./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:22:05,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:22:05,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:22:05,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:22:05,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:22:05,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:22:05,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:22:05,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:22:05,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:22:05,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:22:05,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:22:05,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:22:05,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:22:05,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:22:05,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:22:05,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:22:05,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:22:05,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:22:05,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:22:05,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:22:05,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:22:05,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:22:05,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:22:05,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:22:05,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:22:05,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:22:05,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:22:05,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:22:05,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:22:05,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:22:05,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:22:05,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:22:05,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:22:05,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:22:05,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:22:05,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:22:05,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:22:05,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:22:05,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:22:05,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:22:05,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:22:05,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2024-11-19 13:22:05,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:22:05,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:22:05,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:22:05,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:22:05,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:22:05,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:07,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:22:07,512 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:22:07,513 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:07,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d97b4f1/00e1aec7398c43cea013c2a372132d67/FLAG6f40141b6 [2024-11-19 13:22:07,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d97b4f1/00e1aec7398c43cea013c2a372132d67 [2024-11-19 13:22:07,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:22:07,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:22:07,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:22:07,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:22:07,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:22:07,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:07" (1/1) ... [2024-11-19 13:22:07,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc7dca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:07, skipping insertion in model container [2024-11-19 13:22:07,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:07" (1/1) ... [2024-11-19 13:22:07,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:22:08,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:22:08,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:22:09,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:22:09,208 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:22:09,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09 WrapperNode [2024-11-19 13:22:09,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:22:09,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:22:09,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:22:09,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:22:09,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,288 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-19 13:22:09,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:22:09,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:22:09,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:22:09,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:22:09,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,323 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:22:09,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:22:09,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:22:09,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:22:09,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:22:09,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (1/1) ... [2024-11-19 13:22:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:22:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:22:09,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:22:09,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:22:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-19 13:22:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-19 13:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:22:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:22:09,564 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:22:09,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:22:09,800 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-19 13:22:09,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:22:09,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:22:09,816 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:22:09,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:09 BoogieIcfgContainer [2024-11-19 13:22:09,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:22:09,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:22:09,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:22:09,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:22:09,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:22:07" (1/3) ... [2024-11-19 13:22:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8fc87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:22:09, skipping insertion in model container [2024-11-19 13:22:09,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:09" (2/3) ... [2024-11-19 13:22:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8fc87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:22:09, skipping insertion in model container [2024-11-19 13:22:09,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:09" (3/3) ... [2024-11-19 13:22:09,829 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:09,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:22:09,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:22:09,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:22:09,923 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;@7e3538a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:22:09,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:22:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:22:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 13:22:09,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:09,939 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:09,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:09,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:09,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1648115636, now seen corresponding path program 1 times [2024-11-19 13:22:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:22:09,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909465509] [2024-11-19 13:22:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:22:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:22:10,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:22:10,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909465509] [2024-11-19 13:22:10,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909465509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:22:10,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268919444] [2024-11-19 13:22:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:10,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:22:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:22:10,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:22:10,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:22:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:10,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 13:22:10,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:22:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 13:22:10,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:22:10,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268919444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:22:10,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:22:10,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-19 13:22:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668082518] [2024-11-19 13:22:10,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:22:10,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:22:10,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:22:10,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:22:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:22:10,460 INFO L87 Difference]: Start difference. First operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:10,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:22:10,490 INFO L93 Difference]: Finished difference Result 57 states and 77 transitions. [2024-11-19 13:22:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:22:10,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-19 13:22:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:22:10,500 INFO L225 Difference]: With dead ends: 57 [2024-11-19 13:22:10,500 INFO L226 Difference]: Without dead ends: 48 [2024-11-19 13:22:10,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:22:10,506 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 37 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:22:10,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 86 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:22:10,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-19 13:22:10,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-11-19 13:22:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:22:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2024-11-19 13:22:10,545 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 21 [2024-11-19 13:22:10,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:22:10,547 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2024-11-19 13:22:10,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-19 13:22:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 13:22:10,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:10,551 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:10,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:22:10,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 13:22:10,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:10,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:10,753 INFO L85 PathProgramCache]: Analyzing trace with hash -448022698, now seen corresponding path program 1 times [2024-11-19 13:22:10,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:22:10,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752948326] [2024-11-19 13:22:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:22:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:22:10,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:22:10,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752948326] [2024-11-19 13:22:10,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752948326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:22:10,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195066787] [2024-11-19 13:22:10,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:10,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:22:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:22:10,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:22:10,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:22:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:11,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 