstraction took 537.19ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.3MB in the beginning and 45.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:15,740 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:15,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.26ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 31.5MB in the end (delta: 4.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory is still 73.4MB. Free memory was 31.1MB in the beginning and 28.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.03ms. Allocated memory is still 73.4MB. Free memory was 28.1MB in the beginning and 44.6MB in the end (delta: -16.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.99ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 27.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 537.19ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.3MB in the beginning and 45.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) 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] [L1563] case 7: 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] [L1565] --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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 16:01:15,775 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