13:22:11,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:22:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 13:22:11,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:22:11,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195066787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:22:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:22:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-19 13:22:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589433761] [2024-11-19 13:22:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:22:11,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:22:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:22:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:22:11,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:22:11,070 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:11,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:22:11,089 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2024-11-19 13:22:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:22:11,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-19 13:22:11,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:22:11,091 INFO L225 Difference]: With dead ends: 49 [2024-11-19 13:22:11,091 INFO L226 Difference]: Without dead ends: 43 [2024-11-19 13:22:11,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:22:11,094 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:22:11,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:22:11,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-19 13:22:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-19 13:22:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:22:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2024-11-19 13:22:11,107 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 22 [2024-11-19 13:22:11,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:22:11,108 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-11-19 13:22:11,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-19 13:22:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 13:22:11,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:11,125 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:11,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:22:11,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 13:22:11,327 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:11,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:11,328 INFO L85 PathProgramCache]: Analyzing trace with hash 10447351, now seen corresponding path program 1 times [2024-11-19 13:22:11,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:22:11,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002324618] [2024-11-19 13:22:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:22:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 13:22:11,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:22:11,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002324618] [2024-11-19 13:22:11,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002324618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:22:11,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:22:11,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:22:11,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351267917] [2024-11-19 13:22:11,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:22:11,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:22:11,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:22:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:22:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:22:11,673 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:22:11,778 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2024-11-19 13:22:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:22:11,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-19 13:22:11,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:22:11,780 INFO L225 Difference]: With dead ends: 51 [2024-11-19 13:22:11,781 INFO L226 Difference]: Without dead ends: 50 [2024-11-19 13:22:11,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:22:11,782 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 41 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:22:11,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:22:11,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-19 13:22:11,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-19 13:22:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:22:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2024-11-19 13:22:11,797 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 27 [2024-11-19 13:22:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:22:11,798 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2024-11-19 13:22:11,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-19 13:22:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 13:22:11,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:11,799 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:11,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:22:11,800 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:11,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash -344802659, now seen corresponding path program 1 times [2024-11-19 13:22:11,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:22:11,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425838154] [2024-11-19 13:22:11,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:22:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:22:11,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:22:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:22:11,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:22:11,856 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:22:11,857 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:22:11,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:22:11,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:22:11,861 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 13:22:11,881 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:22:11,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:22:11 BoogieIcfgContainer [2024-11-19 13:22:11,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:22:11,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:22:11,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:22:11,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:22:11,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:09" (3/4) ... [2024-11-19 13:22:11,889 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:22:11,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:22:11,891 INFO L158 Benchmark]: Toolchain (without parser) took 4148.87ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 119.6MB in the beginning and 187.9MB in the end (delta: -68.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,891 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:22:11,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.81ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 131.1MB in the end (delta: -11.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.67ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 127.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,892 INFO L158 Benchmark]: Boogie Preprocessor took 47.88ms. Allocated memory is still 178.3MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,893 INFO L158 Benchmark]: RCFGBuilder took 479.90ms. Allocated memory is still 178.3MB. Free memory was 125.7MB in the beginning and 108.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,893 INFO L158 Benchmark]: TraceAbstraction took 2064.35ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 107.6MB in the beginning and 187.9MB in the end (delta: -80.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-19 13:22:11,893 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 264.2MB. Free memory is still 187.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:22:11,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.81ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 131.1MB in the end (delta: -11.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.67ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 127.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.88ms. Allocated memory is still 178.3MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.90ms. Allocated memory is still 178.3MB. Free memory was 125.7MB in the beginning and 108.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2064.35ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 107.6MB in the beginning and 187.9MB in the end (delta: -80.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 264.2MB. Free memory is still 187.9MB. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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_rand_predec_11_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] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() 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 globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) 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] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [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 3 procedures, 50 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 177 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:22:11,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:22:14,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:22:14,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:22:14,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:22:14,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:22:14,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:22:14,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:22:14,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:22:14,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:22:14,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:22:14,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:22:14,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:22:14,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:22:14,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:22:14,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:22:14,543 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:22:14,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:22:14,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:22:14,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:22:14,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:22:14,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:22:14,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:22:14,549 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:22:14,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:22:14,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:22:14,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:22:14,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:22:14,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:22:14,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:22:14,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:22:14,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:22:14,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:22:14,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:22:14,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:22:14,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:22:14,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:22:14,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:22:14,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:22:14,556 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:22:14,556 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:22:14,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:22:14,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:22:14,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:22:14,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:22:14,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2024-11-19 13:22:14,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:22:14,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:22:14,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:22:14,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:22:14,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:22:14,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:16,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:22:16,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:22:16,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:16,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e509c193d/9f06c03a80364b10b245cc0419aa8543/FLAG958f7cc85 [2024-11-19 13:22:17,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e509c193d/9f06c03a80364b10b245cc0419aa8543 [2024-11-19 13:22:17,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:22:17,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:22:17,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:22:17,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:22:17,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:22:17,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:17" (1/1) ... [2024-11-19 13:22:17,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141bc52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:17, skipping insertion in model container [2024-11-19 13:22:17,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:17" (1/1) ... [2024-11-19 13:22:17,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:22:18,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:22:18,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:22:18,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:22:18,237 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:22:18,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18 WrapperNode [2024-11-19 13:22:18,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:22:18,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:22:18,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:22:18,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:22:18,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,295 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-19 13:22:18,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:22:18,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:22:18,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:22:18,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:22:18,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,321 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:22:18,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:22:18,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:22:18,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:22:18,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:22:18,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (1/1) ... [2024-11-19 13:22:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:22:18,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:22:18,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:22:18,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:22:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:22:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:22:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-19 13:22:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-19 13:22:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:22:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:22:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:22:18,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:22:18,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:22:18,801 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-19 13:22:18,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:22:18,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:22:18,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:22:18,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:18 BoogieIcfgContainer [2024-11-19 13:22:18,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:22:18,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:22:18,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:22:18,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:22:18,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:22:17" (1/3) ... [2024-11-19 13:22:18,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6008e456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:22:18, skipping insertion in model container [2024-11-19 13:22:18,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:18" (2/3) ... [2024-11-19 13:22:18,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6008e456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:22:18, skipping insertion in model container [2024-11-19 13:22:18,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:18" (3/3) ... [2024-11-19 13:22:18,829 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2024-11-19 13:22:18,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:22:18,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:22:18,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:22:18,925 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;@1911368c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:22:18,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:22:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 13:22:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 13:22:18,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:18,939 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:18,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:18,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2024-11-19 13:22:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:22:18,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905747084] [2024-11-19 13:22:18,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:18,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:22:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:22:18,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:22:18,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:22:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:22:19,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 13:22:19,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:22:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:22:19,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:22:19,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 13:22:19,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905747084] [2024-11-19 13:22:19,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905747084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:22:19,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:22:19,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:22:19,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4288443] [2024-11-19 13:22:19,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:22:19,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:22:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 13:22:19,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:22:19,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:22:19,198 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:19,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:22:19,226 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-11-19 13:22:19,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:22:19,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-11-19 13:22:19,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:22:19,237 INFO L225 Difference]: With dead ends: 47 [2024-11-19 13:22:19,237 INFO L226 Difference]: Without dead ends: 19 [2024-11-19 13:22:19,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:22:19,246 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:22:19,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:22:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-19 13:22:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-19 13:22:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 13:22:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-19 13:22:19,283 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 19 [2024-11-19 13:22:19,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:22:19,284 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-19 13:22:19,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 13:22:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-19 13:22:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 13:22:19,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:22:19,286 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:22:19,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:22:19,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:22:19,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:22:19,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:22:19,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2082070403, now seen corresponding path program 1 times [2024-11-19 13:22:19,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:22:19,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67252245] [2024-11-19 13:22:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:22:19,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:22:19,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:22:19,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:22:19,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-19 13:22:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:22:19,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:22:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:22:19,636 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:22:19,637 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:22:19,638 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:22:19,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:22:19,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 13:22:19,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:22:19,848 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 13:22:19,923 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:22:19,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:22:19 BoogieIcfgContainer [2024-11-19 13:22:19,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:22:19,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:22:19,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:22:19,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:22:19,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:22:18" (3/4) ... [2024-11-19 13:22:19,938 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:22:19,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:22:19,944 INFO L158 Benchmark]: Toolchain (without parser) took 2816.50ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 30.7MB in the beginning and 60.8MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:22:19,947 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 41.9MB. Free memory was 17.5MB in the beginning and 17.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:22:19,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1108.47ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 42.0MB in the end (delta: -11.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:19,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.85ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 38.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:19,949 INFO L158 Benchmark]: Boogie Preprocessor took 48.17ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:19,949 INFO L158 Benchmark]: RCFGBuilder took 473.12ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 41.0MB in the end (delta: -4.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-19 13:22:19,949 INFO L158 Benchmark]: TraceAbstraction took 1114.36ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 61.3MB in the end (delta: -21.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-19 13:22:19,950 INFO L158 Benchmark]: Witness Printer took 8.63ms. Allocated memory is still 92.3MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:22:19,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 41.9MB. Free memory was 17.5MB in the beginning and 17.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1108.47ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 42.0MB in the end (delta: -11.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.85ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 38.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.17ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.12ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 41.0MB in the end (delta: -4.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1114.36ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 61.3MB in the end (delta: -21.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 8.63ms. Allocated memory is still 92.3MB. Free memory is still 60.8MB. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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_rand_predec_11_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] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() 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 globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:22:19,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample